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Contents
- The climate of Milwaukee
- The best time to visit Milwaukee
- The worst time to visit Milwaukee
- Spring weather in Milwaukee
- Summer weather in Milwaukee
- Autumn weather in Milwaukee
- Winter weather in Milwaukee
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The modern Milwaukee City and Lake Michigan in Wisconsin, USA
The climate of Milwaukee
Milwaukee, Wisconsin, USA lies in the humid continental climate zone, which is recognized by the Köppen climate classification as Dfb. This classification signifies no dry season, and warm summers. Being on the shores of Lake Michigan results in certain geographical implications to the weather conditions in Milwaukee.
Throughout the year, Milwaukee experiences a wide range of temperatures, with the annual average high ranging from 26.1°F (-3.3°C) in January to 77.7°F (25.4°C) in July, and average low temperatures spanning from 15.8°F (-9°C) in January to 64°F (17.8°C) in July. Humidity remains relatively stable, shifting from lows of 75% in October to highs of 85% in January.
A predominant feature of Milwaukee's climate is rainfall, which is evenly distributed throughout the year with an average of around 0.5" (13mm) per month. However, the volume of rain increases marginally in the summer months, peaking at 0.75" (19mm) in July. Snowfall is a significant factor in winter, with up to 1.1" (28mm) falling in January.
Another distinguishing aspect of the climate is the high level of cloud cover, with percentages fluctuating between 28% in July and 63% in January and December, resulting in an overall reduction in sunshine hours.
Throughout the year, Milwaukee experiences a wide range of temperatures, with the annual average high ranging from 26.1°F (-3.3°C) in January to 77.7°F (25.4°C) in July, and average low temperatures spanning from 15.8°F (-9°C) in January to 64°F (17.8°C) in July. Humidity remains relatively stable, shifting from lows of 75% in October to highs of 85% in January.
A predominant feature of Milwaukee's climate is rainfall, which is evenly distributed throughout the year with an average of around 0.5" (13mm) per month. However, the volume of rain increases marginally in the summer months, peaking at 0.75" (19mm) in July. Snowfall is a significant factor in winter, with up to 1.1" (28mm) falling in January.
Another distinguishing aspect of the climate is the high level of cloud cover, with percentages fluctuating between 28% in July and 63% in January and December, resulting in an overall reduction in sunshine hours.
The best time to visit Milwaukee
The ideal time to visit Milwaukee for outdoor activities and sightseeing is between June and September. During these months, Milwaukee experiences its highest temperatures, ranging from 61.7°F (16.5°C) to 77.7°F (25.4°C). Coupled with moderate humidity levels between 78% and 80%, these conditions create a comfortable atmosphere for exploration.
Also noteworthy is the increase in daylight hours, reaching a peak of 15.3 hours in June, as well as the considerable enhancement in sunshine hours, ranging from 8.5 hours in May to 10.4 hours in July and August. This period also possesses the least cloud cover, making it an excellent time for sun seekers.
Also noteworthy is the increase in daylight hours, reaching a peak of 15.3 hours in June, as well as the considerable enhancement in sunshine hours, ranging from 8.5 hours in May to 10.4 hours in July and August. This period also possesses the least cloud cover, making it an excellent time for sun seekers.
The worst time to visit Milwaukee
The time span from December to February is arguably the least desirable time to visit Milwaukee. With average temperatures plummeting to ranges between 15.8°F (-9°C) and 28.8°F (-1.8°C) and snowfall registering at a remarkable 1.1" (28mm) in January, it is undoubtedly cold. The shorter daylight hours, from 9.1 hours in December to 10.6 hours in February, and reduced sunshine hours from 3.9 hours in December to 3.8 hours in February further endorse the unsuitability of this period for touring.
Spring weather in Milwaukee
Spring in Milwaukee, which transpires from March to May, begins with moderate temperatures, as the average highs shift from 40.3°F (4.6°C) in March to 61.7°F (16.5°C) in May. Rainfall levels rise steadily from 0.31" (8mm) in March to 0.71" (18mm) in May, indicating the likelihood of showers. The hours of daylight expand, commencing with 12 hours in March, and extending up to 14.7 hours in May, signifying longer days as the summer season approaches.
Summer weather in Milwaukee
Summer in Milwaukee, from June to August, serves as the warmest season, with average high temperatures oscillating from 71.2°F (21.8°C) in June to 77°F (25°C) in August. Rainfall achieves its peak at 0.75" (19mm) in July, emphasising the lush surroundings. The maximum daylight hours are 15.3 in June, complemented by an increase in sunshine hours, reaching up to 10.4 hours in July and August.
Autumn weather in Milwaukee
Autumn extends from September to November in Milwaukee. During this period, the average temperature high undergoes a significant decrease from 70.5°F (21.4°C) in September to 43.7°F (6.5°C) in November, presaging the arrival of winter. Rainfall is relatively constant, with levels ranging from 0.35" (9mm) to 0.63" (16mm). Daylight hours begin to shorten, dropping from 12.5 hours in September to 9.7 hours in November, an indication of the forthcoming winter period.
Winter weather in Milwaukee
Winter in Milwaukee, spanning December to February, is marked by a drop in temperature with the high ranging from 26.1°F (-3.3°C) to 32.2°F (0.1°C) and lows from 15.8°F (-9°C) to 23.9°F (-4.5°C). December and January witness the highest level of snowfall, averaging near 1 inch. The shortest daylight time occurs in December with 9.1 hours, however, it gradually increases to 10.6 hours in February. Consequently, Milwaukee's winter is typified by cold temperatures, snowfall and diminished daylight hours.
Weather in January
The year begins in Milwaukee, Wisconsin, with a distinct chill in the air. January is the coldest month, and also brings the highest chance of snow, with an average of 1.1" (28mm) of snowfall. The daylight hours are the fewest, leading to long, brisk nights. Weather in January »
Weather in February
February in Milwaukee brings forth subtle fluctuations from January. The temperatures notoriously undergo a small increase, though it remains firmly in the wintry realm. February shares the shortest sunlight hours with January, thus keeping the wintry ambiance intact. Weather in February »
Weather in March
With the arrival of March, Milwaukee transitions from winter to the welcoming arms of spring. A definite surge in temperatures from February indicates the shaking off of the winter coat. Prolonged daylight hours signpost the season's shift, encouraging longer daytime activities. Weather in March »
Weather in April
By the time April strides in, the grip of winter in Milwaukee is but a distant memory. Spring is in full bloom, bringing with it ample sunshine hours and a sharp reduction in snowfall. The increase in sea temperature from March to April by 2°F (-16.7°C) signals the evolving weather patterns. Weather in April »
Weather in May
The month of May implies a definitive plunge into warmer weather for Milwaukee. The vestiges of winter's chill are replaced with noticeably warmer temperatures and increasingly longer days. The substantial increase in sea temperatures ushers in the inhabitants of the sea world. Weather in May »
Weather in June
In June, summer season makes its grand arrival in Milwaukee. Sunshine hours peak at this time, providing ample opportunity for outdoor activities and events. The most pronounced uptick is noticeable in the sea temperature, escalating to 53.3°F (11.8°C) from May. Weather in June »
Weather in July
July, the heart of summer in Milwaukee, Wisconsin, brings the hottest climatic conditions of the year. The hustle-bustle of outdoor life is at its prime, aided by high temperatures and plentiful sunshine hours. However, the unique distinction of July lies in its recording of the highest rainfall of 0.75" (19mm). Weather in July »
Weather in August
August in Milwaukee still clings to the warm clutch of summer, albeit with subtle signs of approaching fall. Winds start to pick up gradually, serving as a prelude to the cooler months to come. The sea temperature marking its highest point at 71.9°F (22.2°C) symbolizes the last throes of heat. Weather in August »
Weather in September
With the advent of September, Milwaukee starts feeling the first whispers of autumn. There is a noticeable dip in temperature, complementing the changing hues of the city's foliage. The declining levels of humidity lend a crisper feel to the air. Weather in September »
Weather in October
October in Milwaukee brings unmistakable signs of the fall season. The dropping temperatures complement the foliage's changing colors, making it an ideal time for scenic drives and walks. The fall season's beauty is often accompanied by rainfall, but its frequency gets lower as the month progresses. Weather in October »
Weather in November
November in Milwaukee marks a significant changeover from the warmth of fall to the chill of approaching winter. The drastic reduction in sea temperature from October, settling at 46.9°F (8.3°C), is a strong indicator of this transition. Weather in November »
Weather in December
The arrival of December brings winter back in full swing in Milwaukee, Wisconsin. Residents of the city wrap themselves in winter garbs, preparing for the snowy days ahead. The temperatures drop significantly, generating a wintertime aura throughout the city. Weather in December »
Updated: Aug 1, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
The month of January, characterized by an average high of 26.1°F (-3.3°C) and a low of 15.8°F (-9°C), is recognized as the coldest.
What is the most humid month?
The most humid month is January, with an average relative humidity of 85%.
How much does it rain?
Throughout the year, there are 75.6 rainfall days, and 5.83" (148mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall in Milwaukee.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 6.6 days and accumulates 1.1" (28mm) of snow.
How much does it snow in Milwaukee?
In Milwaukee, during the entire year, snow falls for 27.6 days and aggregates up to 3.43" (87mm) of snow.
What is the month with the least sunshine?
With an average of 3.5h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the driest month?
The months with the least rainfall are February and December Rain falls for 1.8 days and accumulates 0.28" (7mm) of rain.
When is the ocean coldest?
The month with the coldest seawater is February, with an average ocean temperature of 36°F (2.2°C).
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow?
May through September are months without snowfall.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What is the month with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest?
July, known for its average high temperature of 77.7°F (25.4°C) and an average low temperature of 64°F (17.8°C), is the warmest month.
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 9.5 days and typically aggregates up to 0.75" (19mm) of precipitation.
What are the months with the most sunshine in Milwaukee?
The months with the most sunshine are July and August, with an average of 10.4h of sunshine.
What is the month with the warmest ocean?
August is the month with the warmest seawater, with an average ocean temperature of 72°F (22.2°C).
What is the least humid month?
The least humid month is October, with an average relative humidity of 75%.
What is the month with the shortest days in Milwaukee?
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Milwaukee, WI
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (26.1°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure
Milwaukee, WI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Milwaukee, WI
- Average wind speed in January:
11.4mph - Average wind speed in February:
11.1mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.5mph - Average wind speed in October:
10.1mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.7mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity
Milwaukee, WI
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Milwaukee, WI
- Average rainfall in January:
0.31" - Average rainfall in February:
0.28" - Average rainfall in March:
0.31" - Average rainfall in April:
0.67" - Average rainfall in May:
0.71" - Average rainfall in June:
0.67"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.55" - Average rainfall in September:
0.35" - Average rainfall in October:
0.63" - Average rainfall in November:
0.31" - Average rainfall in December:
0.28"
The wettest month (with the highest rainfall) is July (0.75").
The driest months (with the least rainfall) are February and December (0.28").
Average rainfall days
Milwaukee, WI
- Average rainfall days in January:
1.8 days - Average rainfall days in February:
1.8 days - Average rainfall days in March:
6.1 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
9.4 days - Average rainfall days in June:
9.9 days
- Average rainfall days in July:
9.5 days - Average rainfall days in August:
8.7 days - Average rainfall days in September:
6.4 days - Average rainfall days in October:
5.7 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is June (9.9 days).
The months with the least rainy days are January and February (1.8 days).
Average snowfall
Milwaukee, WI
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Milwaukee, WI
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Milwaukee, WI
The best month for swimming (with the highest average sea temperature) is August (71.9°F).
The coldest month (with the lowest average sea temperature) is February (36°F).
Average daylight / Average sunshine
Milwaukee, WI
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Milwaukee, WI
- Average sunshine days in January:
25.4 days - Average sunshine days in February:
21.8 days - Average sunshine days in March:
22.5 days - Average sunshine days in April:
18.6 days - Average sunshine days in May:
18.1 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
18.5 days - Average sunshine days in August:
20.1 days - Average sunshine days in September:
21.8 days - Average sunshine days in October:
22.1 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
24.9 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (17.3 days).
Average UV index
Milwaukee, WI
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Milwaukee, WI
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Milwaukee, WI
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Milwaukee, Wisconsin, USA
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