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Contents
- 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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Williams Bay, Wisconsin, with an average temperature fluctuating between 12.9°F (-10.6°C) and 24.8°F (-4°C). January is the coldest month, with an average high-temperature of 24.8°F (-4°C) and an average low-temperature of 12.9°F (-10.6°C). Weather in January »
Weather in February
February, the last month of the winter in Williams Bay, is another freezing cold month, with temperature in the range of an average low of 16.2°F (-8.8°C) and an average high of 28.9°F (-1.7°C). As February unfolds, the average high-temperature reaches a still subzero cold 28.9°F (-1.7°C), hinting at a slight fluctuation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Williams Bay, Wisconsin, with temperature in the range of an average low of 28°F (-2.2°C) and an average high of 42.4°F (5.8°C). As February transitions into March, Williams Bay sees a rise in the average high-temperature, moving from a subzero cold 28.9°F (-1.7°C) to an icy 42.4°F (5.8°C). Weather in March »
Weather in April
April in Williams Bay, Wisconsin, is a fresh spring month, with an average temperature varying between 54.1°F (12.3°C) and 37.9°F (3.3°C). Williams Bay sees an increase in the average high-temperature with the arrival of April, moving from March's cold 42.4°F (5.8°C) to a cool 54.1°F (12.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Williams Bay, Wisconsin, with an average temperature varying between 48.9°F (9.4°C) and 66.7°F (19.3°C). As Williams Bay transitions into May, the average high-temperature is observed to rise from a fresh 54.1°F (12.3°C) in April to an enjoyable 66.7°F (19.3°C). Weather in May »
Weather in June
June, the first month of the summer in Williams Bay, is a warm month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 57.9°F (14.4°C). June's arrival sees a rise in the average high-temperature, jumping from May's refreshing 66.7°F (19.3°C) to a moderately hot 75.9°F (24.4°C). Weather in June »
Weather in July
July, like June, in Williams Bay, Wisconsin, is another warm summer month, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.2°F (16.8°C). The warmest month is July, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.2°F (16.8°C). Weather in July »
Weather in August
August, the last month of the summer in Williams Bay, is another warm month, with an average temperature fluctuating between 60.1°F (15.6°C) and 77.5°F (25.3°C). August's onset records an average high-temperature of a still moderately hot 77.5°F (25.3°C), a near match to July's 79.3°F (26.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Williams Bay, Wisconsin, with an average temperature fluctuating between 71.8°F (22.1°C) and 52.9°F (11.6°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's warm 77.5°F (25.3°C) to an agreeable 71.8°F (22.1°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Williams Bay, Wisconsin, with an average temperature ranging between min 42.4°F (5.8°C) and max 58.3°F (14.6°C). The arrival of October corresponds with a shift in temperature, down from an agreeable 71.8°F (22.1°C) in September to a refreshing 58.3°F (14.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Williams Bay, Wisconsin, with an average temperature ranging between min 30.6°F (-0.8°C) and max 43.7°F (6.5°C). November's arrival witnesses a distinct temperature drop, receding from October's moderate 58.3°F (14.6°C) to a chilly 43.7°F (6.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Williams Bay, Wisconsin, with temperature in the range of an average low of 21.4°F (-5.9°C) and an average high of 31.5°F (-0.3°C). The arrival of December signals a shift in temperature, down from a frosty 43.7°F (6.5°C) in November to a freezing cold 31.5°F (-0.3°C). Weather in December »
Updated: Feb 14, 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 is the coldest month in Williams Bay?
Williams Bay's January weather reaches an average high of 24.8°F (-4°C) and an average low of 12.9°F (-10.6°C), making it the coldest month.
What is the most humid month in Williams Bay?
With an average relative humidity of 87%, January is the most humid month in Williams Bay, Wisconsin.
What is the driest month in Williams Bay?
January and December are months with the least rain in Williams Bay when the rain falls for 3.8 days and typically aggregates up to 0.79" (20mm) of rain.
How much does it rain in Williams Bay?
Throughout the year, there are 132.3 rainfall days, and 18.7" (475mm) of precipitation is accumulated.
When does it snow in Williams Bay?
January through April, October through December are months with snowfall.
What is the snowiest month in Williams Bay?
January is the month with the most snowfall in Williams Bay, Wisconsin. Snow falls for 13.4 days and accumulates 3.35" (85mm) of snow.
How much does it snow in Williams Bay?
Throughout the year, in Williams Bay, Wisconsin, there are 47.5 snowfall days, and 11.81" (300mm) of snow is accumulated.
What is the month with the least sunshine in Williams Bay?
The month with the least sunshine is January, with an average of 3.5h of sunshine.
What is the month with the lowest UV index in Williams Bay?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
When is Daylight Saving Time (DST) in Williams Bay?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Williams Bay, 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.
What are the least humid months in Williams Bay?
The months with the lowest humidity in Williams Bay are April and October, with an average relative humidity of 77%.
When it does not snow in Williams Bay?
In Williams Bay, Wisconsin, snow does not fall in May through September.
What are the months with the highest UV index in Williams Bay?
The months with the highest UV index in Williams Bay are May through August, with an average maximum UV index of 5.
When are the longest days in Williams Bay?
With an average of 15h and 18min of daylight, June has the longest days of the year in Williams Bay.
What part of the year is the hottest in Williams Bay?
July stands out as Williams Bay's warmest month, with an average high-temperature of 79.3°F (26.3°C) and a low-temperature of 62.2°F (16.8°C).
What is the rainiest month in Williams Bay?
July is the month with the most rainfall. Rain falls for 17.4 days and accumulates 2.56" (65mm) of precipitation.
What are the months with the most sunshine in Williams Bay?
July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Williams Bay.
What is the month with the shortest days in Williams Bay?
December has the shortest days of the year in Williams Bay, with an average of 9h and 6min of daylight.
Average temperature
Williams Bay, WI
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure
Williams Bay, WI
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"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:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Williams Bay, WI
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.2mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Williams Bay, WI
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall
Williams Bay, WI
- Average rainfall in January:
0.79" - Average rainfall in February:
0.83" - Average rainfall in March:
1.02" - Average rainfall in April:
2.2" - Average rainfall in May:
2.24" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.17" - Average rainfall in September:
1.26" - Average rainfall in October:
1.5" - Average rainfall in November:
0.91" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are January and December (0.79").
Average rainfall days
Williams Bay, WI
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
6.5 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall
Williams Bay, WI
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Williams Bay, WI
- Average snowfall days in January:
13.4 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
2.2 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:
0.7 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
9.9 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Williams Bay, WI
- Average daylight in January:
9h and 3min - 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:
14h and 5min - 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 5min - 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 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Williams Bay, WI
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
15 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
Williams Bay, WI
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Williams Bay, WI
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 35).
Average visibility
Williams Bay, WI
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Williams Bay, Wisconsin, USA
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