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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, the same as December, in Brillion, Wisconsin, is a freezing cold winter month, with temperature in the range of an average low of 12°F (-11.1°C) and an average high of 23.2°F (-4.9°C). January, with its high-temperature average of 23.2°F (-4.9°C) and a low-temperature average of 12°F (-11.1°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Brillion, Wisconsin, with an average temperature fluctuating between 14.4°F (-9.8°C) and 25.9°F (-3.4°C). February brings a marginal elevation to a still freezing cold 25.9°F (-3.4°C) from January's 23.2°F (-4.9°C) in Brillion's average high-temperatures. Weather in February »
Weather in March
March, the first month of the spring in Brillion, is a wintry month, with an average temperature varying between 25.7°F (-3.5°C) and 38.8°F (3.8°C). The start of March is characterized by an increase in the average high-temperature, transitioning from a freezing cold 25.9°F (-3.4°C) in February to a cold 38.8°F (3.8°C). Weather in March »
Weather in April
April is a cool spring month in Brillion, Wisconsin, with temperature in the range of an average high of 50.2°F (10.1°C) and an average low of 35.2°F (1.8°C). With the onset of April, Brillion sees a temperature rise, with the average high-temperature moving from March's cold 38.8°F (3.8°C) to a fresh 50.2°F (10.1°C). Weather in April »
Weather in May
May, the last month of the spring in Brillion, is an enjoyable month, with an average temperature varying between 63.3°F (17.4°C) and 45.7°F (7.6°C). An increase in the average high-temperature marks May, moving from April's fresh 50.2°F (10.1°C) to a comfortable 63.3°F (17.4°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Brillion, Wisconsin, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 54.5°F (12.5°C). With the onset of June, Brillion experiences a subtle temperature shift, with the average high-temperature moving from a comfortable 63.3°F (17.4°C) in May to a pleasant 72.1°F (22.3°C). Weather in June »
Weather in July
July is a warm summer month in Brillion, Wisconsin, with an average temperature fluctuating between 61°F (16.1°C) and 78.3°F (25.7°C). In Brillion, the peak temperatures are generally noted in July, averaging a high of 78.3°F (25.7°C) and a low of 61°F (16.1°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Brillion, Wisconsin, with an average temperature varying between 59.5°F (15.3°C) and 77°F (25°C). The transition into August marks the average high-temperature at a still moderately hot 77°F (25°C), differing minimally from July's 78.3°F (25.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Brillion, Wisconsin, with an average temperature ranging between max 69.6°F (20.9°C) and min 52.7°F (11.5°C). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 77°F (25°C) to a pleasant 69.6°F (20.9°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Brillion, Wisconsin, with an average temperature fluctuating between 56.1°F (13.4°C) and 41.7°F (5.4°C). October involves a decrease in temperature, down from an agreeable 69.6°F (20.9°C) in September to a moderate 56.1°F (13.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Brillion, is also an icy month, with an average temperature varying between 41.9°F (5.5°C) and 30.7°F (-0.7°C). Start of November brings a shift in the average high-temperature, falling from October's moderate 56.1°F (13.4°C) to an icy 41.9°F (5.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Brillion, Wisconsin, with an average temperature varying between 20.1°F (-6.6°C) and 29.3°F (-1.5°C). December brings a drop in Brillion's average high-temperature, falling from an icy 41.9°F (5.5°C) in November to a freezing cold 29.3°F (-1.5°C). Weather in December »
Updated: Jun 16, 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 are the coldest months?
January proves to be the coldest month, recording an average maximum temperature of 23.2°F (-4.9°C) and a minimum temperature of 12°F (-11.1°C).
What are the most humid months?
January and February, with an average relative humidity of 88%, are most humid months.
How many days does it rain?
In Brillion, during the entire year, the rain falls for 125 days and collects up to 18.07" (459mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 12.9 days and accumulates 3.35" (85mm) of snow.
How much does it snow?
In Brillion, during the entire year, snow falls for 55.7 days and aggregates up to 13.39" (340mm) of snow.
What is the month with the lowest UV index?
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the driest month?
February is the month with the least rainfall. Rain falls for 3.9 days and accumulates 0.79" (20mm) of precipitation.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 3.4h of sunshine.
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.
What is the least humid month?
April is the least humid month, with an average relative humidity of 76%.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 14.3 days and typically aggregates up to 2.48" (63mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 30min of daylight.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 5, are months with the highest UV index.
What are the warmest months?
In Brillion, Wisconsin, the peak temperatures are generally noted in July, averaging a high of 78.3°F (25.7°C) and a low of 61°F (16.1°C).
What month has the most sunshine in Brillion?
The month with the most sunshine is July, with an average of 10.3h of sunshine.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 54min of daylight.
Average temperature
Brillion, WI
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (23.2°F).
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure
Brillion, WI
- Average pressure in January:
30.08"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:
29.91"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.07"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Brillion, WI
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.1mph - Average wind speed in September:
8mph - Average wind speed in October:
9.5mph - Average wind speed in November:
9.9mph - Average wind speed in December:
10.1mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity
Brillion, WI
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Brillion, WI
- Average rainfall in January:
0.91" - Average rainfall in February:
0.79" - Average rainfall in March:
1.18" - Average rainfall in April:
1.93" - Average rainfall in May:
2.48" - Average rainfall in June:
1.97"
- Average rainfall in July:
1.85" - Average rainfall in August:
1.69" - Average rainfall in September:
1.34" - Average rainfall in October:
1.97" - Average rainfall in November:
1.02" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days
Brillion, WI
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.9 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
6 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (3.8 days).
Average snowfall
Brillion, WI
- Average snowfall in January:
3.35" - Average snowfall in February:
2.87" - Average snowfall in March:
1.73" - Average snowfall in April:
1.1" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Brillion, WI
- Average snowfall days in January:
12.9 days - Average snowfall days in February:
13.3 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
3.5 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:
0.9 days - Average snowfall days in November:
4.9 days - Average snowfall days in December:
11.7 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Brillion, WI
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - 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:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 2min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days
Brillion, WI
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
13 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
14 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.6 days).
Average UV index
Brillion, WI
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Brillion, WI
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Brillion, WI
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Brillion, Wisconsin, USA
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