Climate and monthly weather forecastBelleville, WI
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Belleville, Wisconsin, with an average temperature fluctuating between 11.7°F (-11.3°C) and 24.4°F (-4.2°C). Belleville's January weather reaches an average high of 24.4°F (-4.2°C) and an average low of 11.7°F (-11.3°C), making it the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Belleville, Wisconsin, with temperature in the range of an average low of 15.3°F (-9.3°C) and an average high of 28°F (-2.2°C). Belleville greets February with an average high-temperature of a still subzero cold 28°F (-2.2°C), marking a slight deviation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Belleville, Wisconsin, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 27.5°F (-2.5°C). The arrival of March signals an increase in the average high-temperature, moving from a subzero cold 28°F (-2.2°C) in February to an icy 42.1°F (5.6°C). Weather in March »Weather in April
April is a cool spring month in Belleville, Wisconsin, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 37.6°F (3.1°C). April brings a temperature change, with average high-temperatures moving from March's icy 42.1°F (5.6°C) to a fresh 54.3°F (12.4°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Belleville, Wisconsin, with an average temperature fluctuating between 49.1°F (9.5°C) and 66.6°F (19.2°C). Belleville in May sees a temperature change, with average high-temperatures moving from a fresh 54.3°F (12.4°C) in April to an enjoyable 66.6°F (19.2°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Belleville, Wisconsin, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 75.2°F (24°C). Belleville observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's refreshing 66.6°F (19.2°C) to a moderately hot 75.2°F (24°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Belleville, Wisconsin, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 61.9°F (16.6°C). July, known for its average high temperature of 79°F (26.1°C) and an average low temperature of 61.9°F (16.6°C), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Belleville, Wisconsin, with an average temperature ranging between min 59.7°F (15.4°C) and max 77.5°F (25.3°C). With the start of August, Belleville measures an average high-temperature of a still moderately hot 77.5°F (25.3°C), not significantly differing from July's 79°F (26.1°C). Weather in August »Weather in September
September, the first month of the autumn in Belleville, is still a pleasant month, with an average temperature varying between 52.3°F (11.3°C) and 71.2°F (21.8°C). In Belleville, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 77.5°F (25.3°C) to a pleasant 71.2°F (21.8°C). Weather in September »Weather in October
October, the same as September, in Belleville, Wisconsin, is another refreshing autumn month, with an average temperature fluctuating between 41.9°F (5.5°C) and 57.7°F (14.3°C). During Belleville's transition into October, the average high-temperature lessens, moving from a pleasant 71.2°F (21.8°C) in September to a mild 57.7°F (14.3°C). Weather in October »Weather in November
November, the last month of the autumn in Belleville, is another chilly month, with an average temperature varying between 30.2°F (-1°C) and 42.8°F (6°C). With the onset of November, Belleville's average high-temperature witnesses a clear drop, receding from October's mild 57.7°F (14.3°C) to a frosty 42.8°F (6°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Belleville, Wisconsin, with an average temperature varying between 30.7°F (-0.7°C) and 20.8°F (-6.2°C). The onset of December is marked by a decrease in temperature, transitioning from a chilly 42.8°F (6°C) in November to a subzero cold 30.7°F (-0.7°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
January is the month that records the lowest temperatures, with averages ranging from a high of 24.4°F (-4.2°C) to a low of 11.7°F (-11.3°C).
With an average relative humidity of 89%, January is the most humid month in Belleville.
January is the month with the least rainfall in Belleville, Wisconsin. Rain falls for 3.8 days and accumulates 0.55" (14mm) of precipitation.
In Belleville, Wisconsin, during the entire year, the rain falls for 124.7 days and collects up to 15.16" (385mm) of precipitation.
January through May, October through December are months with snowfall in Belleville, Wisconsin.
The months with the most snowfall in Belleville are January and February, with an average 2.52" (64mm) of accumulated snow.
Throughout the year, in Belleville, there are 48 snowfall days, and 10.43" (265mm) of snow is accumulated.
With an average of 3.4h of sunshine, January has the least sunshine of the year in Belleville, Wisconsin.
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Belleville.
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.
April and October, with an average relative humidity of 77%, are the least humid months in Belleville.
June is the month with the most rainfall. Rain falls for 16 days and accumulates 2.32" (59mm) of precipitation.
In Belleville, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 18min of daylight.
The month with the highest UV index is June, with an average maximum UV index of 6.
In Belleville, July registers the highest temperatures, averaging 79°F (26.1°C) at the peak and 61.9°F (16.6°C) at the lowest.
With an average of 9.8h of sunshine, July has the most sunshine of the year.
With an average of 9h and 6min of daylight, December has the shortest days of the year in Belleville, Wisconsin.
Average temperature
Belleville, WI
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.4°F).
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure
Belleville, WI
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.11"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 months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Belleville, WI
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Belleville, WI
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall
Belleville, WI
- Average rainfall in January:
0.55" - Average rainfall in February:
0.63" - Average rainfall in March:
0.83" - Average rainfall in April:
1.5" - Average rainfall in May:
1.97" - Average rainfall in June:
2.32"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.38" - Average rainfall in September:
1.34" - Average rainfall in October:
1.18" - Average rainfall in November:
0.79" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Belleville, WI
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
10 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Belleville, WI
- Average snowfall in January:
2.52" - Average snowfall in February:
2.52" - Average snowfall in March:
1.18" - Average snowfall in April:
0.87" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The months with the highest snowfall are January and February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Belleville, WI
- Average snowfall days in January:
13 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
2.5 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:
1.1 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
9.4 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Belleville, WI
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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 24min - Average sunshine in February:
3h and 30min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Belleville, WI
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Belleville, WI
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Belleville, WI
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility
Belleville, WI
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
