Climate and monthly weather forecastIrma, WI
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Irma, Wisconsin, with an average temperature fluctuating between 7.3°F (-13.7°C) and 18.9°F (-7.3°C). January, with average temperatures reaching a high of 18.9°F (-7.3°C) and a low of 7.3°F (-13.7°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Irma, Wisconsin, with an average temperature ranging between min 9.7°F (-12.4°C) and max 22.5°F (-5.3°C). The shift into February finds Irma at an average high-temperature of a still subzero cold 22.5°F (-5.3°C), closely comparable to January's conditions. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Irma, Wisconsin, with an average temperature ranging between max 35.6°F (2°C) and min 21.9°F (-5.6°C). As Irma welcomes March, the average high-temperature sees a rise, transitioning from a subzero cold 22.5°F (-5.3°C) in February to an icy 35.6°F (2°C). Weather in March »Weather in April
April is a chilly spring month in Irma, Wisconsin, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 47.8°F (8.8°C). April's onset witnesses a shift in the average high-temperature, moving from a wintry 35.6°F (2°C) in March to a chilly 47.8°F (8.8°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Irma, Wisconsin, with an average temperature varying between 43.9°F (6.6°C) and 64°F (17.8°C). A distinct shift in the average high-temperature is signaled in May, moving up from a chilly 47.8°F (8.8°C) in April to a refreshing 64°F (17.8°C). Weather in May »Weather in June
June, the first month of the summer in Irma, is a moderately hot month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 52.2°F (11.2°C). Noticing a change, the average high-temperature during June moves from May's refreshing 64°F (17.8°C) to a moderately hot 73.4°F (23°C). Weather in June »Weather in July
July, like June, in Irma, Wisconsin, is another warm summer month, with an average temperature ranging between max 78.1°F (25.6°C) and min 57°F (13.9°C). The warmest time of the year is July, with temperatures averaging a high of 78.1°F (25.6°C) and a low of 57°F (13.9°C). Weather in July »Weather in August
August, the last month of the summer in Irma, is another warm month, with an average temperature fluctuating between 55.8°F (13.2°C) and 75.7°F (24.3°C). Irma observes a minor difference in average high-temperatures between July's 78.1°F (25.6°C) and August's 75.7°F (24.3°C). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Irma, Wisconsin, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 48.6°F (9.2°C). September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a warm 75.7°F (24.3°C) in August to an enjoyable 67.1°F (19.5°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Irma, Wisconsin, with an average temperature fluctuating between 51.4°F (10.8°C) and 38.3°F (3.5°C). As Irma, Wisconsin, steps into October, the average high-temperature decreases significantly from the a refreshing 67.1°F (19.5°C) of September to a fresh 51.4°F (10.8°C). Weather in October »Weather in November
November, the last month of the autumn in Irma, is also an icy month, with an average temperature fluctuating between 36.7°F (2.6°C) and 26.1°F (-3.3°C). Irma in November sees a clear temperature decline, with average high-temperatures decreasing from a cool 51.4°F (10.8°C) in October to an icy 36.7°F (2.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Irma, Wisconsin, with an average temperature varying between 24.3°F (-4.3°C) and 14.9°F (-9.5°C). The beginning of December marks a decrease in the average high-temperature, transitioning from a wintry 36.7°F (2.6°C) in November to a freezing cold 24.3°F (-4.3°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
The coldest period in Irma is January, when temperatures fluctuate between an average high of 18.9°F (-7.3°C) and a low of 7.3°F (-13.7°C).
January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 1.1" (28mm) of precipitation.
Throughout the year, in Irma, Wisconsin, there are 132.2 rainfall days, and 23.15" (588mm) of precipitation is accumulated.
Months with snowfall in Irma, Wisconsin, are January through May, October through December.
In Irma, Wisconsin, during the entire year, snow falls for 104.4 days and aggregates up to 41.26" (1048mm) of snow.
January has the least sunshine of the year, with an average of 2.3h of sunshine.
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
February is the most humid month, with an average relative humidity of 92%.
The month with the most snowfall in Irma is February, when snow falls for 20.2 days and typically aggregates up to 8.35" (212mm) of snow.
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.
The least humid month in Irma is May, with an average relative humidity of 73%.
The month with the most rainfall in Irma, Wisconsin, is June, when the rain falls for 16.7 days and typically aggregates up to 2.95" (75mm) of precipitation.
In Irma, snow does not fall in June through September.
With an average of 15h and 36min of daylight, June has the longest days of the year in Irma, Wisconsin.
June through August, with an average maximum UV index of 5, are months with the highest UV index in Irma.
The warmest time of the year in Irma, Wisconsin, is July, with temperatures averaging a high of 78.1°F (25.6°C) and a low of 57°F (13.9°C).
With an average of 9.6h of sunshine, July has the most sunshine of the year.
With an average of 8h and 48min of daylight, December has the shortest days of the year in Irma, Wisconsin.
Average temperature
Irma, WI
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (18.9°F).
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure
Irma, WI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Irma, WI
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.6mph - Average wind speed in May:
8mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.4mph - Average wind speed in October:
8.1mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity
Irma, WI
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall
Irma, WI
- Average rainfall in January:
1.1" - Average rainfall in February:
1.26" - Average rainfall in March:
1.46" - Average rainfall in April:
2.64" - Average rainfall in May:
2.83" - Average rainfall in June:
2.95"
- Average rainfall in July:
2.24" - Average rainfall in August:
1.97" - Average rainfall in September:
1.57" - Average rainfall in October:
2.28" - Average rainfall in November:
1.5" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days
Irma, WI
- Average rainfall days in January:
3.5 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
15 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
5.1 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall
Irma, WI
- Average snowfall in January:
7.13" - Average snowfall in February:
8.35" - Average snowfall in March:
5.91" - Average snowfall in April:
5.24" - Average snowfall in May:
0.59" - Average snowfall in June:
0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Irma, WI
- Average snowfall days in January:
22.3 days - Average snowfall days in February:
20.2 days - Average snowfall days in March:
15 days - Average snowfall days in April:
9.3 days - Average snowfall days in May:
0.9 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:
3.7 days - Average snowfall days in November:
12.7 days - Average snowfall days in December:
20.3 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Irma, WI
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
2h and 18min - Average sunshine in February:
2h and 24min - Average sunshine in March:
4h and 30min - Average sunshine in April:
6h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 6min - Average sunshine in September:
7h and 42min - Average sunshine in October:
4h and 42min - Average sunshine in November:
3h and 54min - Average sunshine in December:
2h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days
Irma, WI
- Average sunshine days in January:
8.8 days - Average sunshine days in February:
8 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (8 days).
Average UV index
Irma, 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, February, March, November and December (UV index 1).
Average cloud cover
Irma, WI
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility
Irma, WI
The months with the highest visibility are May and October (6mi).
The months with the lowest visibility are January and February (4mi).
