April weather forecast
Irma, WI

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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).

Temperature

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). Throughout April, an average low-temperature of 31.8°F (-0.1°C) is expected.

Humidity

In April, the average relative humidity is 77%.

Rainfall

In Irma, in April, during 13.7 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Irma, during the entire year, the rain falls for 132.2 days and collects up to 23.15" (588mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Irma, in April, snow falls for 9.3 days, with typically accumulated 5.24" (133mm) of snow. Throughout the year, there are 104.4 snowfall days, and 41.26" (1048mm) of snow is accumulated.

Daylight

The average length of the day in April in Irma is 13h and 33min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:27 pm. On the last day of April, in Irma, sunrise is at 5:47 am and sunset at 8:04 pm CDT.

Sunshine

In Irma, the average sunshine in April is 6.5h.

UV index

In Irma, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In April, the maximum UV index of 3 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Irma in April?

The high-temperature, in April, in Irma, records 47.8°F (8.8°C), while the low-temperature is 31.8°F (-0.1°C).

What is the average humidity in April in Irma?

The average relative humidity in April in Irma is 77%.

How many days does it rain in April in Irma?

In Irma, during April, the rain falls for 13.7 days and regularly aggregates up to 2.64" (67mm) of precipitation.

How many days does it snow in April in Irma?

In Irma, Wisconsin, in April, snow falls for 9.3 days, with typically accumulated 5.24" (133mm) of snow.

What is the average length of the day in April in Irma?

In Irma, Wisconsin, the average day length in April is 13h and 33min.

When are sunrise and sunset in April in Irma?

In April, on the first day of the month, sunrise is at 6:37 am and sunset at 7:27 pm. On the last day of the month, in Irma, Wisconsin, sunrise is at 5:47 am and sunset at 8:04 pm CDT.

How many hours of sunshine does Irma have in April?

The average sunshine duration in April in Irma is 6.5h.

How high is the UV index in April in Irma?

In April, the average daily maximum UV index in Irma, Wisconsin, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Irma, WI

Average temperature in April - Irma, WI
  • Average high temperature in April: 47.8°F

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).

  • Average low temperature in April: 31.8°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 in April
Irma, WI

Average pressure in April - Irma, WI
  • Average pressure in April: 29.97"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 in April
Irma, WI

Average wind speed in April - Irma, WI
  • Average wind speed in April: 8.6mph

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 in April
Irma, WI

Average humidity in April - Irma, WI
  • Average humidity in April: 77%

The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).

Average rainfall in April
Irma, WI

Average rainfall in April - Irma, WI
  • Average rainfall in April: 2.64"

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 in April
Irma, WI

Average rainfall days in April - Irma, WI
  • Average rainfall days in April: 13.7 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 in April
Irma, WI

Average snowfall in April - Irma, WI
  • Average snowfall in April: 5.24"

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 in April
Irma, WI

Average snowfall days in April - Irma, WI
  • Average snowfall days in April: 9.3 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 in April /
Average sunshine in April
Irma, WI

Average daylight in April / Average sunshine in April - Irma, WI
  • Average daylight in April: 13h and 3min

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 April: 6h and 3min

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 in April
Irma, WI

Average sunshine days in April - Irma, WI
  • Average sunshine days in April: 9.5 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 in April
Irma, WI

Average UV index in April - Irma, WI
  • Average UV index in April: 3

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 in April
Irma, WI

Average cloud cover in April - Irma, WI
  • Average cloud cover in April: 58

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 in April
Irma, WI

Average visibility in April - Irma, WI
  • Average visibility in April: 5mi

The months with the highest visibility are May and October (6mi).
The months with the lowest visibility are January and February (4mi).

Irma, Wisconsin, USA

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