Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
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). During the month of May, an average temperature of 43.9°F (6.6°C) is noted during the nights in Irma.Humidity
With an average relative humidity of 73%, May is the least humid month in Irma.Rainfall
In Irma, Wisconsin, in May, during 16.3 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, in Irma, there are 132.2 rainfall days, and 23.15" (588mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Irma, Wisconsin. During 0.9 snowfall days, in May, Irma aggregates 0.59" (15mm) of snow. Throughout the year, in Irma, Wisconsin, there are 104.4 snowfall days, and 41.26" (1048mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 55min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:05 pm. On the last day of May, in Irma, sunrise is at 5:13 am and sunset at 8:39 pm CDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
In Irma, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Guard yourself - Avoiding sunburn is suggested. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Irma?
What is the least humid month in Irma?
What is the average humidity in May in Irma?
How much does it rain in Irma in May?
What is the last month it snows in Irma?
What is the average length of the day in May in Irma?
When are sunrise and sunset in May in Irma?
How long on average sun shines in May in Irma?
How high is the UV index in May in Irma?
Average temperature in May
Irma, WI
- Average high temperature in May: 64°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 May: 43.9°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 in May
Irma, WI
- Average pressure in May: 29.96"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 May
Irma, WI
- Average wind speed in May: 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 in May
Irma, WI
- Average humidity in May: 73%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in May
Irma, WI
- Average rainfall in May: 2.83"
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 May
Irma, WI
- Average rainfall days in May: 16.3 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 May
Irma, WI
- Average snowfall in May: 0.59"
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 May
Irma, WI
- Average snowfall days in May: 0.9 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 May /
Average sunshine in May
Irma, WI
- Average daylight in May: 14h and 5min
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 May: 8h and 2min
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 May
Irma, WI
- Average sunshine days in May: 11.2 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 May
Irma, WI
- Average UV index in May: 4
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 May
Irma, WI
- Average cloud cover in May: 48
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 May
Irma, WI
- Average visibility in May: 6mi
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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