May weather forecastGresham, WI
May
Weather in May
The last month of the spring, May, is an enjoyable month in Gresham, Wisconsin, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 45.1°F (7.3°C).Temperature
May's arrival brings a change in high-temperatures, moving from a fresh 50.5°F (10.3°C) in April to an enjoyable 64.8°F (18.2°C). Gresham sees an average low-temperature of 45.1°F (7.3°C) during May.Humidity
The months with the lowest humidity in Gresham are April and May, with an average relative humidity of 75%.Rainfall
May is the month with the most rainfall in Gresham. Rain falls for 15.1 days and accumulates 3.19" (81mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Gresham. May is the last month it regularly snows. During 0.2 snowfall days, in May, Gresham aggregates 0.35" (9mm) of snow. Throughout the year, in Gresham, there are 62 snowfall days, and 22.2" (564mm) of snow is accumulated.Daylight
The average length of the day in May in Gresham, Wisconsin, is 14h and 52min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:33 pm CDT.
Sunshine
In Gresham, the average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in May translates into this advice:
Make use of precautions - It is urged to ward off sun damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Gresham, WI
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in May
Gresham, WI
- Average pressure in May: 29.96"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 in May
Gresham, WI
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in May
Gresham, WI
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in May
Gresham, WI
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in May
Gresham, WI
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is May (15.1 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in May
Gresham, WI
- Average snowfall in May: 0.35"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Gresham, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Gresham, WI
- Average daylight in May: 14h and 54min
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 May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in May
Gresham, WI
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in May
Gresham, 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, November and December (UV index 1).
Average cloud cover in May
Gresham, WI
- Average cloud cover in May: 42
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Gresham, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).





