May weather forecastWhitehall, WI
May
Weather in May
The last month of the spring, May, is a comfortable month in Whitehall, Wisconsin, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 64.6°F (18.1°C).Temperature
Whitehall's weather shows a temperature rise with the arrival of May, moving from a fresh 52°F (11.1°C) in April to a comfortable 64.6°F (18.1°C). In Whitehall, the average temperature during the nights of May drops to a chilly 46.9°F (8.3°C).Humidity
In Whitehall, the average relative humidity in May is 80%.Rainfall
In Whitehall, in May, during 18.5 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. In Whitehall, during the entire year, the rain falls for 142.8 days and collects up to 28.78" (731mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Whitehall aggregates 0.35" (9mm) of snow. Throughout the year, there are 68 snowfall days, and 28.11" (714mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 49min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:09 pm. On the last day of May, in Whitehall, sunrise is at 5:24 am and sunset at 8:42 pm CDT.
Sunshine
In Whitehall, the average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Whitehall, WI
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in May
Whitehall, WI
- Average pressure in May: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Whitehall, WI
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in May
Whitehall, WI
- Average humidity in May: 80%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in May
Whitehall, WI
- Average rainfall in May: 3.74"
The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in May
Whitehall, WI
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is June (19 days).
The months with the least rainy days are January and February (3.6 days).
Average snowfall in May
Whitehall, WI
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Whitehall, WI
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Whitehall, WI
- Average daylight in May: 14h and 48min
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 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Whitehall, WI
- Average sunshine days in May: 9.4 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in May
Whitehall, WI
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Whitehall, WI
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Whitehall, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, August, October and November (6mi).
The month with the lowest visibility is January (4mi).





