May weather forecastClam Lake, WI
May
Weather in May
May, the last month of the spring in Clam Lake, is a refreshing month, with an average temperature varying between 63.7°F (17.6°C) and 43.7°F (6.5°C).Temperature
The shift into May is marked by a noticeable escalation in the average high-temperature, rising from April's chilly 47.8°F (8.8°C) to a refreshing 63.7°F (17.6°C). Nighttime temperature lowers to an average of 43.7°F (6.5°C) in May.Humidity
With an average relative humidity of 72%, May is the least humid month.Rainfall
In Clam Lake, in May, during 16.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Clam Lake, during the entire year, the rain falls for 124.9 days and collects up to 21.85" (555mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.7 snowfall days, in May, Clam Lake aggregates 1.57" (40mm) of snow. Throughout the year, in Clam Lake, there are 110.1 snowfall days, and 45.79" (1163mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 0min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:12 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:47 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. 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 May, the maximum UV index of 5 suggests this advice:
Be vigilant - Preventing sunburn is recommended. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Clam Lake, WI
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (17.6°F).
- Average low temperature in May: 43.7°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in May
Clam Lake, WI
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Clam Lake, WI
- Average wind speed in May: 7.4mph
The windiest months (with the highest average wind speed) are April and November (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Clam Lake, WI
- Average humidity in May: 72%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in May
Clam Lake, WI
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in May
Clam Lake, WI
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in May
Clam Lake, WI
- Average snowfall in May: 1.57"
The month with the highest snowfall is December (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Clam Lake, WI
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clam Lake, WI
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in May
Clam Lake, WI
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is December (8.9 days).
Average UV index in May
Clam Lake, 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
Clam Lake, WI
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in May
Clam Lake, WI
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





