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
As Spencer transitions into May, the average high-temperature shows a marked escalation, increasing from a chilly 49.6°F (9.8°C) in April to an enjoyable 64°F (17.8°C). In Spencer, the average low-temperature during the month of May is a chilly 45.7°F (7.6°C).Humidity
In Spencer, the average relative humidity in May is 78%.Rainfall
In Spencer, in May, during 17.4 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Spencer, during the entire year, the rain falls for 132.1 days and collects up to 23.23" (590mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Spencer aggregates 0.2" (5mm) of snow. Throughout the year, there are 79.6 snowfall days, and 28.07" (713mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 51min.On the first day of May, sunrise is at 5:49 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:39 pm CDT.
Sunshine
In Spencer, the average sunshine in May is 8.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May in Spencer?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Spencer, WI
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in May: 45.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in May
Spencer, WI
- Average pressure in May: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Spencer, WI
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Spencer, WI
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Spencer, WI
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in May
Spencer, WI
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in May
Spencer, WI
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Spencer, WI
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Spencer, WI
- Average daylight in May: 14h and 5min
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 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Spencer, WI
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in May
Spencer, WI
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Spencer, WI
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in May
Spencer, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Spencer, Wisconsin, USA
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