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
May's arrival brings a change in high-temperatures, moving from a fresh 50°F (10°C) in April to a comfortable 61.7°F (16.5°C). In Butler, the expected average low-temperature for May is a frosty 47.7°F (8.7°C).Humidity
In Butler, the average relative humidity in May is 78%.Rainfall
In Butler, during May, the rain falls for 17.3 days and regularly aggregates up to 3.15" (80mm) of precipitation. In Butler, during the entire year, the rain falls for 143.3 days and collects up to 28.11" (714mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 41min.On the first day of May, sunrise is at 5:44 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:24 pm CDT.
Sunshine
In Butler, the average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 during May translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Butler have in May?
What is the UV index intensity in May?
Average temperature in May
Butler, WI
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in May
Butler, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Butler, WI
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Butler, WI
- Average humidity in May: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Butler, WI
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in May
Butler, WI
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in May
Butler, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Butler, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Butler, WI
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Butler, WI
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.9 days).
Average UV index in May
Butler, WI
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Butler, WI
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Butler, WI
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Butler, Wisconsin, USA
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