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 Brill, Wisconsin, transitions into May, a noticeable rise in the average high-temperature is observed, soaring from a frosty 49.6°F (9.8°C) in April to a comfortable 64°F (17.8°C). May is noted for a mean low-temperature of 45°F (7.2°C).Humidity
May is the least humid month, with an average relative humidity of 76%.Rainfall
In Brill, during May, the rain falls for 15.8 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Brill, during the entire year, the rain falls for 128.9 days and collects up to 23.46" (596mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1 snowfall days, in May, Brill aggregates 1.14" (29mm) of snow. Throughout the year, there are 83.1 snowfall days, and 28.98" (736mm) of snow is accumulated.Daylight
In Brill, the average length of the day in May is 14h and 56min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:20 am and sunset at 8:48 pm CDT.
Sunshine
The average sunshine in May is 8.1h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in May translates into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the least humid month?
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?
What time are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Brill, WI
- Average high temperature in May: 64°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 (17.6°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in May
Brill, WI
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Brill, WI
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Brill, WI
- Average humidity in May: 76%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Brill, WI
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in May
Brill, WI
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in May
Brill, WI
- Average snowfall in May: 1.14"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Brill, WI
- Average snowfall days in May: 1 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Brill, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Brill, WI
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in May
Brill, WI
- Average UV index in May: 5
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Brill, WI
- Average cloud cover in May: 47
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Brill, WI
- Average visibility in May: 6mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).
Brill, Wisconsin, USA
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