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
An increase in the average high-temperature marks May, moving from April's fresh 50.2°F (10.1°C) to a comfortable 63.3°F (17.4°C). Nighttime temperature in Brillion lowers to an average of 45.7°F (7.6°C) in May.Humidity
In Brillion, Wisconsin, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 14.3 days and accumulates 2.48" (63mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Brillion. During 0.2 snowfall days, in May, Brillion aggregates 0.04" (1mm) of snow. In Brillion, during the entire year, snow falls for 55.7 days and aggregates up to 13.39" (340mm) of snow.Daylight
The average length of the day in May in Brillion is 14h and 47min.On the first day of the month, sunrise is at 5:42 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:28 pm CDT.
Sunshine
The average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows in Brillion?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Brillion have in May?
What is the UV index reading in May in Brillion?
Average temperature in May
Brillion, WI
- Average high temperature in May: 63.3°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in May: 45.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in May
Brillion, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Brillion, WI
- Average wind speed in May: 8.7mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Brillion, WI
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Brillion, WI
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in May
Brillion, WI
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Brillion, WI
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Brillion, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Brillion, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in May
Brillion, WI
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in May
Brillion, WI
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Brillion, WI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Brillion, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Brillion, Wisconsin, USA
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