May weather forecastBrown Deer, WI
May
Weather in May
The last month of the spring, May, is a moderate month in Brown Deer, Wisconsin, with an average temperature ranging between max 58.6°F (14.8°C) and min 47.5°F (8.6°C).Temperature
Brown Deer, Wisconsin, sees an increase in the average high-temperature with the arrival of May, moving from April's chilly 48.2°F (9°C) to a refreshing 58.6°F (14.8°C). Brown Deer experiences a steady low-temperature of 47.5°F (8.6°C) throughout May.Humidity
In Brown Deer, the average relative humidity in May is 79%.Rainfall
In May, the rain falls for 15.2 days. Throughout May, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
In Brown Deer, Wisconsin, snow does not fall in May through September.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 7:53 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:24 pm CDT.
Sunshine
In Brown Deer, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Brown Deer, WI
- Average high temperature in May: 58.6°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in May: 47.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Brown Deer, 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
Brown Deer, WI
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in May
Brown Deer, WI
- Average humidity in May: 79%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Brown Deer, WI
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in May
Brown Deer, WI
- Average rainfall days in May: 15.2 days
The months with the highest number of rainy days are May, June and July (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in May
Brown Deer, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Brown Deer, WI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Brown Deer, WI
- Average daylight in May: 14h and 42min
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 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Brown Deer, WI
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in May
Brown Deer, 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
Brown Deer, WI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Brown Deer, WI
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
