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
Observing a rise in May, the average high-temperature goes from April's frosty 49.6°F (9.8°C) to a refreshing 63.9°F (17.7°C). Throughout May nights, Green Valley registers an average low-temperature of 44.8°F (7.1°C).Humidity
April and May, with an average relative humidity of 75%, are the least humid months in Green Valley.Rainfall
The month with the most rainfall in Green Valley is May, when the rain falls for 16.3 days and typically aggregates up to 2.95" (75mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Green Valley aggregates 0.31" (8mm) of snow. In Green Valley, Wisconsin, during the entire year, snow falls for 69.2 days and aggregates up to 26.14" (664mm) of snow.Daylight
In May, the average length of the day is 14h and 51min.On the first day of the month, sunrise is at 5:41 am and sunset at 7:58 pm. On the last day of May, in Green Valley, sunrise is at 5:10 am and sunset at 8:31 pm CDT.
Sunshine
In May, the average sunshine is 9h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Green Valley?
What is the least humid month in Green Valley?
What is the average humidity in May in Green Valley?
What is the rainiest month in Green Valley?
How many days does it rain in May in Green Valley?
What is the last month it snows in Green Valley?
How many hours of daylight does Green Valley have in May?
What time are sunrise and sunset in May in Green Valley?
How many hours of sunshine does Green Valley have in May?
What is the UV index reading in May in Green Valley?
Average temperature in May
Green Valley, WI
- Average high temperature in May: 63.9°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 (22.6°F).
- Average low temperature in May: 44.8°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Green Valley, WI
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Green Valley, WI
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Green Valley, WI
- Average humidity in May: 75%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in May
Green Valley, WI
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in May
Green Valley, WI
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in May
Green Valley, WI
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Green Valley, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Green Valley, 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: 9h and 0min
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 30min).
Average sunshine days in May
Green Valley, WI
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in May
Green Valley, 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 and March (UV index 1).
Average cloud cover in May
Green Valley, WI
- Average cloud cover in May: 41
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Green Valley, 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).
Green Valley, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location