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
The arrival of May sees a shift in the average high-temperature, moving from a cool 51.4°F (10.8°C) in April to a refreshing 64.6°F (18.1°C). Spring Valley observes an average nighttime low-temperature of 47.1°F (8.4°C) during the month of May.Humidity
The average relative humidity in May is 78%.Rainfall
In Spring Valley, in May, during 16.1 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Spring Valley, Wisconsin, during the entire year, the rain falls for 128.4 days and collects up to 25" (635mm) of precipitation.Snowfall
Months with snowfall in Spring Valley, Wisconsin, are January through May, October through December. May is the last month it regularly snows in Spring Valley. During 0.6 snowfall days, in May, Spring Valley aggregates 0.59" (15mm) of snow. In Spring Valley, during the entire year, snow falls for 61.1 days and aggregates up to 22.72" (577mm) of snow.Daylight
In Spring Valley, the average length of the day in May is 14h and 52min.On the first day of May in Spring Valley, sunrise is at 5:57 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:47 pm CDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Spring Valley?
What is the average humidity in May in Spring Valley?
How many days does it rain in May in Spring Valley?
What is the last month it snows in Spring Valley?
How many hours of daylight does Spring Valley have in May?
When are sunrise and sunset in May in Spring Valley?
How long on average sun shines in May in Spring Valley?
What is the UV index intensity in May in Spring Valley?
Average temperature in May
Spring Valley, WI
- Average high temperature in May: 64.6°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 (19.2°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in May
Spring Valley, WI
- Average pressure in May: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Spring Valley, WI
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Spring Valley, WI
- Average humidity in May: 78%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in May
Spring Valley, WI
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Spring Valley, WI
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in May
Spring Valley, WI
- Average snowfall in May: 0.59"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Spring Valley, WI
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Spring 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: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Spring Valley, WI
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in May
Spring Valley, WI
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Spring Valley, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Spring Valley, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, October and November (6mi).
The month with the lowest visibility is January (4mi).
Spring Valley, Wisconsin, USA
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