May weather forecastSpring Green, WI
May
Weather in May
The last month of the spring, May, is a comfortable month in Spring Green, Wisconsin, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 66°F (18.9°C).Temperature
The shift from April to May is marked by an increase in the average high-temperature, moving from a cool 54°F (12.2°C) to an enjoyable 66°F (18.9°C). May nights in Spring Green observe an average temperature dip to a chilly 47.8°F (8.8°C).Humidity
In May, the average relative humidity in Spring Green is 81%.Rainfall
In May, in Spring Green, the rain falls for 15.7 days. Throughout May, 2.05" (52mm) of precipitation is accumulated. In Spring Green, during the entire year, the rain falls for 122.9 days and collects up to 17.76" (451mm) of precipitation.Snowfall
In Spring Green, snow does not fall in May through September.Daylight
The average length of the day in May in Spring Green is 14h and 41min.On the first day of May in Spring Green, sunrise is at 5:52 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:32 pm CDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In Spring Green, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during May leads to these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Spring Green, WI
- Average high temperature in May: 66°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in May
Spring Green, WI
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Spring Green, WI
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Spring Green, WI
- Average humidity in May: 81%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Spring Green, WI
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in May
Spring Green, WI
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in May
Spring Green, WI
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Spring Green, WI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (13 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 Green, 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 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Spring Green, WI
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in May
Spring Green, 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
Spring Green, WI
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in May
Spring Green, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
