May weather forecastSinsinawa, WI
May
Weather in May
The last month of the spring, May, is an enjoyable month in Sinsinawa, Wisconsin, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 67.3°F (19.6°C).Temperature
An increase in the average high-temperature marks May, moving from April's refreshing 55.9°F (13.3°C) to a comfortable 67.3°F (19.6°C). In Sinsinawa, the average temperature during the nights of May drops to a fresh 50.2°F (10.1°C).Humidity
In May, the average relative humidity is 81%.Rainfall
In May, the rain falls for 18.9 days. Throughout May, 3.62" (92mm) of precipitation is accumulated. In Sinsinawa, during the entire year, the rain falls for 139 days and collects up to 28.9" (734mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Sinsinawa aggregates 0.08" (2mm) of snow. In Sinsinawa, during the entire year, snow falls for 44.5 days and aggregates up to 18.07" (459mm) of snow.Daylight
In May, the average length of the day is 14h and 38min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:32 pm CDT.
Sunshine
The average sunshine in May is 8.1h.UV index
The months with the highest UV index in Sinsinawa are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sinsinawa, WI
- Average high temperature in May: 67.3°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 (25°F).
- Average low temperature in May: 50.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in May
Sinsinawa, WI
- Average pressure in May: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Sinsinawa, WI
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Sinsinawa, WI
- Average humidity in May: 81%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Sinsinawa, WI
- Average rainfall in May: 3.62"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in May
Sinsinawa, WI
- Average rainfall days in May: 18.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Sinsinawa, WI
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sinsinawa, WI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sinsinawa, WI
- Average daylight in May: 14h and 36min
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 6min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Sinsinawa, WI
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in May
Sinsinawa, WI
- Average UV index in May: 5
The months with the highest UV index are May, 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
Sinsinawa, WI
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Sinsinawa, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).





