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 onset of May brings a rise in the average high-temperature, elevating from a frosty 43.9°F (6.6°C) in April to a moderate 56.5°F (13.6°C). The average low-temperature during May nights is a wintry 41.9°F (5.5°C).Humidity
With an average relative humidity of 75%, May is the least humid month.Rainfall
The months with the most rainfall are May and July, with an average 2.56" (65mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.9 snowfall days, in May, Sand Bay aggregates 0.91" (23mm) of snow. Throughout the year, there are 95.5 snowfall days, and 33.54" (852mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 5min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:50 pm CDT.
Sunshine
In May, the average sunshine 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 moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during May translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the least humid month?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Sand Bay, WI
- Average high temperature in May: 56.5°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in May: 41.9°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Sand Bay, WI
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Sand Bay, WI
- Average wind speed in May: 7.6mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in May
Sand Bay, WI
- Average humidity in May: 75%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Sand Bay, WI
- Average rainfall in May: 2.56"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in May
Sand Bay, WI
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in May
Sand Bay, WI
- Average snowfall in May: 0.91"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sand Bay, WI
- Average snowfall days in May: 0.9 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sand Bay, WI
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
Sand Bay, WI
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in May
Sand Bay, 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, November and December (UV index 1).
Average cloud cover in May
Sand Bay, WI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Sand Bay, WI
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Sand Bay, Wisconsin, USA
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