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
Salem sees a rise in temperature during May, with average high-temperatures transitioning from a fresh 53.2°F (11.8°C) in April to an enjoyable 65.1°F (18.4°C). In May, Salem experiences a temperature dip to an average of 48.7°F (9.3°C) at night.Humidity
In May, the average relative humidity is 80%.Rainfall
In Salem, during May, the rain falls for 17.1 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, in Salem, Wisconsin, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Salem. During 0.3 snowfall days, in May, Salem aggregates 0.08" (2mm) of snow. Throughout the year, in Salem, Wisconsin, there are 38.2 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
In May, the average length of the day in Salem is 14h and 38min.On the first day of the month, sunrise is at 5:45 am and sunset at 7:52 pm. On the last day of May, in Salem, sunrise is at 5:17 am and sunset at 8:22 pm CDT.
Sunshine
The average sunshine in May in Salem is 8.3h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Salem. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Salem?
What is the average humidity in May in Salem?
How many days does it rain in May in Salem?
What is the last month it snows in Salem?
What is the average length of the day in May in Salem?
When are sunrise and sunset in May in Salem?
How long on average sun shines in May in Salem?
What is the month with the highest UV index in Salem?
What is the UV index reading in May in Salem?
Average temperature in May
Salem, WI
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in May
Salem, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Salem, WI
- Average wind speed in May: 8.5mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Salem, WI
- Average humidity in May: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Salem, WI
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in May
Salem, WI
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in May
Salem, WI
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Salem, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Salem, WI
- Average daylight in May: 14h and 4min
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 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in May
Salem, WI
- Average sunshine days in May: 11.1 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in May
Salem, 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 and December (UV index 1).
Average cloud cover in May
Salem, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in May
Salem, WI
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Salem, Wisconsin, USA
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