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
May's arrival brings a change in high-temperatures, moving from a cool 53.1°F (11.7°C) in April to an enjoyable 65.7°F (18.7°C). Throughout the month of May, West Salem observes an average nighttime temperature of 47.7°F (8.7°C).Humidity
In May, the average relative humidity is 80%.Rainfall
In May, in West Salem, Wisconsin, the rain falls for 17.2 days. Throughout May, 3.46" (88mm) of precipitation is accumulated. Throughout the year, there are 133.6 rainfall days, and 27.36" (695mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, West Salem aggregates 0.12" (3mm) of snow. In West Salem, during the entire year, snow falls for 58 days and aggregates up to 22.56" (573mm) of snow.Daylight
In May, the average length of the day is 14h and 46min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:07 pm. On the last day of May, sunrise is at 5:24 am and sunset at 8:39 pm CDT.
Sunshine
In West Salem, the average sunshine in May is 8.3h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in West Salem in May?
What is the last month it snows?
How many hours of daylight does West Salem have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
West Salem, WI
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in May
West Salem, WI
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
West Salem, WI
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
West Salem, WI
- Average humidity in May: 80%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in May
West Salem, WI
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in May
West Salem, WI
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
West Salem, WI
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
West Salem, WI
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
West Salem, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
West Salem, WI
- Average sunshine days in May: 12 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in May
West 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, February, November and December (UV index 1).
Average cloud cover in May
West Salem, WI
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
West Salem, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
West Salem, Wisconsin, USA
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