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 transition from April to May brings a temperature rise, with average high-temperatures increasing from a fresh 53.2°F (11.8°C) to an enjoyable 65.8°F (18.8°C). May witnesses an average nighttime temperature of 47.5°F (8.6°C) in Westby.Humidity
The average relative humidity in May in Westby is 80%.Rainfall
In May, in Westby, Wisconsin, the rain falls for 18.4 days. Throughout May, 3.54" (90mm) of precipitation is accumulated. In Westby, during the entire year, the rain falls for 136.1 days and collects up to 28.7" (729mm) of precipitation.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, Westby aggregates 0.16" (4mm) of snow. Throughout the year, in Westby, there are 60.1 snowfall days, and 25.24" (641mm) of snow is accumulated.Daylight
In May, the average length of the day in Westby, Wisconsin, is 14h and 44min.On the first day of May in Westby, Wisconsin, sunrise is at 5:54 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:37 pm CDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In Westby, Wisconsin, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What are the temperatures in Westby in May?
What is the average humidity in May in Westby?
How much does it rain in Westby in May?
What is the last month it snows in Westby?
How many hours of daylight does Westby have in May?
What time are sunrise and sunset in May in Westby?
How long on average sun shines in May in Westby?
How high is the UV index in May in Westby?
Average temperature in May
Westby, WI
- Average high temperature in May: 65.8°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: 47.5°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 (9°F).
Average pressure in May
Westby, 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
Westby, 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 (6.3mph).
Average humidity in May
Westby, WI
- Average humidity in May: 80%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (78%).
Average rainfall in May
Westby, WI
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is June (4.88").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in May
Westby, WI
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Westby, WI
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westby, WI
- Average snowfall days in May: 0.5 days
The months with the highest number of snowfall days are January and February (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Westby, WI
- Average daylight in May: 14h and 4min
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 month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Westby, 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 (9.3 days).
Average UV index in May
Westby, WI
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Westby, WI
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Westby, 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).
Westby, Wisconsin, USA
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