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 brings an increase in the average high-temperature, progressing from a cool 50.4°F (10.2°C) in April to an enjoyable 64.4°F (18°C). Junction encounters an average low-temperature of 45.7°F (7.6°C) during May nights.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 77%.Rainfall
In Junction, during May, the rain falls for 17.8 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 128.3 rainfall days, and 25.75" (654mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Junction aggregates 0.39" (10mm) of snow. Throughout the year, there are 66.9 snowfall days, and 28.31" (719mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 52min.On the first day of May, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:42 pm CDT.
Sunshine
In May, the average sunshine 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 moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What are the least humid months?
What is the average humidity in May?
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?
What time are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index in Junction?
What is the UV index reading in May?
Average temperature in May
Junction, WI
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in May: 45.7°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (5.9°F).
Average pressure in May
Junction, WI
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Junction, WI
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Junction, WI
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in May
Junction, WI
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in May
Junction, WI
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in May
Junction, WI
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Junction, WI
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Junction, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in May
Junction, WI
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in May
Junction, 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
Junction, WI
- Average cloud cover in May: 46
The months with the most cloud cover are January and February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Junction, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Junction, Wisconsin, USA
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