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
With the beginning of May, Rib Mountain's average high-temperature experiences a significant increase, moving from a frosty 49.1°F (9.5°C) in April to a comfortable 63.5°F (17.5°C). Rib Mountain records a mean low-temperature of 45°F (7.2°C) in May.Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 16.2 days. Throughout May, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 118.3 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Rib Mountain aggregates 0.71" (18mm) of snow. In Rib Mountain, during the entire year, snow falls for 77.8 days and aggregates up to 24.09" (612mm) of snow.Daylight
The average length of the day in May is 14h and 52min.On the first day of May, sunrise is at 5:46 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:37 pm CDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Rib Mountain in May?
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?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Rib Mountain, WI
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in May
Rib Mountain, 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 (29.9"Hg).
Average wind speed in May
Rib Mountain, WI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in May
Rib Mountain, WI
- Average humidity in May: 77%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Rib Mountain, WI
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Rib Mountain, WI
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in May
Rib Mountain, WI
- Average snowfall in May: 0.71"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Rib Mountain, WI
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rib Mountain, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
Rib Mountain, WI
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Rib Mountain, WI
- Average UV index in May: 4
The months with the highest UV index are 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
Rib Mountain, WI
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in May
Rib Mountain, 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).
Rib Mountain, Wisconsin, USA
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