May weather forecastSaint Francis, WI
May
Weather in May
The last month of the spring, May, is a refreshing month in Saint Francis, Wisconsin, with an average temperature varying between 47.8°F (8.8°C) and 59.2°F (15.1°C).Temperature
The transition from April to May brings a temperature rise, with average high-temperatures increasing from a chilly 48.7°F (9.3°C) to a refreshing 59.2°F (15.1°C). Nighttime temperature dips to a mean of 47.8°F (8.8°C) during May.Humidity
In May, the average relative humidity is 79%.Rainfall
In Saint Francis, in May, it is raining for 14.3 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 131.9 rainfall days, and 18.54" (471mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 40min.On the first day of the month, sunrise is at 5:44 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:23 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In Saint Francis, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding the Sun during its peak radiation time around midday is a healthy practice. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Francis, WI
- Average high temperature in May: 59.2°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Saint Francis, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Saint Francis, WI
- Average wind speed in May: 9.5mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in May
Saint Francis, WI
- Average humidity in May: 79%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Saint Francis, WI
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in May
Saint Francis, WI
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
Saint Francis, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Saint Francis, WI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Saint Francis, WI
- Average daylight in May: 14h and 42min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Saint Francis, WI
- Average sunshine days in May: 14 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in May
Saint Francis, WI
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Saint Francis, WI
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in May
Saint Francis, 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).
