May weather forecastAthelstane, WI
May
Weather in May
The last month of the spring, May, is a refreshing month in Athelstane, Wisconsin, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 43.5°F (6.4°C).Temperature
Athelstane experiences a clear temperature upsurge in May, with average high-temperatures moving from a chilly 48.7°F (9.3°C) in April to a refreshing 63.9°F (17.7°C). An average temperature of 43.5°F (6.4°C) marks the nights in May.Humidity
May is the least humid month, with an average relative humidity of 73%.Rainfall
In Athelstane, in May, it is raining for 15.9 days, with typically 2.56" (65mm) of accumulated precipitation. In Athelstane, during the entire year, the rain falls for 122.9 days and collects up to 21.34" (542mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Athelstane aggregates 0.08" (2mm) of snow. Throughout the year, there are 66.5 snowfall days, and 28.9" (734mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 55min.On the first day of May, sunrise is at 5:39 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:33 pm CDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In Athelstane, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 4 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Athelstane, WI
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in May: 43.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Athelstane, WI
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Athelstane, WI
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Athelstane, WI
- Average humidity in May: 73%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (73%).
Average rainfall in May
Athelstane, WI
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and February (0.87").
Average rainfall days in May
Athelstane, WI
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Athelstane, WI
- Average snowfall in May: 0.08"
The month with the highest snowfall is December (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Athelstane, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Athelstane, WI
- Average daylight in May: 14h and 54min
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 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in May
Athelstane, WI
- Average sunshine days in May: 13.3 days
The months with the most sunshine days are September and December (16.9 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in May
Athelstane, 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, March and November (UV index 1).
Average cloud cover in May
Athelstane, WI
- Average cloud cover in May: 42
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Athelstane, 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, February, March, July, August, September and December (5mi).





