May weather forecastMellen, WI
May
Weather in May
The last month of the spring, May, is a refreshing month in Mellen, Wisconsin, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 43°F (6.1°C).Temperature
The start of May signals a clear increase in the average high-temperature, soaring from a chilly 45.9°F (7.7°C) in April to an enjoyable 60.8°F (16°C). An average low-temperature of 43°F (6.1°C) marks the month of May.Humidity
May is the least humid month, with an average relative humidity of 72%.Rainfall
The month with the most rainfall is May, when the rain falls for 14.9 days and typically aggregates up to 2.48" (63mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.9 snowfall days, in May, Mellen aggregates 1.89" (48mm) of snow. Throughout the year, there are 118.3 snowfall days, and 50.83" (1291mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 1min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:12 pm. On the last day of May, sunrise is at 5:14 am and sunset at 8:46 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In Mellen, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during May translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mellen, WI
- Average high temperature in May: 60.8°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in May: 43°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in May
Mellen, WI
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Mellen, WI
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is November (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in May
Mellen, WI
- Average humidity in May: 72%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in May
Mellen, WI
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and February (1.22").
Average rainfall days in May
Mellen, WI
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in May
Mellen, WI
- Average snowfall in May: 1.89"
The month with the highest snowfall is December (10.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mellen, WI
- Average snowfall days in May: 1.9 days
The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mellen, WI
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in May
Mellen, WI
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in May
Mellen, 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, November and December (UV index 1).
Average cloud cover in May
Mellen, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Mellen, WI
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
