May weather forecastDellwood, WI
May
Weather in May
The last month of the spring, May, is a refreshing month in Dellwood, Wisconsin, with an average temperature ranging between min 47.8°F (8.8°C) and max 65.7°F (18.7°C).Temperature
The arrival of May signals an increase in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in April to a refreshing 65.7°F (18.7°C). In the month of May, an average of 47.8°F (8.8°C) marks the low-temperature.Humidity
The average relative humidity in May is 78%.Rainfall
In Dellwood, in May, it is raining for 16.5 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, in Dellwood, there are 129.4 rainfall days, and 26.3" (668mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Dellwood aggregates 0.08" (2mm) of snow. In Dellwood, during the entire year, snow falls for 55 days and aggregates up to 21.77" (553mm) of snow.Daylight
In Dellwood, the average length of the day in May is 14h and 46min.On the first day of May, sunrise is at 5:50 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:35 pm CDT.
Sunshine
In Dellwood, the average sunshine in May is 8.6h.UV index
In Dellwood, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in May translates into this advice:
Exercise prevention - Warding off sunburn is urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dellwood, WI
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Dellwood, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Dellwood, WI
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Dellwood, WI
- Average humidity in May: 78%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Dellwood, WI
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in May
Dellwood, WI
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in May
Dellwood, WI
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Dellwood, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dellwood, WI
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Dellwood, WI
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in May
Dellwood, WI
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Dellwood, WI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Dellwood, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
