Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, Dellwood's average high-temperature adjusts, receding from November's wintry 41.4°F (5.2°C) to a freezing cold 28°F (-2.2°C). During December, Dellwood's temperature averages to 18°F (-7.8°C) at night.Humidity
In December, the average relative humidity is 85%.Rainfall
In Dellwood, in December, it is raining for 5 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, 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. In Dellwood, in December, snow falls for 11.9 days, with typically accumulated 4.45" (113mm) of snow. Throughout the year, there are 55 snowfall days, and 21.77" (553mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:15 am and sunset at 4:23 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:31 pm CST.
Sunshine
In December, the average sunshine is 3.6h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Dellwood?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Dellwood have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Dellwood, WI
- Average high temperature in December: 28°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 December: 18°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 December
Dellwood, WI
- Average pressure in December: 30.09"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 December
Dellwood, WI
- Average wind speed in December: 9.4mph
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 December
Dellwood, WI
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Dellwood, WI
- Average rainfall in December: 1.46"
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 December
Dellwood, WI
- Average rainfall days in December: 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 December
Dellwood, WI
- Average snowfall in December: 4.45"
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 December
Dellwood, WI
- Average snowfall days in December: 11.9 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 December /
Average sunshine in December
Dellwood, WI
- Average daylight in December: 9h and 0min
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 December: 3h and 4min
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 December
Dellwood, WI
- Average sunshine days in December: 16.3 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 December
Dellwood, WI
- Average UV index in December: 1
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 December
Dellwood, WI
- Average cloud cover in December: 65
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 December
Dellwood, WI
- Average visibility in December: 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).
Dellwood, Wisconsin, USA
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