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
Witnessing a clear downswing, the average high-temperature during December drops from November's wintry 41.4°F (5.2°C) to a subzero cold 25.5°F (-3.6°C). During December nights, Westbrook witnesses a consistent average temperature of 14.5°F (-9.7°C).Humidity
In Westbrook, the average relative humidity in December is 85%.Rainfall
In Westbrook, in December, during 4.5 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 113.2 rainfall days, and 22.2" (564mm) of precipitation is accumulated.Snowfall
Months with snowfall in Westbrook are January through May, October through December. In Westbrook, during December, snow falls for 12.2 days and regularly aggregates up to 5.2" (132mm) of snow. In Westbrook, during the entire year, snow falls for 56.8 days and aggregates up to 26.69" (678mm) of snow.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 7:37 am and sunset at 4:44 pm. On the last day of December, in Westbrook, sunrise is at 7:56 am and sunset at 4:53 pm CST.
Sunshine
In December, the average sunshine is 3.9h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Westbrook have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Westbrook, MN
- Average high temperature in December: 25.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 14.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in December
Westbrook, MN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Westbrook, MN
- Average wind speed in December: 10.8mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Westbrook, MN
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Westbrook, MN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Westbrook, MN
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Westbrook, MN
- Average snowfall in December: 5.2"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Westbrook, MN
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is December (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westbrook, MN
- 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Westbrook, MN
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in December
Westbrook, MN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Westbrook, MN
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in December
Westbrook, MN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Westbrook, Minnesota, USA
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