December weather forecastForest Lake, MN
December
Weather in December
December, the first month of the winter in Forest Lake, is also a subzero cold month, with temperature in the range of an average high of 24.1°F (-4.4°C) and an average low of 14.2°F (-9.9°C).Temperature
With the beginning of December, Forest Lake's average high-temperature experiences a significant decrease, moving from a cold 39.2°F (4°C) in November to a subzero cold 24.1°F (-4.4°C). During the month of December, an average temperature of 14.2°F (-9.9°C) is noted during the nights.Humidity
The average relative humidity in December is 88%.Rainfall
In Forest Lake, during December, the rain falls for 2.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 120.2 rainfall days, and 21.46" (545mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 13.5 days and accumulates 5.47" (139mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:31 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:39 pm CST.
Sunshine
In Forest Lake, the average sunshine in December is 3.3h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Forest Lake, MN
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in December: 14.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in December
Forest Lake, MN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Forest Lake, MN
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Forest Lake, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Forest Lake, MN
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Forest Lake, MN
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Forest Lake, MN
- Average snowfall in December: 5.47"
The month with the highest snowfall is December (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Forest Lake, MN
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Forest Lake, MN
- Average daylight in December: 8h and 48min
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 December: 3h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Forest Lake, MN
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Forest Lake, MN
- 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
Forest Lake, MN
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Forest Lake, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





