December weather forecastLengby, MN
December
Weather in December
December, the first month of the winter in Lengby, is still a freezing cold month, with an average temperature ranging between min 8.1°F (-13.3°C) and max 19.6°F (-6.9°C).Temperature
December brings with it a considerable temperature decrease, with average high-temperatures dropping from November's icy 34.5°F (1.4°C) to a subzero cold 19.6°F (-6.9°C). An average low-temperature of 8.1°F (-13.3°C) marks the nights throughout December.Humidity
The average relative humidity in December is 91%.Rainfall
In Lengby, in December, during 2.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Lengby, during the entire year, the rain falls for 110.6 days and collects up to 19.45" (494mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 20.2 days and accumulates 6.65" (169mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 7:50 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:41 pm CST.
Sunshine
In Lengby, the average sunshine in December is 2.7h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lengby, MN
- Average high temperature in December: 19.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (14.7°F).
- Average low temperature in December: 8.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in December
Lengby, MN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Lengby, MN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is October (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in December
Lengby, MN
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Lengby, MN
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Lengby, MN
- Average rainfall days in December: 2.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Lengby, MN
- Average snowfall in December: 6.65"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lengby, MN
- Average snowfall days in December: 20.2 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lengby, MN
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in December
Lengby, MN
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is August (17.8 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Lengby, 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, October, November and December (UV index 1).
Average cloud cover in December
Lengby, MN
- Average cloud cover in December: 74
The months with the most cloud cover are January and February (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Lengby, MN
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





