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
The onset of December witnesses a clear shift in the average high-temperature, dropping from a cold 41.4°F (5.2°C) in November to a subzero cold 26.1°F (-3.3°C). December witnesses an average low-temperature hovering around a still freezing cold 15.4°F (-9.2°C).Humidity
In Mountain Lake, the average relative humidity in December is 86%.Rainfall
In Mountain Lake, in December, during 3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 107.8 rainfall days, and 15.87" (403mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 10.6 days. Throughout December, 2.95" (75mm) of snow is accumulated. Throughout the year, there are 47.6 snowfall days, and 14.41" (366mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:54 am and sunset at 4:52 pm CST.
Sunshine
In Mountain Lake, the average sunshine in December is 3.9h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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 Mountain Lake?
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?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Mountain Lake, MN
- Average high temperature in December: 26.1°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 (21°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in December
Mountain Lake, MN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Mountain Lake, MN
- Average wind speed in December: 10.4mph
The windiest months (with the highest average wind speed) are January and February (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Mountain Lake, MN
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Mountain Lake, MN
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Mountain Lake, MN
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in December
Mountain Lake, MN
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mountain Lake, MN
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mountain Lake, 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
Mountain Lake, MN
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Mountain Lake, MN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Mountain Lake, MN
- Average cloud cover in December: 59
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
Mountain Lake, MN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Mountain Lake, Minnesota, USA
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