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
In December, the meteorological conditions markedly change with the average high-temperature descending from a wintry 40.1°F (4.5°C) in November to a subzero cold 25.5°F (-3.6°C). During the nights in December, an average low-temperature of 15.4°F (-9.2°C) is observed.Humidity
The average relative humidity in December is 88%.Rainfall
In Rosemount, Minnesota, in December, it is raining for 2.3 days, with typically 0.28" (7mm) of accumulated precipitation. In Rosemount, during the entire year, the rain falls for 62.1 days and collects up to 4.88" (124mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Rosemount, Minnesota, during December, snow falls for 6.6 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, there are 33.4 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:41 pm CST.
Sunshine
In December, the average sunshine is 3.5h.UV index
In Rosemount, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. 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. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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 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 long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Rosemount, MN
- Average high temperature in December: 25.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in December
Rosemount, MN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Rosemount, MN
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Rosemount, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April, May and October (72%).
Average rainfall in December
Rosemount, MN
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is June (0.79").
The driest month (with the least rainfall) is January (0.16").
Average rainfall days in December
Rosemount, MN
- Average rainfall days in December: 2.3 days
The month with the highest number of rainy days is June (9.5 days).
The month with the least rainy days is February (0.8 days).
Average snowfall in December
Rosemount, MN
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rosemount, MN
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rosemount, MN
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 3min
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 6min).
Average sunshine days in December
Rosemount, MN
- Average sunshine days in December: 25.4 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is June (17.8 days).
Average UV index in December
Rosemount, MN
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Rosemount, MN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Rosemount, 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).
Rosemount, Minnesota, USA
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