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 arrival of December brings a distinct temperature shift, with the average high-temperature dropping from a cold 37.6°F (3.1°C) in November to a subzero cold 22.3°F (-5.4°C). The average nighttime temperature lowers to an extreme cold 12°F (-11.1°C) throughout December.Humidity
In Swanville, the average relative humidity in December is 88%.Rainfall
In Swanville, during December, the rain falls for 1.9 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Swanville, Minnesota, during the entire year, the rain falls for 92.5 days and collects up to 12.68" (322mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 11.5 days and typically aggregates up to 3.39" (86mm) of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:40 am and sunset at 4:35 pm. On the last day of December, sunrise is at 8:00 am and sunset at 4:43 pm CST.
Sunshine
In December, the average sunshine is 3.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Swanville have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Swanville have in December?
When is the lowest UV index?
What is the UV index intensity in December in Swanville?
Average temperature in December
Swanville, MN
- Average high temperature in December: 22.3°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 (17.8°F).
- Average low temperature in December: 12°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in December
Swanville, 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 (29.87"Hg).
Average wind speed in December
Swanville, MN
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in December
Swanville, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Swanville, MN
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
Swanville, MN
- Average rainfall days in December: 1.9 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (0.9 days).
Average snowfall in December
Swanville, MN
- Average snowfall in December: 3.39"
The month with the highest snowfall is December (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Swanville, MN
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Swanville, MN
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Swanville, MN
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in December
Swanville, MN
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Swanville, MN
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Swanville, 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).
Swanville, Minnesota, USA
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