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 average high-temperature decreases from a wintry 34.9°F (1.6°C) in November to a subzero cold 20.7°F (-6.3°C). In December, Swatara reports a consistent average low-temperature of 9.3°F (-12.6°C) during the nights.Humidity
The average relative humidity in December is 90%.Rainfall
In Swatara, during December, the rain falls for 2.6 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Swatara, during the entire year, the rain falls for 113.8 days and collects up to 18.94" (481mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 19.9 days and accumulates 7.2" (183mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:40 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:36 pm CST.
Sunshine
The average sunshine in December in Swatara is 2.4h.UV index
The months with the lowest UV index in Swatara are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 during December leads to these advisories:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Swatara?
What is the average humidity in December in Swatara?
How many days does it rain in December in Swatara?
When does it snow the most in Swatara?
How much does it snow in Swatara in December?
What is the month with the shortest days in Swatara?
How many hours of daylight does Swatara have in December?
What time are sunrise and sunset in December in Swatara?
How many hours of sunshine does Swatara have in December?
What are the months with the lowest UV index in Swatara?
How high is the UV index in December in Swatara?
Average temperature in December
Swatara, MN
- Average high temperature in December: 20.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (15.8°F).
- Average low temperature in December: 9.3°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (1.4°F).
Average pressure in December
Swatara, MN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Swatara, MN
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Swatara, MN
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Swatara, MN
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in December
Swatara, MN
- Average rainfall days in December: 2.6 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Swatara, MN
- Average snowfall in December: 7.2"
The month with the highest snowfall is December (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Swatara, MN
- Average snowfall days in December: 19.9 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Swatara, MN
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Swatara, MN
- Average sunshine days in December: 12.3 days
The months with the most sunshine days are August and September (16.5 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in December
Swatara, 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
Swatara, MN
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Swatara, MN
- Average visibility in December: 4mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Swatara, Minnesota, USA
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