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
A shift in Saint Charles's weather is noticeable as November turns into December, with the average high temperature decreasing from an icy 41°F (5°C) to a freezing cold 26.1°F (-3.3°C). In the month of December, an average of 15.8°F (-9°C) marks the low-temperature.Humidity
The average relative humidity in December is 88%.Rainfall
In Saint Charles, Minnesota, in December, it is raining for 2.9 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 122.7 rainfall days, and 24.06" (611mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Saint Charles, in December, snow falls for 12.8 days, with typically accumulated 3.5" (89mm) of snow. In Saint Charles, Minnesota, during the entire year, snow falls for 59.2 days and aggregates up to 21.65" (550mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December in Saint Charles, sunrise is at 7:23 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:40 pm CST.
Sunshine
In Saint Charles, the average sunshine in December is 3.6h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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 much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Saint Charles have in December?
When are sunrise and sunset in December?
How long on average sun shines in December in Saint Charles?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Saint Charles, MN
- Average high temperature in December: 26.1°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 15.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in December
Saint Charles, MN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Saint Charles, MN
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Saint Charles, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Saint Charles, MN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (4.33").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Saint Charles, MN
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Saint Charles, MN
- Average snowfall in December: 3.5"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Saint Charles, MN
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Charles, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Saint Charles, MN
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Saint Charles, 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
Saint Charles, 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 33).
Average visibility in December
Saint Charles, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July and December (5mi).
Saint Charles, Minnesota, USA
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