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 brings a clear temperature shift, with the average high-temperature decreasing from a wintry 41°F (5°C) in November to a freezing cold 26.1°F (-3.3°C). In December, the nighttime temperature in Saint Charles lowers to an average of 15.8°F (-9°C).Humidity
In Saint Charles, Minnesota, the average relative humidity in December is 88%.Rainfall
In Saint Charles, in December, during 2.9 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Saint Charles, during the entire year, the rain falls for 122.7 days and collects up to 24.06" (611mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Saint Charles. In December, it is snowing for 12.8 days. Throughout December, 3.5" (89mm) of snow is accumulated. Throughout the year, there are 59.2 snowfall days, and 21.65" (550mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:23 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine 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 in Saint Charles. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is it in Saint Charles in December?
What is the average humidity in December in Saint Charles?
How much does it rain in Saint Charles in December?
How many days does it snow in December in Saint Charles?
What is the month with the shortest days in Saint Charles?
What is the average length of the day in December in Saint Charles?
When is the sunrise / sunset in December in Saint Charles?
How many hours of sunshine does Saint Charles have in December?
What is the month with the lowest UV index in Saint Charles?
How high is the UV index in December in Saint Charles?
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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