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
As Mahtomedi steps into December, the average high-temperature decreases significantly from the a cold 40.1°F (4.5°C) of November to a freezing cold 24.8°F (-4°C). In December, Mahtomedi experiences a temperature dip to an average of 14.9°F (-9.5°C) at night.Humidity
In Mahtomedi, the average relative humidity in December is 88%.Rainfall
In Mahtomedi, in December, during 3.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Mahtomedi, during the entire year, the rain falls for 117 days and collects up to 21.57" (548mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Mahtomedi is December, when snow falls for 12 days and typically aggregates up to 5" (127mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:30 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:40 pm CST.
Sunshine
In Mahtomedi, the average sunshine in December is 3.3h.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 low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 1 in December transforms into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Mahtomedi in December?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most in Mahtomedi?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mahtomedi have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mahtomedi, MN
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in December
Mahtomedi, MN
- Average pressure in December: 30.1"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
Mahtomedi, 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 (6.6mph).
Average humidity in December
Mahtomedi, 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 and May (72%).
Average rainfall in December
Mahtomedi, MN
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Mahtomedi, MN
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is June (16.5 days).
The months with the least rainy days are January and February (2.2 days).
Average snowfall in December
Mahtomedi, MN
- Average snowfall in December: 5"
The month with the highest snowfall is December (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mahtomedi, MN
- Average snowfall days in December: 12 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
Mahtomedi, MN
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Mahtomedi, MN
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in December
Mahtomedi, 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
Mahtomedi, MN
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Mahtomedi, 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).
Mahtomedi, Minnesota, USA
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