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 shift into December in Roseau brings a noticeable decrease in the average high-temperature, falling from a cold 32.7°F (0.4°C) in November to a subzero cold 17.8°F (-7.9°C). December nights are marked by an average low-temperature of 7.7°F (-13.5°C).Humidity
In Roseau, Minnesota, the average relative humidity in December is 91%.Rainfall
In Roseau, in December, during 2.6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 105.7 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
Months with snowfall in Roseau are January through May, October through December. December is the month with the most snowfall in Roseau, Minnesota. Snow falls for 16.2 days and accumulates 5" (127mm) of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:55 am and sunset at 4:28 pm. On the last day of December, sunrise is at 8:16 am and sunset at 4:36 pm CST.
Sunshine
In December, the average sunshine is 2.5h.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Roseau in December?
What is the average humidity in December in Roseau?
How many days does it rain in December in Roseau?
When does it snow the most in Roseau?
How much does it snow in Roseau in December?
What is the month with the shortest days in Roseau?
How many hours of daylight does Roseau have in December?
When is the sunrise / sunset in December in Roseau?
How long on average sun shines in December in Roseau?
What are the months with the lowest UV index in Roseau?
What is the UV index reading in December in Roseau?
Average temperature in December
Roseau, MN
- Average high temperature in December: 17.8°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (13.5°F).
- Average low temperature in December: 7.7°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in December
Roseau, MN
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Roseau, MN
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is October (9.1mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in December
Roseau, MN
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Roseau, MN
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in December
Roseau, MN
- Average rainfall days in December: 2.6 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in December
Roseau, 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
Roseau, MN
- Average snowfall days in December: 16.2 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Roseau, MN
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 2h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in December
Roseau, MN
- Average sunshine days in December: 16 days
The month with the most sunshine days is August (17.1 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Roseau, MN
- Average UV index in December: 1
The months with the highest UV index are 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
Roseau, MN
- Average cloud cover in December: 76
The months with the most cloud cover are January and February (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Roseau, MN
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Roseau, Minnesota, USA
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