December weather forecastMiddle River, MN
December
Weather in December
December, the first month of the winter in Middle River, is also a subzero cold month, with an average temperature ranging between min 7.5°F (-13.6°C) and max 18.5°F (-7.5°C).Temperature
December signals a significant shift in the average high-temperature, falling from November's cold 34.3°F (1.3°C) to a freezing cold 18.5°F (-7.5°C). Nighttime temperature dips to a mean of 7.5°F (-13.6°C) during December.Humidity
In December, the average relative humidity is 91%.Rainfall
In Middle River, during December, the rain falls for 2.5 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 104.3 rainfall days, and 18.39" (467mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 16.2 days and accumulates 5.24" (133mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:55 am and sunset at 4:31 pm. On the last day of December, sunrise is at 8:16 am and sunset at 4:39 pm CST.
Sunshine
In Middle River, the average sunshine in December is 2.8h.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 minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Middle River, MN
- Average high temperature in December: 18.5°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (13.8°F).
- Average low temperature in December: 7.5°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in December
Middle River, MN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Middle River, MN
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is October (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Middle River, MN
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and August (66%).
Average rainfall in December
Middle River, MN
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in December
Middle River, MN
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).
Average snowfall in December
Middle River, MN
- Average snowfall in December: 5.24"
The month with the highest snowfall is December (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Middle River, MN
- Average snowfall days in December: 16.2 days
The month with the highest number of snowfall days is December (16.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Middle River, MN
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Middle River, MN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Middle River, 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
Middle River, MN
- Average cloud cover in December: 72
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Middle River, MN
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).





