December weather forecastBoy River, MN
December
Weather in December
December, the first month of the winter in Boy River, is still a freezing cold month, with temperature in the range of an average low of 10.6°F (-11.9°C) and an average high of 21.4°F (-5.9°C).Temperature
With December's arrival, Boy River sees a decrease in average high-temperatures, moving from a cold 35.2°F (1.8°C) in November to a subzero cold 21.4°F (-5.9°C). An average temperature of 10.6°F (-11.9°C) marks the nights in December.Humidity
In December, the average relative humidity is 90%.Rainfall
In Boy River, Minnesota, during December, the rain falls for 2.5 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 106.8 rainfall days, and 19.53" (496mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall in Boy River. Snow falls for 17.5 days and accumulates 8.03" (204mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December in Boy River, sunrise is at 7:42 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:36 pm CST.
Sunshine
In Boy River, Minnesota, the average sunshine in December is 2.4h.UV index
The months with the lowest UV index in Boy River are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Boy River, MN
- Average high temperature in December: 21.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (16.5°F).
- Average low temperature in December: 10.6°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 (2.3°F).
Average pressure in December
Boy River, 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 (29.87"Hg).
Average wind speed in December
Boy River, MN
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are April and October (7.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Boy River, MN
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Boy River, MN
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Boy River, MN
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in December
Boy River, MN
- Average snowfall in December: 8.03"
The month with the highest snowfall is December (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Boy River, MN
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Boy River, MN
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 2h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in December
Boy River, MN
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is August (17.8 days).
The month with the least sunshine days is March (12.2 days).
Average UV index in December
Boy 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
Boy River, MN
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Boy River, MN
- Average visibility in December: 4mi
The months with the highest visibility are May, June, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
