December weather forecastIron Junction, MN
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Iron Junction, Minnesota, with an average temperature varying between 7.7°F (-13.5°C) and 19.9°F (-6.7°C).Temperature
A subtle decrease in the average high-temperature marks December, falling from November's wintry 34.2°F (1.2°C) to a subzero cold 19.9°F (-6.7°C). In December, Iron Junction encounters an average low-temperature of 7.7°F (-13.5°C) during the night.Humidity
The average relative humidity in December in Iron Junction is 92%.Rainfall
In Iron Junction, in December, during 3.4 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 123.8 rainfall days, and 22.24" (565mm) of precipitation is accumulated.Snowfall
Months with snowfall in Iron Junction are January through May, October through December. December is the month with the most snowfall in Iron Junction. Snow falls for 20.7 days and accumulates 8.74" (222mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Iron Junction.On the first day of December, sunrise is at 7:37 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:29 pm CST.
Sunshine
In Iron Junction, Minnesota, the average sunshine in December is 2.3h.UV index
The months with the lowest UV index in Iron Junction, Minnesota, are January through March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Iron Junction, MN
- Average high temperature in December: 19.9°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 (14.4°F).
- Average low temperature in December: 7.7°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in December
Iron Junction, MN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Iron Junction, MN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Iron Junction, MN
- Average humidity in December: 92%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Iron Junction, MN
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are January and February (0.91").
Average rainfall days in December
Iron Junction, MN
- Average rainfall days in December: 3.4 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in December
Iron Junction, MN
- Average snowfall in December: 8.74"
The month with the highest snowfall is December (8.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Iron Junction, MN
- Average snowfall days in December: 20.7 days
The month with the highest number of snowfall days is January (21 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Iron Junction, MN
- Average daylight in December: 8h and 30min
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 30min).
- Average sunshine in December: 2h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in December
Iron Junction, MN
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in December
Iron Junction, MN
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Iron Junction, MN
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Iron Junction, MN
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
