December weather forecastOnamia, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Onamia, Minnesota, with an average temperature fluctuating between 11.8°F (-11.2°C) and 22.3°F (-5.4°C).Temperature
A decrease in the average high-temperature marks December, falling from November's icy 37°F (2.8°C) to a subzero cold 22.3°F (-5.4°C). During the nights in December, an average low-temperature of 11.8°F (-11.2°C) is observed.Humidity
The average relative humidity in December is 89%.Rainfall
In Onamia, in December, during 3.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Onamia, there are 109.6 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Onamia. December is the month with the most snowfall in Onamia. Snow falls for 15.6 days and accumulates 4.41" (112mm) of snow.Daylight
December has the shortest days of the year in Onamia, with an average of 8h and 42min of daylight.On the first day of December in Onamia, sunrise is at 7:37 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 4:39 pm CST.
Sunshine
In Onamia, Minnesota, the average sunshine in December is 2.8h.UV index
The months with the lowest UV index in Onamia are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, an average UV index of 1 transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Onamia, MN
- Average high temperature in December: 22.3°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in December: 11.8°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in December
Onamia, MN
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Onamia, MN
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Onamia, MN
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Onamia, MN
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Onamia, MN
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in December
Onamia, MN
- Average snowfall in December: 4.41"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Onamia, MN
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Onamia, MN
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Onamia, MN
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Onamia, 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
Onamia, MN
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Onamia, 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 and December (4mi).
