December weather forecastTwin Valley, MN
December
Weather in December
December, the first month of the winter in Twin Valley, is still a freezing cold month, with an average temperature fluctuating between 9°F (-12.8°C) and 20.1°F (-6.6°C).Temperature
December brings a significant decrease in the average high-temperature, moving down from a cold 36.3°F (2.4°C) in November to a freezing cold 20.1°F (-6.6°C). Twin Valley, during December, witnesses an average low-temperature of 9°F (-12.8°C).Humidity
The average relative humidity in December is 89%.Rainfall
In December, the rain falls for 2.5 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In Twin Valley, during the entire year, the rain falls for 101.8 days and collects up to 17.44" (443mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 13.5 days and typically aggregates up to 4.49" (114mm) 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, sunrise is at 7:51 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 4:45 pm CST.
Sunshine
The average sunshine in December is 3.1h.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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Boost your sun resistance with garments that are densely woven yet spacious. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Twin Valley, MN
- Average high temperature in December: 20.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in December: 9°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (1°F).
Average pressure in December
Twin Valley, MN
- Average pressure in December: 30.12"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
Twin Valley, MN
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Twin Valley, MN
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Twin Valley, MN
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Twin Valley, MN
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in December
Twin Valley, MN
- Average snowfall in December: 4.49"
The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Twin Valley, MN
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Twin Valley, 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: 3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Twin Valley, MN
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Twin Valley, 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
Twin Valley, MN
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Twin Valley, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
