December weather forecastRothsay, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Rothsay, Minnesota, with an average temperature fluctuating between 21°F (-6.1°C) and 11.3°F (-11.5°C).Temperature
In Rothsay, the average high-temperature in December drops, from an icy 36.1°F (2.3°C) in November, to a subzero cold 21°F (-6.1°C). In December, Rothsay records an average nighttime temperature of 11.3°F (-11.5°C).Humidity
The average relative humidity in December is 88%.Rainfall
In Rothsay, in December, it is raining for 2.1 days, with typically 0.55" (14mm) of accumulated precipitation. In Rothsay, during the entire year, the rain falls for 95.9 days and collects up to 14.45" (367mm) 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 13.7 days and typically aggregates up to 3.15" (80mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:49 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 4:48 pm CST.
Sunshine
The average sunshine in December is 3h.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 exposure to the Sun's UV rays for average individuals.Note: The UV index of 1 during December translates into the following guidance:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rothsay, MN
- Average high temperature in December: 21°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in December: 11.3°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 (3.2°F).
Average pressure in December
Rothsay, 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
Rothsay, MN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is October (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in December
Rothsay, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Rothsay, MN
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.64").
The driest months (with the least rainfall) are January and November (0.39").
Average rainfall days in December
Rothsay, MN
- Average rainfall days in December: 2.1 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1 days).
Average snowfall in December
Rothsay, MN
- Average snowfall in December: 3.15"
The month with the highest snowfall is December (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rothsay, MN
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rothsay, MN
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Rothsay, MN
- Average sunshine days in December: 17.3 days
The months with the most sunshine days are September and November (20.1 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Rothsay, 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
Rothsay, MN
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Rothsay, MN
- Average visibility in December: 5mi
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, March and December (5mi).





