December weather forecastRollingstone, MN
December
Weather in December
December, the first month of the winter in Rollingstone, is still a freezing cold month, with an average temperature fluctuating between 27°F (-2.8°C) and 15.8°F (-9°C).Temperature
A clear decrease in the average high-temperature is observed during December, decreasing from a cold 41.5°F (5.3°C) in November to a freezing cold 27°F (-2.8°C). Rollingstone records an average temperature drop to a still subzero cold 15.8°F (-9°C) in December.Humidity
In December, the average relative humidity is 88%.Rainfall
In Rollingstone, in December, during 4.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 132.9 rainfall days, and 24.88" (632mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rollingstone, during December, snow falls for 10.6 days and regularly aggregates up to 3.62" (92mm) of snow. Throughout the year, there are 48.6 snowfall days, and 19.13" (486mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:39 pm CST.
Sunshine
In December, the average sunshine is 3.6h.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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rollingstone, MN
- Average high temperature in December: 27°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 15.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
Rollingstone, MN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Rollingstone, MN
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Rollingstone, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Rollingstone, MN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Rollingstone, MN
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Rollingstone, MN
- Average snowfall in December: 3.62"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rollingstone, MN
- Average snowfall days in December: 10.6 days
The months with the highest number of snowfall days are January and February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rollingstone, MN
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Rollingstone, MN
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in December
Rollingstone, 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
Rollingstone, MN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Rollingstone, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
