December weather forecastDonnelly, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Donnelly, Minnesota, with an average temperature ranging between max 23°F (-5°C) and min 12.6°F (-10.8°C).Temperature
December's arrival signals a significant decrease in average high-temperatures, falling from November's cold 38.7°F (3.7°C) to a subzero cold 23°F (-5°C). During the month of December, an average temperature of 12.6°F (-10.8°C) is noted during the nights in Donnelly, Minnesota.Humidity
In December, the average relative humidity is 87%.Rainfall
In Donnelly, during December, the rain falls for 3.4 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Donnelly, during the entire year, the rain falls for 105.3 days and collects up to 19.29" (490mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall in Donnelly. Snow falls for 13.5 days and accumulates 4.29" (109mm) of snow.Daylight
The month with the shortest days in Donnelly is December, with an average of 8h and 48min of daylight.On the first day of December in Donnelly, sunrise is at 7:45 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine is 3.4h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Donnelly, MN
- Average high temperature in December: 23°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in December: 12.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in December
Donnelly, 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
Donnelly, MN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Donnelly, MN
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (67%).
Average rainfall in December
Donnelly, MN
- Average rainfall in December: 0.98"
The wettest months (with the highest rainfall) are June and July (3.15").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in December
Donnelly, MN
- Average rainfall days in December: 3.4 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Donnelly, MN
- Average snowfall in December: 4.29"
The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Donnelly, MN
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Donnelly, MN
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Donnelly, MN
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in December
Donnelly, MN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Donnelly, MN
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Donnelly, 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).
