December weather forecastGreenwald, MN
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Greenwald, Minnesota, with an average temperature varying between 22.6°F (-5.2°C) and 12.6°F (-10.8°C).Temperature
Greenwald's transition into December marks a considerable drop in the average high-temperature, moving down from a cold 37.8°F (3.2°C) in November to a subzero cold 22.6°F (-5.2°C). During December, Greenwald records a consistent average nighttime temperature of 12.6°F (-10.8°C).Humidity
The average relative humidity in December in Greenwald, Minnesota, is 88%.Rainfall
In December, in Greenwald, the rain falls for 2.9 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 107.6 rainfall days, and 16.3" (414mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 11.8 days and typically aggregates up to 3.78" (96mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:40 am and sunset at 4:37 pm. On the last day of December, in Greenwald, Minnesota, sunrise is at 7:59 am and sunset at 4:45 pm CST.
Sunshine
In December, the average sunshine in Greenwald is 3.4h.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 minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 1 in December transforms into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Greenwald, MN
- Average high temperature in December: 22.6°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 (60.4°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in December
Greenwald, MN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Greenwald, MN
- Average wind speed in December: 8.9mph
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 (7.3mph).
Average humidity in December
Greenwald, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Greenwald, MN
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in December
Greenwald, MN
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Greenwald, MN
- Average snowfall in December: 3.78"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greenwald, MN
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenwald, 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 12min).
Average sunshine days in December
Greenwald, MN
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in December
Greenwald, 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
Greenwald, MN
- Average cloud cover in December: 64
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 31).
Average visibility in December
Greenwald, 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).





