December weather forecastBluffton, MN
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Bluffton, Minnesota, with an average temperature varying between 11.7°F (-11.3°C) and 21.4°F (-5.9°C).Temperature
December is characterized by a clear drop in the average high-temperature, falling from November's cold 36.1°F (2.3°C) to a subzero cold 21.4°F (-5.9°C). Bluffton records an average nighttime low-temperature of 11.7°F (-11.3°C) throughout December.Humidity
In December, the average relative humidity is 88%.Rainfall
In December, the rain falls for 2.4 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Bluffton, during the entire year, the rain falls for 95.6 days and collects up to 13.9" (353mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 13.2 days and accumulates 3.03" (77mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:44 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:44 pm CST.
Sunshine
In December, the average sunshine in Bluffton 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bluffton, MN
- Average high temperature in December: 21.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (16.9°F).
- Average low temperature in December: 11.7°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).
Average pressure in December
Bluffton, 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
Bluffton, MN
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are April and October (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Bluffton, MN
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Bluffton, MN
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in December
Bluffton, MN
- Average rainfall days in December: 2.4 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
Bluffton, MN
- Average snowfall in December: 3.03"
The month with the highest snowfall is December (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bluffton, MN
- Average snowfall days in December: 13.2 days
The months with the highest number of snowfall days are January and December (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bluffton, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Bluffton, MN
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in December
Bluffton, 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
Bluffton, MN
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Bluffton, 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 and February (4mi).





