December weather forecastGrandy, MN
December
Weather in December
December, the first month of the winter in Grandy, is still a freezing cold month, with temperature in the range of an average low of 14.4°F (-9.8°C) and an average high of 23.9°F (-4.5°C).Temperature
December signals a considerable drop in Grandy's average high-temperature, reducing from a wintry 38.7°F (3.7°C) in November to a freezing cold 23.9°F (-4.5°C). During December, Grandy records an average temperature of 14.4°F (-9.8°C) at night.Humidity
In Grandy, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 3.6 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Grandy, during the entire year, the rain falls for 116.6 days and collects up to 20.67" (525mm) of precipitation.Snowfall
Months with snowfall in Grandy are January through May, October through December. The month with the most snowfall is December, when snow falls for 13 days and typically aggregates up to 5.04" (128mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Grandy.On the first day of December, sunrise is at 7:33 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 4:39 pm CST.
Sunshine
In December, the average sunshine in Grandy is 3.3h.UV index
The months with the lowest UV index in Grandy are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grandy, MN
- Average high temperature in December: 23.9°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in December
Grandy, 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 (29.88"Hg).
Average wind speed in December
Grandy, MN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Grandy, MN
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Grandy, MN
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Grandy, MN
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Grandy, MN
- Average snowfall in December: 5.04"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grandy, MN
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grandy, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Grandy, MN
- Average sunshine days in December: 17 days
The month with the most sunshine days is January (18.2 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Grandy, 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
Grandy, MN
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Grandy, 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).
