December weather forecastRay, MN
December
Weather in December
December, the first month of the winter in Ray, is still a freezing cold month, with an average temperature varying between 18.7°F (-7.4°C) and 7.7°F (-13.5°C).Temperature
Witnessing a clear downswing, the average high-temperature during December drops from November's icy 33.3°F (0.7°C) to a freezing cold 18.7°F (-7.4°C). An average nighttime temperature of 7.7°F (-13.5°C) is noted during the month of December.Humidity
In Ray, the average relative humidity in December is 92%.Rainfall
In Ray, in December, it is raining for 1.9 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, there are 93.6 rainfall days, and 11.5" (292mm) of precipitation is accumulated.Snowfall
Months with snowfall in Ray are January through May, October through December. The month with the most snowfall is December, when snow falls for 18.1 days and typically aggregates up to 3.31" (84mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 7:44 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:28 pm CST.
Sunshine
The average sunshine in December is 1.9h.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take careful note! The UV radiation of the Sun 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
Ray, MN
- Average high temperature in December: 18.7°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (14°F).
- Average low temperature in December: 7.7°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (-0.6°F).
Average pressure in December
Ray, MN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Ray, MN
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are October and November (7.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Ray, MN
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Ray, MN
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is June (1.57").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in December
Ray, MN
- Average rainfall days in December: 1.9 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is February (0.9 days).
Average snowfall in December
Ray, MN
- Average snowfall in December: 3.31"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ray, MN
- Average snowfall days in December: 18.1 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ray, MN
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 1h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).
Average sunshine days in December
Ray, MN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is January (12.8 days).
Average UV index in December
Ray, 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, March, October, November and December (UV index 1).
Average cloud cover in December
Ray, MN
- Average cloud cover in December: 80
The month with the most cloud cover is January (Cloud cover 85).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Ray, MN
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and October (6mi).
The months with the lowest visibility are January and February (3mi).





