December weather forecastTolley, ND
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Tolley, North Dakota, with an average temperature fluctuating between 20.3°F (-6.5°C) and 9.1°F (-12.7°C).Temperature
Tolley's transition into December is marked by a distinct drop in the average high-temperature, reducing from a cold 35.4°F (1.9°C) in November to a subzero cold 20.3°F (-6.5°C). Tolley records an average nighttime low of 9.1°F (-12.7°C) in December.Humidity
In Tolley, the average relative humidity in December is 88%.Rainfall
In December, the rain falls for 2.9 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 104.5 rainfall days, and 16.1" (409mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Tolley, North Dakota, in December, snow falls for 14 days, with typically accumulated 3.46" (88mm) of snow. In Tolley, during the entire year, snow falls for 74.4 days and aggregates up to 21.42" (544mm) of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Tolley.On the first day of the month, sunrise is at 8:19 am and sunset at 4:53 pm. On the last day of December, sunrise is at 8:40 am and sunset at 5:01 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.8h of sunshine.UV index
In Tolley, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tolley, ND
- Average high temperature in December: 20.3°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in December: 9.1°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in December
Tolley, ND
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Tolley, ND
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Tolley, ND
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Tolley, ND
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are January and February (0.51").
Average rainfall days in December
Tolley, ND
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Tolley, ND
- Average snowfall in December: 3.46"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tolley, ND
- Average snowfall days in December: 14 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tolley, ND
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Tolley, ND
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Tolley, ND
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Tolley, ND
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Tolley, ND
- 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).
