December weather forecastHeil, ND
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Heil, North Dakota, with an average temperature fluctuating between 14.4°F (-9.8°C) and 25.9°F (-3.4°C).Temperature
December's onset brings a noticeable temperature drop, falling from an icy 41.2°F (5.1°C) in November to a freezing cold 25.9°F (-3.4°C). In the month of December, the nighttime temperature in Heil dips to a steady average of 14.4°F (-9.8°C).Humidity
In Heil, the average relative humidity in December is 82%.Rainfall
In Heil, in December, during 3.7 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, in Heil, North Dakota, there are 101.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
Months with snowfall in Heil, North Dakota, are January through May, October through December. In Heil, North Dakota, in December, during 12.5 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Heil, during the entire year, snow falls for 65.8 days and aggregates up to 21.42" (544mm) of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Heil.On the first day of December in Heil, sunrise is at 7:10 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:10 pm MST.
Sunshine
In Heil, the average sunshine in December is 4.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heil, ND
- Average high temperature in December: 25.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in December
Heil, ND
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Heil, ND
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in December
Heil, ND
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in December
Heil, ND
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Heil, ND
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in December
Heil, ND
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Heil, ND
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heil, ND
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Heil, ND
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in December
Heil, ND
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Heil, ND
- Average cloud cover in December: 51
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in December
Heil, ND
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
