Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift into December is marked by a noticeable reduction in the average high-temperature, decreasing from November's cold 35.4°F (1.9°C) to a subzero cold 20.3°F (-6.5°C). Hartland's nighttime temperature in December drops to an average of 9.1°F (-12.7°C).Humidity
The average relative humidity in December in Hartland is 88%.Rainfall
In Hartland, during December, the rain falls for 2.9 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Hartland, during the entire year, the rain falls for 104.5 days and collects up to 16.1" (409mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Hartland, in December, during 14 snowfall days, 3.46" (88mm) of snow is typically accumulated. Throughout the year, there are 74.4 snowfall days, and 21.42" (544mm) of snow is accumulated.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of December in Hartland, sunrise is at 8:18 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:38 am and sunset at 5:02 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.8h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hartland?
What is the average humidity in December in Hartland?
How much does it rain in Hartland in December?
How many days does it snow in December in Hartland?
What is the month with the shortest days in Hartland?
What is the average length of the day in December in Hartland?
When are sunrise and sunset in December in Hartland?
What is the month with the least sunshine in Hartland?
How many hours of sunshine does Hartland have in December?
What is the UV index reading in December in Hartland?
Average temperature in December
Hartland, 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
Hartland, 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
Hartland, 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
Hartland, 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
Hartland, 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
Hartland, 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
Hartland, 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
Hartland, 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
Hartland, ND
- Average daylight in December: 8h and 2min
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: 3h and 5min
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
Hartland, 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
Hartland, 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
Hartland, 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
Hartland, 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).
Hartland, North Dakota, USA
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