December weather forecast
Coleharbor, ND

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Weather in December

December, the first month of the winter in Coleharbor, is also a subzero cold month, with an average temperature fluctuating between 21.7°F (-5.7°C) and 9.7°F (-12.4°C).

Temperature

The shift from November to December brings a noticeable decrease in the average high-temperature, dropping from a cold 37.2°F (2.9°C) to a freezing cold 21.7°F (-5.7°C). During the month of December, Coleharbor experiences a steady low-temperature average of 9.7°F (-12.4°C).

Humidity

In December, the average relative humidity is 87%.

Rainfall

In December, the rain falls for 3.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, in Coleharbor, there are 95.9 rainfall days, and 14.65" (372mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 13 days. Throughout December, 3.19" (81mm) of snow is accumulated. Throughout the year, there are 68 snowfall days, and 18.19" (462mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Coleharbor, North Dakota, with an average of 8h and 30min of daylight.
On the first day of December, sunrise is at 8:12 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:32 am and sunset at 5:03 pm CST.

Sunshine

The months with the least sunshine are January and December, with an average of 3.7h of sunshine.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: In December, a regular UV index of 1 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Coleharbor?

In Coleharbor, in December, the average high-temperature is 21.7°F (-5.7°C), and the average low-temperature is 9.7°F (-12.4°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 82.4°F (28°C).

What is the average humidity in December?

In Coleharbor, the average relative humidity in December is 87%.

How much does it rain in December?

In December, the rain falls for 3.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

How many days does it snow in December?

In Coleharbor, during December, snow falls for 13 days and regularly aggregates up to 3.19" (81mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 30min of daylight.

What is the average length of the day in December?

In December, the average day length is 8h and 31min.

When are sunrise and sunset in December?

On the first day of December in Coleharbor, sunrise is at 8:12 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:32 am and sunset at 5:03 pm CST.

What are the months with the least sunshine?

January and December, with an average of 3.7h of sunshine, are months with the least sunshine.

How many hours of sunshine does Coleharbor have in December?

The average sunshine duration in December is 3.7h.

What is the month with the lowest UV index in Coleharbor?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Coleharbor, ND

Average temperature in December - Coleharbor, ND
  • Average high temperature in December: 21.7°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (19.6°F).

  • Average low temperature in December: 9.7°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in December
Coleharbor, ND

Average pressure in December - Coleharbor, ND
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Coleharbor, ND

Average wind speed in December - Coleharbor, ND
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity in December
Coleharbor, ND

Average humidity in December - Coleharbor, ND
  • Average humidity in December: 87%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).

Average rainfall in December
Coleharbor, ND

Average rainfall in December - Coleharbor, ND
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (0.39").

Average rainfall days in December
Coleharbor, ND

Average rainfall days in December - Coleharbor, ND
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.1 days).

Average snowfall in December
Coleharbor, ND

Average snowfall in December - Coleharbor, ND
  • Average snowfall in December: 3.19"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Coleharbor, ND

Average snowfall days in December - Coleharbor, ND
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Coleharbor, ND

Average daylight in December / Average sunshine in December - Coleharbor, ND
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 3h and 4min

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 42min).

Average sunshine days in December
Coleharbor, ND

Average sunshine days in December - Coleharbor, ND
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is March (13.9 days).

Average UV index in December
Coleharbor, ND

Average UV index in December - Coleharbor, ND
  • 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 and December (UV index 1).

Average cloud cover in December
Coleharbor, ND

Average cloud cover in December - Coleharbor, ND
  • Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 22).

Average visibility in December
Coleharbor, ND

Average visibility in December - Coleharbor, 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).

Coleharbor, North Dakota, USA

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