December weather forecast
Coulee, ND

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Weather in December

December, the first month of the winter in Coulee, is also a subzero cold month, with an average temperature ranging between max 20.3°F (-6.5°C) and min 9.1°F (-12.7°C).

Temperature

December's arrival sees a clear drop 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). In the month of December, the average low-temperature in Coulee usually rests at an extreme cold 9.1°F (-12.7°C).

Humidity

In Coulee, North Dakota, the average relative humidity in December is 88%.

Rainfall

In Coulee, North Dakota, in December, it is raining for 2.9 days, with typically 0.59" (15mm) of accumulated precipitation. In Coulee, 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 Coulee. In December, in Coulee, it is snowing for 14 days. Throughout December, 3.46" (88mm) of snow is 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 the month, sunrise is at 8:19 am and sunset at 4:54 pm. On the last day of December, sunrise is at 8:40 am and sunset at 5:02 pm CST.

Sunshine

January and December, with an average of 3.8h of sunshine, are months with the least sunshine in Coulee.

UV index

The average daily maximum UV index in December in Coulee, North Dakota, is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

How cold is it in Coulee in December?

An average high-temperature, in December, in Coulee, is 20.3°F (-6.5°C) and the average low-temperature is 9.1°F (-12.7°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 82.4°F (28°C).

What is the average humidity in December in Coulee?

In Coulee, the average relative humidity in December is 88%.

How many days does it rain in December in Coulee?

In December, in Coulee, the rain falls for 2.9 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

How many days does it snow in December in Coulee?

In Coulee, in December, snow falls for 14 days, with typically accumulated 3.46" (88mm) of snow.

What is the month with the shortest days in Coulee?

The month with the shortest days is December, with an average of 8h and 24min of daylight.

What is the average length of the day in December in Coulee?

In December, the average day length in Coulee is 8h and 23min.

What time are sunrise and sunset in December in Coulee?

On the first day of December in Coulee, North Dakota, sunrise is at 8:19 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 5:02 pm CST.

What are the months with the least sunshine in Coulee?

January and December, with an average of 3.8h of sunshine, are months with the least sunshine in Coulee, North Dakota.

How many hours of sunshine does Coulee have in December?

In December, the average sunshine duration in Coulee is 3.8h.

What is the UV index intensity in December in Coulee?

The average daily maximum UV index in December in Coulee, North Dakota, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Coulee, ND

Average temperature in December - Coulee, 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).

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Average pressure in December
Coulee, ND

Average pressure in December - Coulee, 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).

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Average wind speed in December
Coulee, ND

Average wind speed in December - Coulee, 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).

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Average humidity in December
Coulee, ND

Average humidity in December - Coulee, 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%).

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Average rainfall in December
Coulee, ND

Average rainfall in December - Coulee, 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").

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Average rainfall days in December
Coulee, ND

Average rainfall days in December - Coulee, 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).

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Average snowfall in December
Coulee, ND

Average snowfall in December - Coulee, 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").

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Average snowfall days in December
Coulee, ND

Average snowfall days in December - Coulee, 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).

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

Average daylight in December / Average sunshine in December - Coulee, ND
  • Average daylight in December: 8h and 2min

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 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).

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Average sunshine days in December
Coulee, ND

Average sunshine days in December - Coulee, 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).

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Average UV index in December
Coulee, ND

Average UV index in December - Coulee, 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).

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Average cloud cover in December
Coulee, ND

Average cloud cover in December - Coulee, 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).

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Average visibility in December
Coulee, ND

Average visibility in December - Coulee, 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).

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Coulee, North Dakota, USA

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