December weather forecast
Richardton, ND

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Weather in December

December, the first month of the winter in Richardton, is also a subzero cold month, with an average temperature fluctuating between 24.6°F (-4.1°C) and 12.9°F (-10.6°C).

Temperature

The average high-temperature exhibits a considerable decrease in December, dropping from a wintry 39.6°F (4.2°C) in November to a freezing cold 24.6°F (-4.1°C). Richardton experiences a steady low-temperature of 12.9°F (-10.6°C) throughout December.

Humidity

In December, the average relative humidity in Richardton is 84%.

Rainfall

In Richardton, during December, the rain falls for 3.3 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, in Richardton, there are 90.5 rainfall days, and 13.78" (350mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Richardton, in December, snow falls for 10.5 days, with typically accumulated 2.64" (67mm) of snow. Throughout the year, in Richardton, there are 56.7 snowfall days, and 19.72" (501mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:02 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:10 pm MST.

Sunshine

The average sunshine in December is 4.5h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Richardton in December?

The average high-temperature and low-temperature in Richardton, North Dakota, during December are 24.6°F (-4.1°C) and 12.9°F (-10.6°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 82.4°F (28°C).

What is the average humidity in December in Richardton?

The average relative humidity in December in Richardton is 84%.

How many days does it rain in December in Richardton?

In Richardton, in December, it is raining for 3.3 days, with typically 0.47" (12mm) of accumulated precipitation.

How many days does it snow in December in Richardton?

In Richardton, North Dakota, in December, during 10.5 snowfall days, 2.64" (67mm) of snow is typically accumulated.

What is the month with the shortest days in Richardton?

The month with the shortest days in Richardton, North Dakota, is December, with an average of 8h and 36min of daylight.

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

The average day length in December in Richardton, North Dakota, is 8h and 36min.

When are sunrise and sunset in December in Richardton?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:02 pm. On the last day of the month, in Richardton, sunrise is at 7:34 am and sunset at 4:10 pm MST.

How many hours of sunshine does Richardton have in December?

In Richardton, North Dakota, the average sunshine duration in December is 4.5h.

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

The months with the lowest UV index in Richardton, North Dakota, are January, February, October through December, with an average maximum UV index of 2.

How high is the UV index in December in Richardton?

In Richardton, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from 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
Richardton, ND

Average temperature in December - Richardton, ND
  • Average high temperature in December: 24.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (23.5°F).

  • Average low temperature in December: 12.9°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in December
Richardton, ND

Average pressure in December - Richardton, 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
Richardton, ND

Average wind speed in December - Richardton, ND
  • Average wind speed in December: 11.2mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

Average humidity in December
Richardton, ND

Average humidity in December - Richardton, ND
  • Average humidity in December: 84%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (51%).

Average rainfall in December
Richardton, ND

Average rainfall in December - Richardton, ND
  • Average rainfall in December: 0.47"

The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in December
Richardton, ND

Average rainfall days in December - Richardton, ND
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is June (12.9 days).
The months with the least rainy days are January and February (2.3 days).

Average snowfall in December
Richardton, ND

Average snowfall in December - Richardton, ND
  • Average snowfall in December: 2.64"

The month with the highest snowfall is November (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Richardton, ND

Average snowfall days in December - Richardton, ND
  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is February (11.9 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Richardton, ND
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).

Average sunshine days in December
Richardton, ND

Average sunshine days in December - Richardton, ND
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (14.4 days).

Average UV index in December
Richardton, ND

Average UV index in December - Richardton, ND
  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in December
Richardton, ND

Average cloud cover in December - Richardton, ND
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in December
Richardton, ND

Average visibility in December - Richardton, 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).

Richardton, North Dakota, USA

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