December weather forecast
Rival, ND

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Weather in December

December, the first month of the winter in Rival, is still a freezing cold month, with an average temperature fluctuating between 7.7°F (-13.5°C) and 18.9°F (-7.3°C).

Temperature

December signals a clear decrease in the average high-temperature, dropping from November's cold 34°F (1.1°C) to a subzero cold 18.9°F (-7.3°C). The nighttime temperature in Rival dips to an extreme cold 7.7°F (-13.5°C) on average during December.

Humidity

The average relative humidity in December is 89%.

Rainfall

In December, the rain falls for 2.2 days. Throughout December, 0.47" (12mm) of precipitation is accumulated. Throughout the year, in Rival, there are 85.6 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Rival, North Dakota. In Rival, in December, snow falls for 14.4 days, with typically accumulated 2.68" (68mm) of snow. Throughout the year, there are 73.2 snowfall days, and 17.83" (453mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Rival, with an average of 8h and 18min of daylight.
On the first day of December, sunrise is at 8:23 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:43 am and sunset at 5:03 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 3.4h 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 low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

How cold is it in Rival in December?

An average high-temperature, in December, in Rival, is 18.9°F (-7.3°C) and the average low-temperature is 7.7°F (-13.5°C).

What is the average humidity in December in Rival?

In Rival, the average relative humidity in December is 89%.

How many days does it rain in December in Rival?

In Rival, North Dakota, in December, it is raining for 2.2 days, with typically 0.47" (12mm) of accumulated precipitation.

How many days does it snow in December in Rival?

In Rival, during December, snow falls for 14.4 days and regularly aggregates up to 2.68" (68mm) of snow.

What is the month with the shortest days in Rival?

With an average of 8h and 18min of daylight, December has the shortest days of the year in Rival, North Dakota.

How many hours of daylight does Rival have in December?

In December, the average day length in Rival, North Dakota, is 8h and 20min.

What time are sunrise and sunset in December in Rival?

On the first day of December in Rival, sunrise is at 8:23 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:43 am and sunset at 5:03 pm CST.

What is the month with the least sunshine in Rival?

The month with the least sunshine is December, with an average of 3.4h of sunshine.

How many hours of sunshine does Rival have in December?

In December, the average sunshine duration in Rival is 3.4h.

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

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Rival, North Dakota.

How high is the UV index in December in Rival?

The average daily maximum UV index in December in Rival is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Rival, ND

Average temperature in December - Rival, ND
  • Average high temperature in December: 18.9°F

The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is February (17.2°F).

  • Average low temperature in December: 7.7°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is February (3.6°F).

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Average pressure in December
Rival, ND

Average pressure in December - Rival, 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).

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Average wind speed in December
Rival, ND

Average wind speed in December - Rival, ND
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

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Average humidity in December
Rival, ND

Average humidity in December - Rival, ND
  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).

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Average rainfall in December
Rival, ND

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

The wettest month (with the highest rainfall) is June (2.32").
The driest months (with the least rainfall) are January and February (0.39").

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Average rainfall days in December
Rival, ND

Average rainfall days in December - Rival, ND
  • Average rainfall days in December: 2.2 days

The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in December
Rival, ND

Average snowfall in December - Rival, ND
  • Average snowfall in December: 2.68"

The month with the highest snowfall is November (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Rival, ND

Average snowfall days in December - Rival, ND
  • Average snowfall days in December: 14.4 days

The month with the highest number of snowfall days is December (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Rival, 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 18min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days in December
Rival, ND

Average sunshine days in December - Rival, ND
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is June (14.2 days).

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Average UV index in December
Rival, ND

Average UV index in December - Rival, 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).

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Average cloud cover in December
Rival, ND

Average cloud cover in December - Rival, ND
  • Average cloud cover in December: 64

The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 22).

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Average visibility in December
Rival, ND

Average visibility in December - Rival, 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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Rival, North Dakota, USA

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