December weather forecast and climate
Stanley, ND

Weather in December

December, the first month of the winter, in Stanley, is also a subzero cold month, with average temperature ranging between min 10°F (-12.2°C) and max 21.6°F (-5.8°C).

Temperature

In Stanley, the average high-temperature declines considerably, from a wintry 37°F (2.8°C) in November, to a subzero cold 21.6°F (-5.8°C). In December, the average low-temperature is 10°F (-12.2°C).

Humidity

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

Rainfall

In Stanley, in December, it is raining for 1.8 days, with typically 0.24" (6mm) of accumulated precipitation. In Stanley, during the entire year, the rain falls for 69.9 days and collects up to 6.77" (172mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Stanley, North Dakota, during December, snow falls for 10.9 days and regularly aggregates up to 1.1" (28mm) of snow. In Stanley, North Dakota, during the entire year, snow falls for 55.5 days, and aggregates up to 6.46" (164mm) of snow.

Daylight

With an average of 8.4h of daylight, December has the shortest days of the year.

Sunshine

Months with the least sunshine in Stanley are January and December, with an average of 3.9h of sunshine.

UV index

Months with the lowest UV index in Stanley, North Dakota, are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Stanley?

The average high-temperature, in December, in Stanley, North Dakota, is 21.6°F (-5.8°C), while the average low-temperature is 10°F (-12.2°C).

What is the average humidity in December in Stanley?

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

How much does it rain in Stanley in December?

In December, the rain falls for 1.8 days. Throughout December, 0.24" (6mm) of precipitation is accumulated.

How much does it snow in Stanley in December?

In December, in Stanley, it is snowing for 10.9 days. Throughout December, 1.1" (28mm) of snow is accumulated.

What is the month with the shortest days in Stanley?

December has the shortest days of the year, with an average of 8.4h of daylight.

How many hours of daylight does Stanley have in December?

The average length of the day in December in Stanley, North Dakota, is 8.4h.

What is the month with the least sunshine in Stanley?

January and December, with an average of 3.9h of sunshine, are months with the least sunshine in Stanley, North Dakota.

How many hours of sunshine does Stanley have in December?

The average sunshine in December is 3.9h.

What are the months with the lowest UV index in Stanley?

Months with the lowest UV index in Stanley are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December in Stanley?

In Stanley, North Dakota, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.

Average temperature in December
Stanley, ND

Average temperature in December - Stanley, ND
  • Average high temperature in December: 21.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in December: 10°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).

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Average pressure in December
Stanley, ND

Average pressure in December - Stanley, ND
  • Average pressure in December: 30.13"

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

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Average wind speed in December
Stanley, ND

Average wind speed in December - Stanley, ND
  • Average wind speed in December: 10.1mph

The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

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Average humidity in December
Stanley, ND

Average humidity in December - Stanley, 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 (52%).

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Average rainfall in December
Stanley, ND

Average rainfall in December - Stanley, ND
  • Average rainfall in December: 0.24"

The wettest month (with the highest rainfall) is June (1.18").
The driest months (with the least rainfall) are January and February (0.2").

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Average rainfall days in December
Stanley, ND

Average rainfall days in December - Stanley, ND
  • Average rainfall days in December: 1.8 days

The month with the highest number of rainy days is June (11.3 days).
The month with the least rainy days is February (1.6 days).

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Average snowfall in December
Stanley, ND

Average snowfall in December - Stanley, ND
  • Average snowfall in December: 1.1"

The month with the highest snowfall is February (1.14").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Stanley, ND

Average snowfall days in December - Stanley, ND
  • Average snowfall days in December: 10.9 days

The month with the highest number of snowfall days is December (10.9 days).
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
Stanley, ND

Average daylight in December / Average sunshine in December - Stanley, ND
  • Average daylight in December: 8.4h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in December: 3.9h

The month with the most sunshine is July (Average sunshine: 11.3h).
Months with the least sunshine are January and December (Average sunshine: 3.9).

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Average sunshine days in December
Stanley, ND

Average sunshine days in December - Stanley, ND
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is June (15.7 days).

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Average UV index in December
Stanley, ND

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

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Stanley, ND

Average cloud cover in December - Stanley, ND
  • Average cloud cover in December: 59

The month with the most cloud cover is February (Cloud cover 62).
Months with the least cloud cover are July and August (Cloud cover 22).

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Average visibility in December
Stanley, ND

Average visibility in December - Stanley, ND
  • Average visibility in December: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January and February (5mi).

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