December weather forecast
Forman, ND

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Weather in December

In December, Forman settles into winter with shorter days and the chill of snow-laden winds. Winter takes hold with temperatures reaching a frigid low of 12.2°F (-11°C), characterizing this month. With merely 8.7 hours of daylight, the town wraps itself early under the night's blanket. Celebrations mark this month, with brightly lit houses contrasting the falling snowflakes. As residents snuggle in for the holidays, the year ends with a white winter in Forman, North Dakota.

Temperature

December's arrival in Forman, North Dakota, signals a significant decrease in average high-temperatures, falling from November's icy 39.2°F (4°C) to a freezing cold 22.6°F (-5.2°C). During December, the temperature tends to dip to an average of 12.2°F (-11°C) at night.

Humidity

The average relative humidity in December is 87%.

Rainfall

In Forman, during December, the rain falls for 3.9 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 109.5 rainfall days, and 20.39" (518mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 15.2 days and accumulates 4.61" (117mm) of snow.

Daylight

With an average of 8h and 42min of daylight, December has the shortest days of the year in Forman.
On the first day of December, sunrise is at 7:53 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 4:55 pm CST.

Sunshine

The average sunshine in December is 3.9h.

UV index

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. 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 Forman in December?

The high-temperature during December is 22.6°F (-5.2°C) and the low-temperature is 12.2°F (-11°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 84.2°F (29°C).

What is the average humidity in December in Forman?

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

How much does it rain in Forman in December?

In Forman, North Dakota, in December, during 3.9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When does it snow the most in Forman?

The month with the most snowfall in Forman, North Dakota, is December, when snow falls for 15.2 days and typically aggregates up to 4.61" (117mm) of snow.

How many days does it snow in December in Forman?

In Forman, North Dakota, in December, during 15.2 snowfall days, 4.61" (117mm) of snow is typically accumulated.

What is the month with the shortest days in Forman?

With an average of 8h and 42min of daylight, December has the shortest days of the year in Forman, North Dakota.

How many hours of daylight does Forman have in December?

In Forman, the average day length in December is 8h and 42min.

When are sunrise and sunset in December in Forman?

In December, on the first day of the month, sunrise is at 7:53 am and sunset at 4:46 pm. On the last day of the month, in Forman, North Dakota, sunrise is at 8:12 am and sunset at 4:55 pm CST.

How many hours of sunshine does Forman have in December?

In Forman, the average sunshine duration in December is 3.9h.

What is the UV index intensity in December in Forman?

In December, the average daily maximum UV index in Forman, North Dakota, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Forman, ND

Average temperature in December - Forman, ND
  • Average high temperature in December: 22.6°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°F).

  • Average low temperature in December: 12.2°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in December
Forman, ND

Average pressure in December - Forman, 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 (29.85"Hg).

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Average wind speed in December
Forman, ND

Average wind speed in December - Forman, ND
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in December
Forman, ND

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

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are August and September (62%).

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Average rainfall in December
Forman, ND

Average rainfall in December - Forman, ND
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days in December
Forman, ND

Average rainfall days in December - Forman, ND
  • Average rainfall days in December: 3.9 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in December
Forman, ND

Average snowfall in December - Forman, ND
  • Average snowfall in December: 4.61"

The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Forman, ND

Average snowfall days in December - Forman, ND
  • Average snowfall days in December: 15.2 days

The month with the highest number of snowfall days is January (15.3 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
Forman, ND

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Forman, ND

Average sunshine days in December - Forman, ND
  • Average sunshine days in December: 15 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in December
Forman, ND

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

The months with the highest UV index are June and 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
Forman, ND

Average cloud cover in December - Forman, ND
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in December
Forman, ND

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

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

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Forman, North Dakota, USA

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