December weather forecast
Grandin, ND

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Weather in December

The first month of the winter, December, is also a subzero cold month in Grandin, North Dakota, with an average temperature fluctuating between 8.6°F (-13°C) and 19.9°F (-6.7°C).

Temperature

December's arrival signals a distinct temperature shift, dropping from a cold 36.5°F (2.5°C) in November to a freezing cold 19.9°F (-6.7°C). In December, the temperature drops to an average of 8.6°F (-13°C) at night.

Humidity

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

Rainfall

In December, in Grandin, the rain falls for 3.1 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 103 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 14.6 days and typically aggregates up to 4.53" (115mm) of snow.

Daylight

The month with the shortest days in Grandin is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:54 am and sunset at 4:39 pm. On the last day of December, sunrise is at 8:14 am and sunset at 4:48 pm CST.

Sunshine

In December, the average sunshine in Grandin is 3.4h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature in Grandin during December are 19.9°F (-6.7°C) and 8.6°F (-13°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 89%.

How many days does it rain in December?

In Grandin, North Dakota, in December, it is raining for 3.1 days, with typically 0.87" (22mm) of accumulated precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 14.6 days and accumulates 4.53" (115mm) of snow.

How much does it snow in Grandin in December?

In Grandin, in December, snow falls for 14.6 days, with typically accumulated 4.53" (115mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Grandin have in December?

The average day length in December is 8h and 34min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:54 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 4:48 pm CST.

How long on average sun shines in December in Grandin?

The average sunshine duration in December is 3.4h.

When is the lowest UV index?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December in Grandin?

In Grandin, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes 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
Grandin, ND

Average temperature in December - Grandin, ND
  • Average high temperature in December: 19.9°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is January (15.6°F).

  • Average low temperature in December: 8.6°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (1.6°F).

Average pressure in December
Grandin, ND

Average pressure in December - Grandin, ND
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in December
Grandin, ND

Average wind speed in December - Grandin, ND
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity in December
Grandin, ND

Average humidity in December - Grandin, 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 (61%).

Average rainfall in December
Grandin, ND

Average rainfall in December - Grandin, ND
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is June (3.46").
The driest months (with the least rainfall) are January and February (0.59").

Average rainfall days in December
Grandin, ND

Average rainfall days in December - Grandin, ND
  • Average rainfall days in December: 3.1 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).

Average snowfall in December
Grandin, ND

Average snowfall in December - Grandin, ND
  • Average snowfall in December: 4.53"

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Grandin, ND

Average snowfall days in December - Grandin, ND
  • Average snowfall days in December: 14.6 days

The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Grandin, ND

Average sunshine days in December - Grandin, ND
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in December
Grandin, ND

Average UV index in December - Grandin, ND
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Grandin, ND

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

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Grandin, ND

Average visibility in December - Grandin, 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).

Grandin, North Dakota, USA

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