December weather forecast
Horace, ND

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Weather in December

December brings the full force of winter to Horace, with temperatures dropping to their annual lows. Snowfall increases, adding to the striking white landscape of North Dakota in winter. With cloud cover returning, much of the once-clear skies become overcast. The daylight hours are fewest during December, resulting in a majority of the time seeing darkness. Despite lower visibility due to weather conditions, the town's atmospheric pressure remains stable during December.

Temperature

The transition from November to December brings a clear temperature drop, with average high-temperatures decreasing from a cold 37.8°F (3.2°C) to a freezing cold 20.7°F (-6.3°C). During the month of December, the nighttime temperature falls to an average of 10°F (-12.2°C).

Humidity

The average relative humidity in December is 88%.

Rainfall

In Horace, in December, during 3.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Horace, during the entire year, the rain falls for 102.5 days and collects up to 17.17" (436mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 13.5 days and accumulates 4.09" (104mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:52 am and sunset at 4:41 pm. On the last day of December, sunrise is at 8:12 am and sunset at 4:49 pm CST.

Sunshine

In December, the average sunshine is 3.4h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

How cold is it in December?

Horace in December has an average high-temperature of 20.7°F (-6.3°C) and an average low-temperature of 10°F (-12.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 84.2°F (29°C).

What is the average humidity in December in Horace?

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

How much does it rain in December?

In Horace, in December, it is raining for 3.4 days, with typically 0.83" (21mm) of accumulated precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 13.5 days and accumulates 4.09" (104mm) of snow.

How many days does it snow in December?

In December, it is snowing for 13.5 days. Throughout December, 4.09" (104mm) of snow is accumulated.

What is the month with the shortest days in Horace?

With an average of 8h and 36min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 8h and 37min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:52 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 4:49 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 3.4h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health threat 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
Horace, ND

Average temperature in December - Horace, ND
  • Average high temperature in December: 20.7°F

The warmest months (with the highest average high temperature) are July and August (81°F).
The month with the lowest average high temperature is January (16.2°F).

  • Average low temperature in December: 10°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).

Average pressure in December
Horace, ND

Average pressure in December - Horace, 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
Horace, ND

Average wind speed in December - Horace, 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
Horace, ND

Average humidity in December - Horace, ND
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (63%).

Average rainfall in December
Horace, ND

Average rainfall in December - Horace, ND
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December
Horace, ND

Average rainfall days in December - Horace, ND
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1.7 days).

Average snowfall in December
Horace, ND

Average snowfall in December - Horace, ND
  • Average snowfall in December: 4.09"

The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Horace, ND

Average snowfall days in December - Horace, ND
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Horace, 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: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in December
Horace, ND

Average sunshine days in December - Horace, ND
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is September (19.7 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in December
Horace, ND

Average UV index in December - Horace, 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 and December (UV index 1).

Average cloud cover in December
Horace, ND

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

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 25).

Average visibility in December
Horace, ND

Average visibility in December - Horace, 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).

Horace, North Dakota, USA

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