December weather forecast
Ayr, ND

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Weather in December

December, the first month of the winter in Ayr, is also a subzero cold month, with an average temperature fluctuating between 20.8°F (-6.2°C) and 10.4°F (-12°C).

Temperature

With the onset of December, Ayr's weather experiences a distinct temperature drop, moving from an icy 37.6°F (3.1°C) in November to a subzero cold 20.8°F (-6.2°C). In December, Ayr's temperature tends to fall to an average low of 10.4°F (-12°C) during the night.

Humidity

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

Rainfall

In Ayr, during December, the rain falls for 3 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, there are 102.6 rainfall days, and 17.8" (452mm) 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 15.6 days and typically aggregates up to 3.74" (95mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:55 am and sunset at 4:42 pm. On the last day of December, sunrise is at 8:15 am and sunset at 4:50 pm CST.

Sunshine

January and December, with an average of 3.5h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 20.8°F (-6.2°C) and 10.4°F (-12°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December?

In December, the average relative humidity is 88%.

How many days does it rain in December?

In December, the rain falls for 3 days. Throughout December, 0.87" (22mm) of precipitation is accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 15.6 days and accumulates 3.74" (95mm) of snow.

How much does it snow in December?

In Ayr, in December, snow falls for 15.6 days, with typically accumulated 3.74" (95mm) 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 Ayr have in December?

In December, the average day length is 8h and 35min.

What time are sunrise and sunset in December?

On the first day of December in Ayr, sunrise is at 7:55 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 4:50 pm CST.

What is the month with the least sunshine?

January and December, with an average of 3.5h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 3.5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
Ayr, ND

Average temperature in December - Ayr, ND
  • Average high temperature in December: 20.8°F

The warmest months (with the highest average high temperature) are July and August (80.8°F).
The month with the lowest average high temperature is January (16.7°F).

  • Average low temperature in December: 10.4°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (3.2°F).

Average pressure in December
Ayr, ND

Average pressure in December - Ayr, 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 (29.86"Hg).

Average wind speed in December
Ayr, ND

Average wind speed in December - Ayr, ND
  • Average wind speed in December: 9.9mph

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

Average humidity in December
Ayr, ND

Average humidity in December - Ayr, 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 (62%).

Average rainfall in December
Ayr, ND

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

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in December
Ayr, ND

Average rainfall days in December - Ayr, ND
  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December
Ayr, ND

Average snowfall in December - Ayr, ND
  • Average snowfall in December: 3.74"

The month with the highest snowfall is December (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Ayr, ND

Average snowfall days in December - Ayr, ND
  • Average snowfall days in December: 15.6 days

The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Ayr, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).

Average sunshine days in December
Ayr, ND

Average sunshine days in December - Ayr, ND
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (11 days).

Average UV index in December
Ayr, ND

Average UV index in December - Ayr, 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, February, November and December (UV index 1).

Average cloud cover in December
Ayr, ND

Average cloud cover in December - Ayr, ND
  • Average cloud cover in December: 61

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December
Ayr, ND

Average visibility in December - Ayr, 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).

Ayr, North Dakota, USA

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