December weather forecast
Kalgary, TX

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Weather in December

December, the first month of the winter in Kalgary, is still a cool month, with an average temperature varying between 52.7°F (11.5°C) and 35.4°F (1.9°C).

Temperature

With its high average temperature of 52.7°F (11.5°C) and a low of 35.4°F (1.9°C), December is regarded as the coldest month.

Humidity

In December, the average relative humidity in Kalgary is 53%.

Rainfall

In Kalgary, during December, the rain falls for 4.1 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Kalgary, during the entire year, the rain falls for 91.9 days and collects up to 15.55" (395mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 2.4 days. Throughout December, 1.26" (32mm) of snow is accumulated. Throughout the year, there are 9.1 snowfall days, and 4.92" (125mm) of snow is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:31 am and sunset at 5:36 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:47 pm CST.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Boost your sun resistance with garments that are densely woven yet spacious. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

December, on average, is the coldest month, registering a high temperature of 52.7°F (11.5°C) and a low of 35.4°F (1.9°C).

What are the temperatures in December?

An average high-temperature, in December, in Kalgary, is 52.7°F (11.5°C) and the average low-temperature is 35.4°F (1.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 53%.

How many days does it rain in December?

In December, the rain falls for 4.1 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 2.4 days. Throughout December, 1.26" (32mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Kalgary?

The average day length in December is 9h and 59min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:47 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 6.8h of sunshine.

How many hours of sunshine does Kalgary have in December?

In December, the average sunshine duration is 6.8h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 2.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Kalgary, TX

Average temperature in December - Kalgary, TX
  • Average high temperature in December: 52.7°F

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in December
Kalgary, TX

Average pressure in December - Kalgary, TX
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Kalgary, TX

Average wind speed in December - Kalgary, TX
  • Average wind speed in December: 11.1mph

The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

Average humidity in December
Kalgary, TX

Average humidity in December - Kalgary, TX
  • Average humidity in December: 53%

The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is April (43%).

Average rainfall in December
Kalgary, TX

Average rainfall in December - Kalgary, TX
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is September (2.44").
The driest month (with the least rainfall) is February (0.39").

Average rainfall days in December
Kalgary, TX

Average rainfall days in December - Kalgary, TX
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is September (13.1 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in December
Kalgary, TX

Average snowfall in December - Kalgary, TX
  • Average snowfall in December: 1.26"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Kalgary, TX

Average snowfall days in December - Kalgary, TX
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Kalgary, TX

Average daylight in December / Average sunshine in December - Kalgary, TX
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in December
Kalgary, TX

Average sunshine days in December - Kalgary, TX
  • Average sunshine days in December: 25.1 days

The month with the most sunshine days is January (26.9 days).
The month with the least sunshine days is September (14.9 days).

Average UV index in December
Kalgary, TX

Average UV index in December - Kalgary, TX
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Kalgary, TX

Average cloud cover in December - Kalgary, TX
  • Average cloud cover in December: 22

The month with the most cloud cover is September (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in December
Kalgary, TX

Average visibility in December - Kalgary, TX
  • Average visibility in December: 6mi

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

Kalgary, Texas, USA

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