December weather forecast
Torrington, WY

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Weather in December

December marks the peak of winter in Torrington, with temperatures dropping further and the greatest amount of snowfall recorded, reaching to 2.83" (72mm). Chilly weather continues to reign, aided by strong winds with gusts of up to 18.3mph (29.5km/h). Providing fewer hours of daylight, December presents a vast diversity of weather conditions including low temperatures, thick layers of snow, and robust wind speeds and gusts, marking the year's end with a rich winter experience.

Temperature

In Torrington, December records the lowest average temperatures, peaking at 36°F (2.2°C) and reaching a low of 20.8°F (-6.2°C).

Humidity

The months with the highest humidity in Torrington are January and December, with an average relative humidity of 67%.

Rainfall

In December, the rain falls for 4.1 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Torrington, during the entire year, the rain falls for 110.8 days and collects up to 12.87" (327mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Torrington, during December, snow falls for 7.1 days and regularly aggregates up to 2.83" (72mm) of snow. In Torrington, during the entire year, snow falls for 42.1 days and aggregates up to 20.75" (527mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:06 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:35 pm MST.

Sunshine

The average sunshine in December is 6.5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 2 in December translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

December, with average temperatures reaching a high of 36°F (2.2°C) and a low of 20.8°F (-6.2°C), is the coldest month.

How cold is December?

In December, in Torrington, the average high-temperature is 36°F (2.2°C), and the average low-temperature is 20.8°F (-6.2°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is estimated at 87.8°F (31°C).

What is the most humid month?

The months with the highest humidity are January and December, with an average relative humidity of 67%.

What is the average humidity in December in Torrington?

In Torrington, the average relative humidity in December is 67%.

How much does it rain in December?

In December, the rain falls for 4.1 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

How many days does it snow in December?

In Torrington, in December, during 7.1 snowfall days, 2.83" (72mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

How many hours of daylight does Torrington have in December?

The average day length in December is 9h and 10min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:35 pm MST.

How many hours of sunshine does Torrington have in December?

In Torrington, the average sunshine duration in December is 6.5h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index value 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
Torrington, WY

Average temperature in December - Torrington, WY
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in December: 20.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).

Average pressure in December
Torrington, WY

Average pressure in December - Torrington, WY
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Torrington, WY

Average wind speed in December - Torrington, WY
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in December
Torrington, WY

Average humidity in December - Torrington, WY
  • Average humidity in December: 67%

The months with the highest relative humidity are January and December (67%).
The months with the lowest relative humidity are August and September (44%).

Average rainfall in December
Torrington, WY

Average rainfall in December - Torrington, WY
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in December
Torrington, WY

Average rainfall days in December - Torrington, WY
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is December (4.1 days).

Average snowfall in December
Torrington, WY

Average snowfall in December - Torrington, WY
  • Average snowfall in December: 2.83"

The month with the highest snowfall is May (3.11").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Torrington, WY

Average snowfall days in December - Torrington, WY
  • Average snowfall days in December: 7.1 days

The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Torrington, WY

Average daylight in December / Average sunshine in December - Torrington, WY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 6h and 3min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

Average sunshine days in December
Torrington, WY

Average sunshine days in December - Torrington, WY
  • Average sunshine days in December: 20.8 days

The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in December
Torrington, WY

Average UV index in December - Torrington, WY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Torrington, WY

Average cloud cover in December - Torrington, WY
  • Average cloud cover in December: 31

The month with the most cloud cover is February (Cloud cover 33).
The months with the least cloud cover are August and September (Cloud cover 16).

Average visibility in December
Torrington, WY

Average visibility in December - Torrington, WY
  • 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).

Torrington, Wyoming, USA

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