December weather forecast
Carlson, WY

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Weather in December

The first month of the winter, December, is still a freezing cold month in Carlson, Wyoming, with an average temperature varying between 25.5°F (-3.6°C) and 10°F (-12.2°C).

Temperature

In Carlson, December records the lowest average temperatures, peaking at 25.5°F (-3.6°C) and reaching a low of 10°F (-12.2°C).

Humidity

In December, the average relative humidity is 88%.

Rainfall

In December, the rain falls for 6.6 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. In Carlson, during the entire year, the rain falls for 114.5 days and collects up to 21.38" (543mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Carlson, Wyoming, in December, during 20.2 snowfall days, 14.76" (375mm) of snow is typically accumulated. In Carlson, during the entire year, snow falls for 107.8 days and aggregates up to 86.89" (2207mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Carlson.
On the first day of the month, sunrise is at 7:32 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:03 pm MST.

Sunshine

In Carlson, the average sunshine in December is 4.6h.

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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 1 suggests this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. It's recommended to limit sun exposure when its radiation is at its peak during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

December stands out as Carlson's coldest month, with temperatures ranging between an average high of 25.5°F (-3.6°C) and a low of 10°F (-12.2°C).

How cold is it in December?

An average high-temperature, in December, in Carlson, is 25.5°F (-3.6°C) and the average low-temperature is 10°F (-12.2°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 Carlson, in December, it is raining for 6.6 days, with typically 1.97" (50mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 20.2 days. Throughout December, 14.76" (375mm) of snow is 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 Carlson have in December?

The average day length in December is 9h and 11min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:32 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:03 pm MST.

How long on average sun shines in December?

In Carlson, Wyoming, the average sunshine duration in December is 4.6h.

What are the months with the lowest UV index?

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

How high is the UV index in December in Carlson?

The average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Carlson, WY

Average temperature in December - Carlson, WY
  • Average high temperature in December: 25.5°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in December: 10°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in December
Carlson, WY

Average pressure in December - Carlson, WY
  • Average pressure in December: 30.25"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Carlson, WY

Average wind speed in December - Carlson, WY
  • Average wind speed in December: 4.7mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).

Average humidity in December
Carlson, WY

Average humidity in December - Carlson, WY
  • Average humidity in December: 88%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (42%).

Average rainfall in December
Carlson, WY

Average rainfall in December - Carlson, WY
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is July (1.02").

Average rainfall days in December
Carlson, WY

Average rainfall days in December - Carlson, WY
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (4.9 days).

Average snowfall in December
Carlson, WY

Average snowfall in December - Carlson, WY
  • Average snowfall in December: 14.76"

The month with the highest snowfall is January (17.4").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Carlson, WY

Average snowfall days in December - Carlson, WY
  • Average snowfall days in December: 20.2 days

The month with the highest number of snowfall days is February (20.5 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Carlson, 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: 4h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Carlson, WY

Average sunshine days in December - Carlson, WY
  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is June (18.2 days).
The month with the least sunshine days is February (7.9 days).

Average UV index in December
Carlson, WY

Average UV index in December - Carlson, WY
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Carlson, WY

Average cloud cover in December - Carlson, WY
  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in December
Carlson, WY

Average visibility in December - Carlson, WY
  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

Carlson, Wyoming, USA

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