December weather forecast
Rawlins, WY

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Weather in December

December extends a cold welcome in Rawlins, with mercury plunging further. Snowfall escalates, registering the highest for the year at 4.76" (121mm), indicating peak winters. The weather becomes colder, bleaker and snowier than its preceding November. Shorter days and scarce sunshine make for a typical winter atmosphere. December concludes with Rawlins transformed into a snowy haven, waiting for the New Year’s arrival.

Temperature

December stands out as Rawlins's coldest month, with temperatures ranging between an average high of 26.4°F (-3.1°C) and a low of 13.5°F (-10.3°C).

Humidity

The average relative humidity in December in Rawlins is 81%.

Rainfall

In Rawlins, in December, it is raining for 4.6 days, with typically 0.79" (20mm) of accumulated precipitation. In Rawlins, Wyoming, during the entire year, the rain falls for 81.7 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Rawlins, during December, snow falls for 13.6 days and regularly aggregates up to 4.76" (121mm) of snow. Throughout the year, in Rawlins, Wyoming, there are 80.6 snowfall days, and 33.39" (848mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Rawlins.
On the first day of December, sunrise is at 7:17 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:48 pm MST.

Sunshine

In December, the average sunshine in Rawlins is 5.9h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Rawlins?

In Rawlins, the average lowest temperatures are observed in December, with a high of 26.4°F (-3.1°C) and a low of 13.5°F (-10.3°C).

How cold is December in Rawlins?

The high-temperature in Rawlins during December is 26.4°F (-3.1°C) and the low-temperature is 13.5°F (-10.3°C).

What is the average humidity in December in Rawlins?

In December, the average relative humidity is 81%.

How much does it rain in Rawlins in December?

In Rawlins, Wyoming, in December, during 4.6 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

How much does it snow in Rawlins in December?

In December, in Rawlins, it is snowing for 13.6 days. Throughout December, 4.76" (121mm) of snow is accumulated.

What is the month with the shortest days in Rawlins?

The month with the shortest days in Rawlins is December, with an average of 9h and 12min of daylight.

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

The average day length in December is 9h and 12min.

When are sunrise and sunset in December in Rawlins?

In December, on the first day of the month, sunrise is at 7:17 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:48 pm MST.

How many hours of sunshine does Rawlins have in December?

In December, the average sunshine duration is 5.9h.

What is the month with the lowest UV index in Rawlins?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Rawlins.

What is the UV index reading in December in Rawlins?

The average daily maximum UV index in December in Rawlins is 2. A UV Index 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
Rawlins, WY

Average temperature in December - Rawlins, WY
  • Average high temperature in December: 26.4°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (26.4°F).

  • Average low temperature in December: 13.5°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

Average pressure in December
Rawlins, WY

Average pressure in December - Rawlins, WY
  • Average pressure in December: 30.2"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Rawlins, WY

Average wind speed in December - Rawlins, WY
  • Average wind speed in December: 12.6mph

The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.5mph).

Average humidity in December
Rawlins, WY

Average humidity in December - Rawlins, WY
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are July and August (35%).

Average rainfall in December
Rawlins, WY

Average rainfall in December - Rawlins, WY
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is August (0.35").

Average rainfall days in December
Rawlins, WY

Average rainfall days in December - Rawlins, WY
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is November (3.2 days).

Average snowfall in December
Rawlins, WY

Average snowfall in December - Rawlins, WY
  • Average snowfall in December: 4.76"

The month with the highest snowfall is April (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Rawlins, WY

Average snowfall days in December - Rawlins, WY
  • Average snowfall days in December: 13.6 days

The month with the highest number of snowfall days is February (14.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Rawlins, 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: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average sunshine days in December
Rawlins, WY

Average sunshine days in December - Rawlins, WY
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is June (21.1 days).
The month with the least sunshine days is February (11.2 days).

Average UV index in December
Rawlins, WY

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in December
Rawlins, WY

Average cloud cover in December - Rawlins, WY
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 13).

Average visibility in December
Rawlins, WY

Average visibility in December - Rawlins, WY
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Rawlins, Wyoming, USA

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