December weather forecast
Point of Rocks, WY

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Weather in December

The first month of the winter, December, is still a freezing cold month in Point of Rocks, Wyoming, with temperature in the range of an average high of 25.7°F (-3.5°C) and an average low of 11.5°F (-11.4°C).

Temperature

Point of Rocks's coldest weather arrives in December, when temperatures average a high of 25.7°F (-3.5°C) and a low of 11.5°F (-11.4°C).

Humidity

The average relative humidity in December is 82%.

Rainfall

In Point of Rocks, in December, it is raining for 4.7 days, with typically 0.71" (18mm) of accumulated precipitation. In Point of Rocks, during the entire year, the rain falls for 93.5 days and collects up to 10.31" (262mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Point of Rocks, during December, snow falls for 13.5 days and regularly aggregates up to 4.37" (111mm) of snow. In Point of Rocks, Wyoming, during the entire year, snow falls for 75.5 days and aggregates up to 30.16" (766mm) 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 7:23 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:54 pm MST.

Sunshine

January and December, with an average of 5.9h of sunshine, are months with the least sunshine in Point of Rocks.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Point of Rocks?

With average high temperatures of 25.7°F (-3.5°C) and lows of 11.5°F (-11.4°C), December is the coldest month.

How cold is it in Point of Rocks in December?

The average high-temperature, in December, in Point of Rocks, is 25.7°F (-3.5°C), while the average low-temperature is 11.5°F (-11.4°C).

What is the average humidity in December in Point of Rocks?

In Point of Rocks, Wyoming, the average relative humidity in December is 82%.

How many days does it rain in December in Point of Rocks?

In Point of Rocks, Wyoming, in December, during 4.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

How much does it snow in Point of Rocks in December?

In Point of Rocks, during December, snow falls for 13.5 days and regularly aggregates up to 4.37" (111mm) of snow.

What is the month with the shortest days in Point of Rocks?

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

What is the average length of the day in December in Point of Rocks?

In Point of Rocks, the average day length in December is 9h and 13min.

When is the sunrise / sunset in December in Point of Rocks?

On the first day of December in Point of Rocks, sunrise is at 7:23 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:54 pm MST.

What are the months with the least sunshine in Point of Rocks?

The months with the least sunshine are January and December, with an average of 5.9h of sunshine.

How long on average sun shines in December in Point of Rocks?

The average sunshine duration in December in Point of Rocks, Wyoming, is 5.9h.

What is the month with the lowest UV index in Point of Rocks?

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

What is the UV index intensity in December in Point of Rocks?

In Point of Rocks, Wyoming, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Point of Rocks, WY

Average temperature in December - Point of Rocks, WY
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in December: 11.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Point of Rocks, WY

Average pressure in December - Point of Rocks, WY
  • Average pressure in December: 30.24"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Point of Rocks, WY

Average wind speed in December - Point of Rocks, WY
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in December
Point of Rocks, WY

Average humidity in December - Point of Rocks, WY
  • Average humidity in December: 82%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall in December
Point of Rocks, WY

Average rainfall in December - Point of Rocks, WY
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in December
Point of Rocks, WY

Average rainfall days in December - Point of Rocks, WY
  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).

Average snowfall in December
Point of Rocks, WY

Average snowfall in December - Point of Rocks, WY
  • Average snowfall in December: 4.37"

The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Point of Rocks, WY

Average snowfall days in December - Point of Rocks, WY
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Point of Rocks, WY

Average daylight in December / Average sunshine in December - Point of Rocks, 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 months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

Average sunshine days in December
Point of Rocks, WY

Average sunshine days in December - Point of Rocks, WY
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).

Average UV index in December
Point of Rocks, WY

Average UV index in December - Point of Rocks, 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
Point of Rocks, WY

Average cloud cover in December - Point of Rocks, WY
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Point of Rocks, WY

Average visibility in December - Point of Rocks, 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).

Point of Rocks, Wyoming, USA

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