December weather forecast
Orin, WY

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Weather in December

The first month of the winter, December, is still a freezing cold month in Orin, Wyoming, with an average temperature varying between 18.1°F (-7.7°C) and 31.3°F (-0.4°C).

Temperature

In Orin, the month of December is known for its lowest average temperatures, reaching a high of 31.3°F (-0.4°C) and a low of 18.1°F (-7.7°C).

Humidity

The average relative humidity in December is 71%.

Rainfall

In Orin, in December, it is raining for 5 days, with typically 0.71" (18mm) of accumulated precipitation. In Orin, during the entire year, the rain falls for 93.9 days and collects up to 12.09" (307mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Orin, in December, during 11.5 snowfall days, 4.21" (107mm) of snow is typically accumulated. In Orin, during the entire year, snow falls for 60.9 days and aggregates up to 34.21" (869mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Orin.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:37 pm MST.

Sunshine

In Orin, the average sunshine in December is 6.6h.

UV index

January, February, April, November and 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 hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jul 25, 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, recording an average high temperature of 31.3°F (-0.4°C) and a low temperature of 18.1°F (-7.7°C), is Orin's coldest month.

How cold is it in December?

The high-temperature, in December, in Orin, is 31.3°F (-0.4°C), while the low-temperature averages to 18.1°F (-7.7°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 82.4°F (28°C).

What is the average humidity in December?

The average relative humidity in December is 71%.

How much does it rain in Orin in December?

In Orin, Wyoming, in December, it is raining for 5 days, with typically 0.71" (18mm) of accumulated precipitation.

How much does it snow in December?

In Orin, Wyoming, in December, during 11.5 snowfall days, 4.21" (107mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

In Orin, the average day length in December is 9h and 7min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:37 pm MST.

How many hours of sunshine does Orin have in December?

In December, the average sunshine duration is 6.6h.

When is the lowest UV index?

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

What is the UV index reading in December in Orin?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Orin, WY

Average temperature in December - Orin, WY
  • Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in December: 18.1°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).

Average pressure in December
Orin, WY

Average pressure in December - Orin, WY
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Orin, WY

Average wind speed in December - Orin, WY
  • Average wind speed in December: 12.2mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

Average humidity in December
Orin, WY

Average humidity in December - Orin, WY
  • Average humidity in December: 71%

The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is August (40%).

Average rainfall in December
Orin, WY

Average rainfall in December - Orin, WY
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in December
Orin, WY

Average rainfall days in December - Orin, WY
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Orin, WY

Average snowfall in December - Orin, WY
  • Average snowfall in December: 4.21"

The month with the highest snowfall is April (5.59").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Orin, WY

Average snowfall days in December - Orin, WY
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in December
Orin, WY

Average sunshine days in December - Orin, WY
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is April (11.3 days).

Average UV index in December
Orin, WY

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

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

Average cloud cover in December
Orin, WY

Average cloud cover in December - Orin, WY
  • Average cloud cover in December: 30

The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Orin, WY

Average visibility in December - Orin, 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).

Orin, Wyoming, USA

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