December weather forecast
Natrona, WY

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Weather in December

The first month of the winter, December, is also a subzero cold month in Natrona, Wyoming, with an average temperature ranging between max 28.6°F (-1.9°C) and min 15.1°F (-9.4°C).

Temperature

December stands out as Natrona's coldest month, with temperatures ranging between an average high of 28.6°F (-1.9°C) and a low of 15.1°F (-9.4°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Natrona, Wyoming, in December, it is raining for 3.3 days, with typically 0.63" (16mm) of accumulated precipitation. In Natrona, during the entire year, the rain falls for 81 days and collects up to 8.98" (228mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Natrona, in December, snow falls for 9.8 days, with typically accumulated 4.21" (107mm) of snow. In Natrona, during the entire year, snow falls for 62.6 days and aggregates up to 31.65" (804mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:42 pm MST.

Sunshine

In Natrona, the average sunshine in December is 6.5h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

What are the coldest months?

December is the month that records the lowest temperatures, with averages ranging from a high of 28.6°F (-1.9°C) to a low of 15.1°F (-9.4°C).

How cold is December?

In December, the average high-temperature and low-temperature are 28.6°F (-1.9°C) and 15.1°F (-9.4°C) respectively.

What is the average humidity in December?

In Natrona, the average relative humidity in December is 76%.

How much does it rain in December?

In Natrona, in December, during 3.3 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

How much does it snow in Natrona in December?

In December, it is snowing for 9.8 days. Throughout December, 4.21" (107mm) of snow is 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 Natrona, the average day length in December is 9h and 4min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:19 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:42 pm MST.

How many hours of sunshine does Natrona have in December?

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

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

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Natrona, WY

Average temperature in December - Natrona, WY
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in December: 15.1°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).

Average pressure in December
Natrona, WY

Average pressure in December - Natrona, WY
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Natrona, WY

Average wind speed in December - Natrona, WY
  • Average wind speed in December: 11.6mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

Average humidity in December
Natrona, WY

Average humidity in December - Natrona, WY
  • Average humidity in December: 76%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (36%).

Average rainfall in December
Natrona, WY

Average rainfall in December - Natrona, WY
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is August (0.35").

Average rainfall days in December
Natrona, WY

Average rainfall days in December - Natrona, WY
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is May (10.9 days).
The month with the least rainy days is December (3.3 days).

Average snowfall in December
Natrona, WY

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

The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Natrona, WY

Average snowfall days in December - Natrona, WY
  • Average snowfall days in December: 9.8 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Natrona, 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 3min

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 12min).

Average sunshine days in December
Natrona, WY

Average sunshine days in December - Natrona, WY
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is April (13.6 days).

Average UV index in December
Natrona, WY

Average UV index in December - Natrona, 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, March, October, November and December (UV index 2).

Average cloud cover in December
Natrona, WY

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

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
Natrona, WY

Average visibility in December - Natrona, 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).

Natrona, Wyoming, USA

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