December weather forecast
Sand Draw, WY

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Weather in December

The first month of the winter, December, is also a subzero cold month in Sand Draw, Wyoming, with an average temperature varying between 14.7°F (-9.6°C) and 30.9°F (-0.6°C).

Temperature

December is the coldest month, with the temperature often reaching an average high of 30.9°F (-0.6°C) and an average low of 14.7°F (-9.6°C).

Humidity

In December, the average relative humidity is 72%.

Rainfall

In Sand Draw, in December, during 3.1 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Sand Draw, during the entire year, the rain falls for 67.6 days and collects up to 6.81" (173mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Sand Draw, during December, snow falls for 6.7 days and regularly aggregates up to 2.24" (57mm) of snow. Throughout the year, in Sand Draw, there are 42.7 snowfall days, and 24.92" (633mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:49 pm MST.

Sunshine

The average sunshine in December in Sand Draw is 6.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

December, marked by an average high-temperature of 30.9°F (-0.6°C) and a low-temperature of 14.7°F (-9.6°C), is the coldest month.

How cold is it in December?

In Sand Draw, in December, the average high-temperature is 30.9°F (-0.6°C), and the average low-temperature is 14.7°F (-9.6°C).

What is the average humidity in December?

In December, the average relative humidity is 72%.

How many days does it rain in December?

In Sand Draw, during December, the rain falls for 3.1 days and regularly aggregates up to 0.31" (8mm) of precipitation.

How much does it snow in December?

In Sand Draw, during December, snow falls for 6.7 days and regularly aggregates up to 2.24" (57mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

In Sand Draw, the average day length in December is 9h and 6min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:24 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:49 pm MST.

How long on average sun shines in December?

In Sand Draw, the average sunshine duration in December is 6.7h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Sand Draw, WY

Average temperature in December - Sand Draw, WY
  • Average high temperature in December: 30.9°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (30.9°F).

  • Average low temperature in December: 14.7°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in December
Sand Draw, WY

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

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Sand Draw, WY

Average wind speed in December - Sand Draw, WY
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

Average humidity in December
Sand Draw, WY

Average humidity in December - Sand Draw, WY
  • Average humidity in December: 72%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall in December
Sand Draw, WY

Average rainfall in December - Sand Draw, WY
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in December
Sand Draw, WY

Average rainfall days in December - Sand Draw, WY
  • Average rainfall days in December: 3.1 days

The month with the highest number of rainy days is May (9.9 days).
The month with the least rainy days is January (2.5 days).

Average snowfall in December
Sand Draw, WY

Average snowfall in December - Sand Draw, WY
  • Average snowfall in December: 2.24"

The month with the highest snowfall is April (5.39").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Sand Draw, WY

Average snowfall days in December - Sand Draw, WY
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Sand Draw, WY

Average daylight in December / Average sunshine in December - Sand Draw, 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 January (Average sunshine: 6h and 36min).

Average sunshine days in December
Sand Draw, WY

Average sunshine days in December - Sand Draw, WY
  • Average sunshine days in December: 23.5 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (15.5 days).

Average UV index in December
Sand Draw, WY

Average UV index in December - Sand Draw, WY
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Sand Draw, WY

Average cloud cover in December - Sand Draw, WY
  • Average cloud cover in December: 26

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in December
Sand Draw, WY

Average visibility in December - Sand Draw, 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).

Sand Draw, Wyoming, USA

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