December weather forecast
Big Bend, CA

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Weather in December

December, the first month of the winter in Big Bend, is also an icy month, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 42.3°F (5.7°C).

Temperature

December is the month when Big Bend sees the lowest average temperatures, with a high of 42.3°F (5.7°C) and a low of 27.5°F (-2.5°C).

Humidity

In Big Bend, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 4.61" (117mm) of precipitation is accumulated. Throughout the year, there are 110.4 rainfall days, and 28.62" (727mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Big Bend, during December, snow falls for 6.5 days and regularly aggregates up to 8.82" (224mm) of snow. In Big Bend, during the entire year, snow falls for 33.1 days and aggregates up to 53.35" (1355mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Big Bend, California.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:49 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5h of sunshine.

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 minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

December is the coldest month, with the temperature often reaching an average high of 42.3°F (5.7°C) and an average low of 27.5°F (-2.5°C).

How cold is December in Big Bend?

In December, the average high-temperature and low-temperature are 42.3°F (5.7°C) and 27.5°F (-2.5°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in Big Bend in December?

In Big Bend, California, in December, during 11.8 rainfall days, 4.61" (117mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 6.5 days. Throughout December, 8.82" (224mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Big Bend have in December?

In Big Bend, the average day length in December is 9h and 17min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:49 pm PST.

What is the month with the least sunshine in Big Bend?

With an average of 5h of sunshine, December has the least sunshine of the year in Big Bend.

How many hours of sunshine does Big Bend have in December?

The average sunshine duration in December is 5h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe 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
Big Bend, CA

Average temperature in December - Big Bend, CA
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (52.3°F).
The coldest month (with the lowest average low temperature) is December (27.5°F).

Average pressure in December
Big Bend, CA

Average pressure in December - Big Bend, CA
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

Average wind speed in December
Big Bend, CA

Average wind speed in December - Big Bend, CA
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Big Bend, CA

Average humidity in December - Big Bend, CA
  • Average humidity in December: 79%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (43%).

Average rainfall in December
Big Bend, CA

Average rainfall in December - Big Bend, CA
  • Average rainfall in December: 4.61"

The wettest month (with the highest rainfall) is March (5.08").
The driest months (with the least rainfall) are July and August (0.28").

Average rainfall days in December
Big Bend, CA

Average rainfall days in December - Big Bend, CA
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (2.5 days).

Average snowfall in December
Big Bend, CA

Average snowfall in December - Big Bend, CA
  • Average snowfall in December: 8.82"

The month with the highest snowfall is January (13.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Big Bend, CA

Average snowfall days in December - Big Bend, CA
  • Average snowfall days in December: 6.5 days

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

Average daylight in December /
Average sunshine in December
Big Bend, CA

Average daylight in December / Average sunshine in December - Big Bend, CA
  • Average daylight in December: 9h and 2min

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

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Big Bend, CA

Average sunshine days in December - Big Bend, CA
  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is March (10.9 days).

Average UV index in December
Big Bend, CA

Average UV index in December - Big Bend, CA
  • Average UV index in December: 2

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

Average cloud cover in December
Big Bend, CA

Average cloud cover in December - Big Bend, CA
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in December
Big Bend, CA

Average visibility in December - Big Bend, CA
  • Average visibility in December: 5mi

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

Big Bend, California, USA

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