December weather forecast
Banning, CA

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Weather in December

The first month of the winter, December, is also a moderate month in Banning, California, with an average temperature ranging between max 56.5°F (13.6°C) and min 40.1°F (4.5°C).

Temperature

Banning records the coldest temperatures in December, averaging a high of 56.5°F (13.6°C) and a low of 40.1°F (4.5°C).

Humidity

In Banning, the average relative humidity in December is 53%.

Rainfall

In Banning, in December, during 5.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Banning, during the entire year, the rain falls for 47.7 days and collects up to 6.69" (170mm) of precipitation.

Snowfall

Months with snowfall in Banning are February, March, November and December. December is the last month it regularly snows in Banning, California. During 0.3 snowfall days, in December, Banning aggregates 0.28" (7mm) of snow. In Banning, during the entire year, snow falls for 2.2 days and aggregates up to 2.01" (51mm) of snow.

Daylight

December has the shortest days of the year in Banning, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:35 am and sunset at 4:38 pm. On the last day of December, in Banning, sunrise is at 6:52 am and sunset at 4:49 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 6.7h of sunshine.

UV index

February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What part of the year is the coldest in Banning?

Banning, California, witnesses the coldest weather in December, with temperatures averaging a high of 56.5°F (13.6°C) and a low of 40.1°F (4.5°C).

What is the temperature in December in Banning?

The high-temperature, in December, in Banning, is 56.5°F (13.6°C), while the low-temperature averages to 40.1°F (4.5°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in December in Banning?

In December, the average relative humidity is 53%.

How much does it rain in Banning in December?

In Banning, California, during December, the rain falls for 5.9 days and regularly aggregates up to 1.22" (31mm) of precipitation.

What is the last month it snows in Banning?

December is the last month it regularly snows. During 0.3 snowfall days, in December, Banning aggregates 0.28" (7mm) of snow.

What is the month with the shortest days in Banning?

December has the shortest days of the year in Banning, with an average of 9h and 54min of daylight.

How many hours of daylight does Banning have in December?

In December, the average day length in Banning, California, is 9h and 56min.

When are sunrise and sunset in December in Banning?

In December, on the first day of the month, sunrise is at 6:35 am and sunset at 4:38 pm. On the last day of the month, in Banning, California, sunrise is at 6:52 am and sunset at 4:49 pm PST.

What is the month with the least sunshine in Banning?

December has the least sunshine of the year in Banning, California, with an average of 6.7h of sunshine.

How many hours of sunshine does Banning have in December?

In December, the average sunshine duration in Banning, California, is 6.7h.

When is the lowest UV index in Banning?

February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Banning, California.

What is the UV index reading in December in Banning?

In December, the average daily maximum UV index in Banning is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Banning, CA

Average temperature in December - Banning, CA
  • Average high temperature in December: 56.5°F

The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in December: 40.1°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

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Average pressure in December
Banning, CA

Average pressure in December - Banning, CA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in December
Banning, CA

Average wind speed in December - Banning, CA
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).

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Average humidity in December
Banning, CA

Average humidity in December - Banning, CA
  • Average humidity in December: 53%

The month with the highest relative humidity is February (54%).
The month with the lowest relative humidity is August (37%).

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Average rainfall in December
Banning, CA

Average rainfall in December - Banning, CA
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Banning, CA

Average rainfall days in December - Banning, CA
  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is December (5.9 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall in December
Banning, CA

Average snowfall in December - Banning, CA
  • Average snowfall in December: 0.28"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are January, April, May, June, July, August, September and October (0").

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Average snowfall days in December
Banning, CA

Average snowfall days in December - Banning, CA
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are January, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Banning, CA

Average daylight in December / Average sunshine in December - Banning, CA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in December
Banning, CA

Average sunshine days in December - Banning, CA
  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is June (28.4 days).
The month with the least sunshine days is February (21.8 days).

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Average UV index in December
Banning, CA

Average UV index in December - Banning, CA
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in December
Banning, CA

Average cloud cover in December - Banning, CA
  • Average cloud cover in December: 25

The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
Banning, CA

Average visibility in December - Banning, CA
  • 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).

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Banning, California, USA

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