December weather forecast
Banning, CA

Share

Weather in December

December, the first month of the winter in Banning, is still a refreshing month, with an average temperature fluctuating between 40.1°F (4.5°C) and 56.5°F (13.6°C).

Temperature

December is Banning's coldest month, registering average high temperatures of 56.5°F (13.6°C) and lows of 40.1°F (4.5°C).

Humidity

The average relative humidity in December is 53%.

Rainfall

In Banning, during December, the rain falls for 5.9 days and regularly aggregates up to 1.22" (31mm) of precipitation. 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 are February, March, November and December. December is the last month it regularly snows. 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, with an average of 9h and 54min of daylight.
On the first day of December in Banning, sunrise is at 6:35 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:49 pm PST.

Sunshine

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

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 threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 3 in December interprets into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

December, with an average high of 56.5°F (13.6°C) and a low of 40.1°F (4.5°C), signifies the coldest month of the year.

What is the temperature in December?

The high-temperature during December is 56.5°F (13.6°C) and the low-temperature is 40.1°F (4.5°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 53%.

How much does it rain in December?

In Banning, 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?

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?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

What is the average length of the day in December?

In December, the average day length 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, sunrise is at 6:52 am and sunset at 4:49 pm PST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

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

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Banning, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location