December weather forecastBell, CA
December
Weather in December
December, the first month of the winter in Bell, is still a refreshing month, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 50.9°F (10.5°C).Temperature
The lowest temperatures are recorded in December, with averages reaching a high of 64.6°F (18.1°C) and a low of 50.9°F (10.5°C).Humidity
In Bell, the average relative humidity in December is 53%.Rainfall
December is the month with the most rainfall. Rain falls for 5.4 days and accumulates 1.38" (35mm) of precipitation.Daylight
The month with the shortest days in Bell is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 4:43 pm. On the last day of December, sunrise is at 6:57 am and sunset at 4:54 pm PST.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year in Bell.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 4 during December translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bell, CA
- Average high temperature in December: 64.6°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (64.6°F).
- Average low temperature in December: 50.9°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in December
Bell, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in December
Bell, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in December
Bell, CA
- Average humidity in December: 53%
The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (50%).
Average rainfall in December
Bell, CA
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Bell, CA
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is March (6.4 days).
The month with the least rainy days is June (1 days).
Average daylight in December /
Average sunshine in December
Bell, CA
- Average daylight in December: 9h and 54min
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 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Bell, CA
- Average sunshine days in December: 24.1 days
The month with the most sunshine days is August (27.2 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in December
Bell, CA
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
Bell, CA
- Average cloud cover in December: 22
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Bell, 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).
