Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Temperature readings reach their annual highs in December, averaging 54.1°F (12.3°C) and a minimum average of 40.3°F (4.6°C).Humidity
In Gerber, the average relative humidity in December is 66%.Rainfall
December is the month with the most rainfall. Rain falls for 11.1 days and accumulates 3.07" (78mm) of precipitation.Snowfall
In Gerber, snow does not fall in January, March through December.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:53 pm PST.
Sunshine
January and December, with an average of 5.8h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Gerber. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the average December temperature?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
When it does not snow?
What is the month with the shortest days?
How many hours of daylight does Gerber have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Gerber, CA
- Average high temperature in December: 54.1°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).
Average pressure in December
Gerber, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Gerber, CA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Gerber, CA
- Average humidity in December: 66%
The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in December
Gerber, CA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in December
Gerber, CA
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is August (1.1 days).
Average snowfall days in December
Gerber, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Gerber, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in December
Gerber, CA
- Average sunshine days in December: 18.5 days
The months with the most sunshine days are July and August (29.3 days).
The month with the least sunshine days is March (14.9 days).
Average UV index in December
Gerber, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Gerber, CA
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Gerber, 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).
Gerber, California, USA
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