December weather forecastGardena, CA
December
Weather in December
December, the first month of the winter in Gardena, is still a comfortable month, with an average temperature varying between 52.5°F (11.4°C) and 63.7°F (17.6°C).Temperature
With average high temperatures of 63.7°F (17.6°C) and lows of 52.5°F (11.4°C), December is the coldest month.Humidity
The average relative humidity in December in Gardena, California, is 57%.Rainfall
In Gardena, in December, during 5.7 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Gardena, California, during the entire year, the rain falls for 51.7 days and collects up to 7.83" (199mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December in Gardena, sunrise is at 6:40 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:54 pm PST.
Sunshine
The month with the least sunshine in Gardena is December, with an average of 6.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Gardena. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 4 suggests these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gardena, CA
- Average high temperature in December: 63.7°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in December: 52.5°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).
Average pressure in December
Gardena, 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, August and September (29.9"Hg).
Average wind speed in December
Gardena, CA
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are August, September and October (5mph).
Average humidity in December
Gardena, CA
- Average humidity in December: 57%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (55%).
Average rainfall in December
Gardena, CA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Gardena, CA
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (2.1 days).
Average daylight in December /
Average sunshine in December
Gardena, 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: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Gardena, CA
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is October (25 days).
The month with the least sunshine days is June (19.8 days).
Average UV index in December
Gardena, 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
Gardena, CA
- Average cloud cover in December: 22
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Gardena, 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).
