December weather forecastEl Segundo, CA
December
Weather in December
The first month of the winter, December, is also an enjoyable month in El Segundo, California, with an average temperature fluctuating between 63.9°F (17.7°C) and 51.8°F (11°C).Temperature
El Segundo witnesses the coldest weather in December, with temperatures averaging a high of 63.9°F (17.7°C) and a low of 51.8°F (11°C).Humidity
In El Segundo, the average relative humidity in December is 57%.Rainfall
In El Segundo, during December, the rain falls for 3.5 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 33 rainfall days, and 3.11" (79mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:41 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:55 pm PST.
Sunshine
January, February and December, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 4 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
El Segundo, CA
- Average high temperature in December: 63.9°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in December: 51.8°F
The month with the highest average low temperature is August (64.6°F).
The coldest month (with the lowest average low temperature) is February (51.4°F).
Average pressure in December
El Segundo, 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 (29.9"Hg).
Average wind speed in December
El Segundo, CA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
El Segundo, CA
- Average humidity in December: 57%
The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (55%).
Average rainfall in December
El Segundo, CA
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is February (0.63").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
El Segundo, CA
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is March (5.9 days).
The months with the least rainy days are June and August (0.9 days).
Average daylight in December /
Average sunshine in December
El Segundo, 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 months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days in December
El Segundo, CA
- Average sunshine days in December: 27 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (23.6 days).
Average UV index in December
El Segundo, 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, March, November and December (UV index 4).
Average cloud cover in December
El Segundo, CA
- Average cloud cover in December: 23
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
El Segundo, 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).





