December weather forecastEl Centro, CA
December
Weather in December
December, the first month of the winter in El Centro, is still a refreshing month, with an average temperature ranging between max 66.4°F (19.1°C) and min 50°F (10°C).Temperature
In El Centro, December is the coldest month, with temperatures averaging a high of 66.4°F (19.1°C) and a low of 50°F (10°C).Humidity
With an average relative humidity of 40%, December is the most humid month.Rainfall
The months with the most rainfall are March, April, July through September and December, with an average 0.08" (2mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:27 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 4:46 pm PST.
Sunshine
The month with the least sunshine in El Centro is December, with an average of 7.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during December leads to these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
El Centro, CA
- Average high temperature in December: 66.4°F
The warmest month (with the highest average high temperature) is July (106.7°F).
The month with the lowest average high temperature is December (66.4°F).
- Average low temperature in December: 50°F
The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is January (49.8°F).
Average pressure in December
El Centro, CA
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in December
El Centro, CA
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in December
El Centro, CA
- Average humidity in December: 40%
The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).
Average rainfall in December
El Centro, CA
- Average rainfall in December: 0.08"
The wettest months (with the highest rainfall) are March, April, July, August, September and December (0.08").
The driest months (with the least rainfall) are May and June (0").
Average rainfall days in December
El Centro, CA
- Average rainfall days in December: 1 days
The month with the highest number of rainy days is July (2.8 days).
The month with the least rainy days is May (0.3 days).
Average daylight in December /
Average sunshine in December
El Centro, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 7h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in December
El Centro, CA
- Average sunshine days in December: 29.8 days
The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is August (25.8 days).
Average UV index in December
El Centro, CA
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
El Centro, CA
- Average cloud cover in December: 17
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in December
El Centro, 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).
