December weather forecastCorona Del Mar, CA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Corona Del Mar, California, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 53.1°F (11.7°C).Temperature
December brings the lowest temperatures, with an average high of 62.4°F (16.9°C) and an average low of 53.1°F (11.7°C).Humidity
The average relative humidity in December in Corona Del Mar is 62%.Rainfall
December is the month with the most rainfall. Rain falls for 6.6 days and accumulates 1.69" (43mm) of precipitation.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:38 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:53 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.6h of 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 moderate health risk from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 4 in December leads to these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. When the Sun is at its strongest around midday, find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Corona Del Mar, CA
- Average high temperature in December: 62.4°F
The warmest month (with the highest average high temperature) is August (76.1°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in December: 53.1°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (52.3°F).
Average pressure in December
Corona Del Mar, 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
Corona Del Mar, CA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.3mph).
Average humidity in December
Corona Del Mar, CA
- Average humidity in December: 62%
The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).
Average rainfall in December
Corona Del Mar, CA
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Corona Del Mar, CA
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is August (3.8 days).
Average daylight in December /
Average sunshine in December
Corona Del Mar, 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: 6h and 36min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in December
Corona Del Mar, CA
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (19.3 days).
Average UV index in December
Corona Del Mar, CA
- Average UV index in December: 4
The months with the highest UV index are 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
Corona Del Mar, CA
- Average cloud cover in December: 24
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Corona Del Mar, 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).
