December weather forecastSunset Beach, CA
December
Weather in December
The first month of the winter, December, is still a comfortable month in Sunset Beach, California, with an average temperature varying between 62.8°F (17.1°C) and 53.4°F (11.9°C).Temperature
December is the coldest month of the year, registering average temperatures as high as 62.8°F (17.1°C) and as low as 53.4°F (11.9°C).Humidity
The average relative humidity in December is 59%.Rainfall
December is the month with the most rainfall in Sunset Beach. Rain falls for 6.6 days and accumulates 1.77" (45mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:39 am and sunset at 4:43 pm. On the last day of December, in Sunset Beach, sunrise is at 6:56 am and sunset at 4:54 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.7h 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 of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in December translates into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sunset Beach, CA
- Average high temperature in December: 62.8°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in December: 53.4°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (52.7°F).
Average pressure in December
Sunset Beach, 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
Sunset Beach, CA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.3mph).
Average humidity in December
Sunset Beach, CA
- Average humidity in December: 59%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (57%).
Average rainfall in December
Sunset Beach, CA
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Sunset Beach, CA
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is March (8.1 days).
The months with the least rainy days are June and August (2.3 days).
Average daylight in December /
Average sunshine in December
Sunset Beach, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 42min
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 42min).
Average sunshine days in December
Sunset Beach, CA
- Average sunshine days in December: 22.7 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (19.3 days).
Average UV index in December
Sunset Beach, 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
Sunset Beach, CA
- Average cloud cover in December: 23
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Sunset Beach, 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).
