December weather forecastHuntington Beach, CA
December
Weather in December
December, the first month of the winter in Huntington Beach, is still a comfortable month, with an average temperature ranging between min 54°F (12.2°C) and max 62.2°F (16.8°C).Temperature
Temperature readings reach their annual highs in December, averaging 62.2°F (16.8°C) and a minimum average of 54°F (12.2°C).Humidity
The average relative humidity in December is 61%.Rainfall
December is the month with the most rainfall. Rain falls for 6.9 days and accumulates 1.85" (47mm) of precipitation.Ocean temperature
In Huntington Beach, the average seawater temperature in December is 60.3°F (15.7°C).Note: For swimming, a surface water temperature of 60.3°F (15.7°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).
Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.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, sunrise is at 6:56 am and sunset at 4:54 pm PST.
Sunshine
December has the least sunshine of the year in Huntington Beach, with an average of 6.6h of sunshine.UV index
February, March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 4 suggests these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Huntington Beach, CA
- Average high temperature in December: 62.2°F
The warmest months (with the highest average high temperature) are August and September (75°F).
The month with the lowest average high temperature is December (62.2°F).
- Average low temperature in December: 54°F
The months with the highest average low temperature are August and September (64.8°F).
The coldest month (with the lowest average low temperature) is February (53.2°F).
Average pressure in December
Huntington 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
Huntington Beach, CA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is October (5.5mph).
Average humidity in December
Huntington Beach, CA
- Average humidity in December: 61%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is November (60%).
Average rainfall in December
Huntington Beach, CA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Huntington Beach, CA
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is March (7.9 days).
The month with the least rainy days is June (3.1 days).
Average sea temperature in December
Huntington Beach, CA
- Average sea temperature in December: 60.3°F
The best months for swimming (with the highest average sea temperature) are July and August (67.7°F).
The coldest month (with the lowest average sea temperature) is January (58.5°F).
Average daylight in December /
Average sunshine in December
Huntington 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 36min
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 36min).
Average sunshine days in December
Huntington Beach, CA
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is February (19.5 days).
Average UV index in December
Huntington 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 February, March, November and December (UV index 4).
Average cloud cover in December
Huntington Beach, 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
Huntington 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).
