Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December ushers in a minor alteration in Channel Islands Beach's climate, with the average high-temperature moving from November's comfortable 65.3°F (18.5°C) to a moderate 59.9°F (15.5°C). Channel Islands Beach experiences a consistent average temperature of 50.5°F (10.3°C) throughout the nights in December.Humidity
The average relative humidity in December is 59%.Rainfall
In Channel Islands Beach, during December, the rain falls for 5.3 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 46.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.Ocean temperature
In Channel Islands Beach, in December, the average water temperature is 58.8°F (14.9°C).Note: Entering waters of 58.8°F (14.9°C) is life-endangering. A mere moment in 55.4°F (13°C) waters feels piercing cold, and below 50°F (10°C) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:45 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:02 am and sunset at 4:57 pm PST.
Sunshine
In Channel Islands Beach, the average sunshine in December is 6.9h.UV index
January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Channel Islands Beach. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 4 turns into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the temperatures in Channel Islands Beach in December?
What is the average humidity in December in Channel Islands Beach?
How much does it rain in Channel Islands Beach in December?
What is the ocean temperature in December in Channel Islands Beach?
What is the month with the shortest days in Channel Islands Beach?
What is the average length of the day in December in Channel Islands Beach?
When is the sunrise / sunset in December in Channel Islands Beach?
How many hours of sunshine does Channel Islands Beach have in December?
What are the months with the lowest UV index in Channel Islands Beach?
What is the UV index intensity in December in Channel Islands Beach?
Average temperature in December
Channel Islands Beach, CA
- Average high temperature in December: 59.9°F
The warmest months (with the highest average high temperature) are August and September (73.4°F).
The month with the lowest average high temperature is February (59°F).
- Average low temperature in December: 50.5°F
The month with the highest average low temperature is September (63°F).
The coldest months (with the lowest average low temperature) are February and December (50.5°F).
Average pressure in December
Channel Islands Beach, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.9"Hg).
Average wind speed in December
Channel Islands Beach, CA
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Channel Islands Beach, CA
- Average humidity in December: 59%
The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (57%).
Average rainfall in December
Channel Islands Beach, CA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is January (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Channel Islands Beach, CA
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.3 days).
Average sea temperature in December
Channel Islands Beach, CA
- Average sea temperature in December: 58.9°F
The best month for swimming (with the highest average sea temperature) is August (64.1°F).
The coldest month (with the lowest average sea temperature) is April (56.7°F).
Average daylight in December /
Average sunshine in December
Channel Islands Beach, CA
- Average daylight in December: 9h and 5min
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 5min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 48min).
Average sunshine days in December
Channel Islands Beach, CA
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is October (27.2 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in December
Channel Islands Beach, CA
- Average UV index in December: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in December
Channel Islands Beach, CA
- Average cloud cover in December: 21
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Channel Islands 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).
Channel Islands Beach, California, USA
Weather forecast for your location
2. Allow the app to use your location
