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
With average high temperatures of 62.4°F (16.9°C) and lows of 50.5°F (10.3°C), December is the coldest month.Humidity
In Laguna Beach, California, the average relative humidity in December is 62%.Rainfall
The month with the most rainfall in Laguna Beach is December, when the rain falls for 6.8 days and typically aggregates up to 1.85" (47mm) of precipitation.Ocean temperature
In December, the average ocean temperature is 60.3°F (15.7°C).Note: Most people find swimming in 60.3°F (15.7°C) unenjoyable. As the water temperature falls from 69.8°F (21°C) to 59°F (15°C), controlling one's breathing becomes harder.
Daylight
The month with the shortest days in Laguna Beach is December, with an average of 10h and 0min of daylight.On the first day of December in Laguna Beach, sunrise is at 6:37 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 6.4h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Laguna Beach. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in December translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What time of the year is the coldest in Laguna Beach?
What is the usual temperature for Laguna Beach in December?
What is the average humidity in December in Laguna Beach?
What is the rainiest month in Laguna Beach?
How many days does it rain in December in Laguna Beach?
What is the ocean temperature in December in Laguna Beach?
What is the month with the shortest days in Laguna Beach?
How many hours of daylight does Laguna Beach have in December?
When is the sunrise / sunset in December in Laguna Beach?
What is the month with the least sunshine in Laguna Beach?
How many hours of sunshine does Laguna Beach have in December?
What are the months with the lowest UV index in Laguna Beach?
What is the UV index reading in December in Laguna Beach?
Average temperature in December
Laguna Beach, CA
- Average high temperature in December: 62.4°F
The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in December: 50.5°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is February (50°F).
Average pressure in December
Laguna Beach, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Laguna Beach, CA
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (5mph).
Average humidity in December
Laguna Beach, CA
- Average humidity in December: 62%
The month with the highest relative humidity is June (74%).
The month with the lowest relative humidity is November (59%).
Average rainfall in December
Laguna 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 (0.12").
Average rainfall days in December
Laguna Beach, CA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (3 days).
Average sea temperature in December
Laguna 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
Laguna Beach, 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 2min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Laguna Beach, CA
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is May (19.5 days).
Average UV index in December
Laguna 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
Laguna Beach, CA
- Average cloud cover in December: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Laguna 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).
Laguna Beach, California, USA
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