December weather forecast and climate
Laguna Beach, CA

The scenic Three Arch Bay spot on Laguna Beach in California
The scenic Three Arch Bay spot on Laguna Beach in California

Weather in December

The first month of the winter, December, is also an enjoyable month in Laguna Beach, California, with average temperature ranging between min 50.5°F (10.3°C) and max 62.4°F (16.9°C).

Temperature

With an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 50.5°F (10.3°C), December is the coldest month.

Humidity

The average relative humidity in Laguna Beach is 62%.

Rainfall

December is the month with the most rainfall. Rain falls for 6.8 days and accumulates 1.85" (47mm) of precipitation.

Ocean temperature

In Laguna Beach, the average water temperature is 60.3°F (15.7°C).
Note: For most, swimming in 60.3°F (15.7°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The month with the shortest days in Laguna Beach is December, with an average of 10h of daylight.

Sunshine

December has the least sunshine of the year in Laguna Beach, California, 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. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in December interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the coldest month in Laguna Beach?

With an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 50.5°F (10.3°C), December is the coldest month.

What is the temperature in December in Laguna Beach?

The average high-temperature, in December, in Laguna Beach, is 62.4°F (16.9°C), while the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in December in Laguna Beach?

In December, the average relative humidity is 62%.

How many days does it rain in December in Laguna Beach?

In December, in Laguna Beach, the rain falls for 6.8 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

What is the rainiest month in Laguna Beach?

The month with the most rainfall is December when the rain falls for 6.8 days and typically aggregates up to 1.85" (47mm) of precipitation.

What is the ocean temperature in December in Laguna Beach?

In Laguna Beach, California, the average seawater temperature in December is 60.3°F (15.7°C). 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).

What is the month with the shortest days in Laguna Beach?

With an average of 10h of daylight, December has the shortest days of the year.

What is the average length of the day in December in Laguna Beach?

The average length of the day in December in Laguna Beach, California, is 10h.

What is the month with the least sunshine in Laguna Beach?

The month with the least sunshine is December, with an average of 6.4h of sunshine.

How long on average sun shines in December in Laguna Beach?

The average sunshine in December in Laguna Beach is 6.4h.

What is the month with the lowest UV index in Laguna Beach?

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Laguna Beach, California.

What is the UV index reading in December in Laguna Beach?

In December, the average daily maximum UV index in Laguna Beach, California, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in December
Laguna Beach, CA

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).

[Resources]

Average pressure in December
Laguna Beach, CA

Average pressure in December - Laguna Beach, CA
  • Average pressure in December: 30.07"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.88").

[Resources]

Average wind speed in December
Laguna Beach, CA

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).

[Resources]

Average humidity in December
Laguna Beach, CA

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%).

[Resources]

Average rainfall in December
Laguna Beach, CA

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").

[Resources]

Average rainfall days in December
Laguna Beach, CA

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).

[Resources]

Average sea temperature in December
Laguna Beach, CA

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).

[Resources]

Average daylight in December /
Average sunshine in December
Laguna Beach, CA

Average daylight in December / Average sunshine in December - Laguna Beach, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 6.4h

The month with the most sunshine is August (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 6.4h).

[Resources]

Average sunshine days in December
Laguna Beach, CA

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).

[Resources]

Average UV index in December
Laguna Beach, CA

Average UV index in December - Laguna Beach, CA
  • Average UV index in December: 4

Months with the highest UV index are July, August and September (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

[Resources]

Average cloud cover in December
Laguna Beach, CA

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).

[Resources]

Average visibility in December
Laguna Beach, CA

Average visibility in December - Laguna Beach, CA
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]