Laguna Beach
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Laguna Beach, CA

Unique and breathtaking aerial views over the scenic Three Arch Bay spot on Laguna Beach in California, with light waves seen on the beach at twilight
Unique and breathtaking aerial views over the scenic Three Arch Bay spot on Laguna Beach in California, with light waves seen on the beach at twilight
The first month of the winter, December, is also an enjoyable month in Laguna Beach, California, with average temperature ranging between min 43°F (6.1°C) and max 66.9°F (19.4°C).

Temperature

With an average high-temperature of 66.9°F (19.4°C) and an average low-temperature of 43°F (6.1°C), December is the coldest month.

Rainfall

In Laguna Beach, during 5 rainfall days, 1.8" (46.7mm) of precipitation is typically accumulated. Throughout the year, there are 34 rainfall days, and 13.6" (344.3mm) of precipitation is accumulated.

Ocean temperature

In Laguna Beach, the average seawater temperature in December is 60.3°F (15.7°C).
Note: Swimming in 60.3°F (15.7°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

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

Sunshine

January, November and December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Laguna Beach. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the coldest month in Laguna Beach?

The coldest month in Laguna Beach, California, is December, with an average high-temperature of 66.9°F (19.4°C) and an average low-temperature of 43°F (6.1°C).

What is the temperature in December in Laguna Beach?

The average high-temperature, in December, in Laguna Beach, California, is 66.9°F (19.4°C), while the average low-temperature is 43°F (6.1°C).

How much does it rain in Laguna Beach in December?

In Laguna Beach, during December, the rain falls for 5 days and regularly aggregates up to 1.8" (46.7mm) of precipitation.

What is the ocean temperature in December in Laguna Beach?

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

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?

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

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

Months with the least sunshine are January, November and December, with an average of 7h of sunshine.

How many hours of sunshine does Laguna Beach have in December?

In Laguna Beach, the average sunshine in December is 7h.

What are the months with the lowest UV index in Laguna Beach?

Months with the lowest UV index in Laguna Beach are January and December, with an average maximum UV index of 3.

How high is the UV index in December in Laguna Beach?

In Laguna Beach, California, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.
Average temperature in December - Laguna Beach, CA
  • Average high temperature in December: 67°F

Warmest months (with the highest average high temperature) are August and September (80°F).
The month with the lowest average high temperature is December (67°F).

  • Average low temperature in December: 43°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is December (43°F).

Average rainfall in December - Laguna Beach, CA
  • Average rainfall in December: 1.8"

The wettest month (with the highest rainfall) is February (3").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in December - Laguna Beach, CA
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is March (6 days).
Months with the lowest number of rainy days are June and July (0 days).

Average sea temperature in December - Laguna Beach, CA
  • Average sea temperature in December: 60.3°F

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

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

  • Average sunshine in December: 7h

Months with most sunshine are July and August (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in December - Laguna Beach, CA
  • Average UV index in December: 3

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).