Carlsbad
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Carlsbad, CA

A bird
A bird's eye view of the skyline and clear coastline of Carlsbad in California
December, the first month of the winter, in Carlsbad, is still a comfortable month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 45°F (7.2°C).

Temperature

In Carlsbad, California, the average high-temperature is practically the same as in November - an enjoyable 64.9°F (18.3°C). In December, the average low-temperature is 45°F (7.2°C).

Rainfall

In Carlsbad, California, 1.3" (34mm) of precipitation is typically accumulated. Throughout the year, 11.1" (282.7mm) of rain is accumulated.

Ocean temperature

In Carlsbad, the average water temperature is 60.4°F (15.8°C).
Note: For most, swimming in 60.4°F (15.8°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

December has the shortest days of the year in Carlsbad, with an average of 10h of daylight.

What is the temperature in December in Carlsbad?

In December, in Carlsbad, California, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 45°F (7.2°C).

How much does it rain in Carlsbad in December?

Throughout December, in Carlsbad, 1.3" (34mm) of precipitation is accumulated.

What is the ocean temperature in December in Carlsbad?

In December, the average ocean temperature in Carlsbad, California, is 60.4°F (15.8°C). For most, swimming in 60.4°F (15.8°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 Carlsbad?

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

How many hours of daylight does Carlsbad have in December?

In December, the average length of the day in Carlsbad is 10h.
Average temperature in December - Carlsbad, CA
  • Average high temperature in December: 65°F

The warmest month (with the highest average high temperature) is August (74°F).
Months with the lowest average high temperature are January, February and March (64°F).

  • Average low temperature in December: 45°F

The month with the highest average low temperature is August (64°F).
Coldest months (with the lowest average low temperature) are January and December (45°F).

Average rainfall in December - Carlsbad, CA
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the lowest rainfall) is July (0").

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

The best month for swimming (with the highest average sea temperature) is August (68°F).
Coldest months (with the lowest average sea temperature) are January and February (58.7°F).

Average daylight in December - Carlsbad, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).