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

December weather forecast and climate
Avalon, CA

The first month of the winter, December, is still a comfortable month in Avalon, California, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 64.8°F (18.2°C).

Temperature

In December, the average high-temperature is essentially the same as in November - a comfortable 64.8°F (18.2°C). In Avalon, the average low-temperature is 49.3°F (9.6°C).

Rainfall

During December, Avalon regularly aggregates up to 1.8" (46.2mm) of precipitation. During the entire year, Avalon aggregates up to 11.9" (301.7mm) of precipitation.

Ocean temperature

In Avalon, the average water temperature is 60.4°F (15.8°C).
Note: For swimming, a surface water temperature of 60.4°F (15.8°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).

Daylight

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

What is the temperature in December in Avalon?

The average high-temperature, in December, in Avalon, California, is 64.8°F (18.2°C), while the average low-temperature is 49.3°F (9.6°C).

How much does it rain in Avalon in December?

During December, Avalon regularly aggregates up to 1.8" (46.2mm) of precipitation.

How cold is the water in December in Avalon?

In Avalon, the average seawater temperature in December 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 Avalon?

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

What is the average length of the day in December in Avalon?

In December, the average length of the day in Avalon, California, is 10h.
Average temperature in December - Avalon, CA
  • Average high temperature in December: 64.7°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is February (64.2°F).

  • Average low temperature in December: 49.3°F

The month with the highest average low temperature is August (64.1°F).
Coldest months (with the lowest average low temperature) are January and December (49.3°F).

Average rainfall in December - Avalon, CA
  • Average rainfall in December: 1.8"

The wettest month (with the highest rainfall) is January (2.8").
Driest months (with the lowest rainfall) are June and July (0").

Average sea temperature in December - Avalon, CA
  • Average sea temperature in December: 60.4°F

The best month for swimming (with the highest average sea temperature) is August (67.7°F).
Coldest months (with the lowest average sea temperature) are January and February (58.7°F).

Average daylight in December - Avalon, 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).