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

December weather forecast and climate
Arcata, CA

December, the first month of the winter, in Arcata, is still a cool month, with average temperature varying between 55°F (12.8°C) and 43°F (6.1°C).

Temperature

In Arcata, the average high-temperature is almost the same as in November - a fresh 55°F (12.8°C). In Arcata, in December, the average low-temperature is 43°F (6.1°C).

Rainfall

During December, Arcata regularly aggregates up to 6.7" (170.2mm) of precipitation. During the entire year, Arcata aggregates up to 42.1" (1069.3mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9.3h of daylight.

What is the temperature in December in Arcata?

In December, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 43°F (6.1°C).

How much does it rain in Arcata in December?

During December, Arcata regularly aggregates up to 6.7" (170.2mm) of precipitation.

What is the month with the shortest days in Arcata?

With an average of 9.3h of daylight, December has the shortest days of the year.

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

The average length of the day in December in Arcata is 9.3h.
Average temperature in December - Arcata, CA
  • Average high temperature in December: 55°F

The warmest month (with the highest average high temperature) is September (62°F).
The month with the lowest average high temperature is January (53°F).

  • Average low temperature in December: 43°F

Months with the highest average low temperature are July and August (52°F).
Coldest months (with the lowest average low temperature) are January, February and March (42°F).

Average rainfall in December - Arcata, CA
  • Average rainfall in December: 6.7"

The wettest month (with the highest rainfall) is January (8.6").
The driest month (with the lowest rainfall) is July (0.1").

Average daylight in December - Arcata, CA
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).