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

December weather forecast and climate
Eureka, CA

The Lost Fisherman
The Lost Fisherman's Memorial in the scenic surroundings of Eureka, California
The first month of the winter, December, is also a fresh month in Eureka, California, with average temperature varying between 55°F (12.8°C) and 40.6°F (4.8°C).

Temperature

December is the coldest month, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 40.6°F (4.8°C).

Rainfall

December is the month with the most rainfall in Eureka. Rain falls for 17.5 days and accumulates 8.1" (206.2mm) of precipitation.

Daylight

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

Sunshine

The month with the least sunshine in Eureka is December, with an average of 4.1h of sunshine.

What is the coldest month in Eureka?

With an average high-temperature of 55°F (12.8°C) and an average low-temperature of 40.6°F (4.8°C), December is the coldest month in Eureka, California.

What is the temperature in December in Eureka?

The average high-temperature, in December, in Eureka, is 55°F (12.8°C), while the average low-temperature is 40.6°F (4.8°C).

How many days does it rain in December in Eureka?

In Eureka, in December, during 17.5 rainfall days, 8.1" (206.2mm) of precipitation is typically accumulated.

What is the rainiest month in Eureka?

December is the month with the most rainfall in Eureka, California. Rain falls for 17.5 days and accumulates 8.1" (206.2mm) of precipitation.

What is the month with the shortest days in Eureka?

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

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

In Eureka, California, the average length of the day in December is 9.3h.

What is the month with the least sunshine in Eureka?

With an average of 4.1h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Eureka have in December?

The average sunshine in December in Eureka, California, is 4.1h.
Average temperature in December - Eureka, CA
  • Average high temperature in December: 55°F

The warmest month (with the highest average high temperature) is August (64.3°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in December: 40.6°F

The month with the highest average low temperature is August (52.8°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

Average rainfall in December - Eureka, CA
  • Average rainfall in December: 8.1"

The wettest month (with the highest rainfall) is December (8.1").
The driest month (with the lowest rainfall) is July (0.2").

Average rainfall days in December - Eureka, CA
  • Average rainfall days in December: 17.5 days

The month with the highest number of rainy days is December (17.5 days).
The month with the lowest number of rainy days is July (2.7 days).

Average daylight in December / Average sunshine in December - Eureka, 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).

  • Average sunshine in December: 4.1h

The month with most sunshine is June (Average sunshine: 9.3h).
The month with least sunshine is December (Average sunshine: 4.1h).