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

January weather forecast and climate
Eureka, CA

The Lost Fisherman
The Lost Fisherman's Memorial in the scenic surroundings of Eureka, California
January in Eureka, California, is a mild winter month, with average temperature varying between 55.6°F (13.1°C) and 41.2°F (5.1°C).

Temperature

In Eureka, the average high-temperature is almost the same as in December - a mild 55.6°F (13.1°C). In January, the average low-temperature is 41.2°F (5.1°C).

Rainfall

In Eureka, during January, the rain falls for 16.6 days and regularly aggregates up to 6.5" (165.1mm) of precipitation. Throughout the year, in Eureka, there are 127.5 rainfall days, and 40.3" (1024.4mm) of precipitation is accumulated.

Daylight

In Eureka, the average length of the day in January is 9.7h.

Sunshine

The average sunshine in January is 4.5h.

What is the temperature in January in Eureka?

The average high-temperature, in January, is 55.6°F (13.1°C), while the average low-temperature is 41.2°F (5.1°C).

How many days does it rain in January in Eureka?

In Eureka, California, during January, the rain falls for 16.6 days and regularly aggregates up to 6.5" (165.1mm) of precipitation.

How many hours of daylight does Eureka have in January?

In January, the average length of the day in Eureka is 9.7h.

How long on average sun shines in January in Eureka?

The average sunshine in January in Eureka is 4.5h.
Average temperature in January - Eureka, CA
  • Average high temperature in January: 55.6°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 January: 41.1°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 January - Eureka, CA
  • Average rainfall in January: 6.5"

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 January - Eureka, CA
  • Average rainfall days in January: 16.6 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 January / Average sunshine in January - Eureka, CA
  • Average daylight in January: 9.7h

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 January: 4.5h

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