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

Monthly weather forecast and climate
Eureka, CA

The Lost Fisherman
The Lost Fisherman's Memorial in the scenic surroundings of Eureka, California
January is a moderate winter month in Eureka, California, with average temperature varying between 41.2°F (5.1°C) and 55.6°F (13.1°C). In Eureka, the average high-temperature is relatively the same as in December - a moderate 55.6°F (13.1°C). Weather in January »
February, the last month of the winter, in Eureka, is another mild month, with average temperature varying between 41.7°F (5.4°C) and 56.1°F (13.4°C). In February, the average high-temperature is practically the same as in January - a still moderate 56.1°F (13.4°C). Weather in February »

The first month of the spring, March, is also a moderate month in Eureka, California, with average temperature varying between 42.6°F (5.9°C) and 56.7°F (13.7°C). In March, the average high-temperature is practically the same as in February - a still mild 56.7°F (13.7°C). Weather in March »

April, like March, is a moderate spring month in Eureka, California, with average temperature fluctuating between 57.7°F (14.3°C) and 44.1°F (6.7°C). In April, the average high-temperature is relatively the same as in March - a still mild 57.7°F (14.3°C). Weather in April »

The last month of the spring, May, is another mild month in Eureka, California, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 60.1°F (15.6°C). In Eureka, the average high-temperature is relatively the same as in April - a still moderate 60.1°F (15.6°C). Weather in May »

June, the first month of the summer, in Eureka, is an enjoyable month, with average temperature ranging between min 50.2°F (10.1°C) and max 62.2°F (16.8°C). In Eureka, the average high-temperature in June is practically the same as in May - a comfortable 62.2°F (16.8°C). Weather in June »

July, the same as June, is another enjoyable summer month in Eureka, California, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 63.3°F (17.4°C). In July, the average high-temperature is almost the same as in June - a still enjoyable 63.3°F (17.4°C). Weather in July »

August, the last month of the summer, in Eureka, is another comfortable month, with average temperature ranging between min 52.9°F (11.6°C) and max 64.2°F (17.9°C). August is the warmest month, with an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 52.9°F (11.6°C). Weather in August »

September, the first month of the autumn, in Eureka, is still a comfortable month, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 50.4°F (10.2°C). In September, the average high-temperature is practically the same as in August - a still comfortable 63.7°F (17.6°C). Weather in September »

October, the same as September, is another comfortable autumn month in Eureka, California, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 47.1°F (8.4°C). In Eureka, California, the average high-temperature in October is practically the same as in September - a still comfortable 61.7°F (16.5°C). Weather in October »

The last month of the autumn, November, is another mild month in Eureka, California, with average temperature ranging between min 43.5°F (6.4°C) and max 57.9°F (14.4°C). In Eureka, the average high-temperature in November is practically the same as in October - a moderate 57.9°F (14.4°C). Weather in November »

December, the first month of the winter, in Eureka, is also a fresh month, with average temperature fluctuating between 55°F (12.8°C) and 40.6°F (4.8°C). 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. Weather in December »

How many days does it rain in Eureka?

In Eureka, during the entire year, the rain falls for 127.5 days and collects up to 40.3" (1024.4mm) of precipitation.

When are the longest days in Eureka?

With an average of 15.1h of daylight, June has the longest days of the year.

What month has the most sunshine in Eureka?

June has the most sunshine of the year, with an average of 9.3h of sunshine.

What is the driest month in Eureka?

The month with the least rainfall in Eureka, California, is July when the rain falls for 2.7 days and typically collects 0.2" (4.6mm) of precipitation.

What is the warmest month in Eureka?

August is the warmest month in Eureka, with an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 52.9°F (11.6°C).

What is the coldest month in Eureka?

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

What is the wettest month in Eureka?

December is the month with the most rainfall. 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.

What is the month with the least sunshine in Eureka?

December has the least sunshine of the year, with an average of 4.1h of sunshine.
Average temperature - Eureka, CA
Average rainfall - Eureka, CA
Average rainfall days - Eureka, CA

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 / Average sunshine - Eureka, CA