2025 Compare Climate & Weather:
Eureka, CA vs Trinidad, CA

Highlights

On average, there are 175 sunny days per year in Trinidad. Eureka averages 179 sunny days per year. The US average is 205 sunny days.

Trinidad, California gets 55.7 inches of rain, on average, per year. Eureka, California gets 45.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Trinidad averages 1.4 inches of snow per year. Eureka averages 0.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Trinidad, California
Summer High: the July high is around 73.7 degrees
Winter Low: the January low is 37.2
Rain: averages 55.7 inches of rain a year
Snow: averages 1.4 inches of snow a year

Eureka, California
Summer High: the July high is around 65 degrees
Winter Low: the January low is 41.1
Rain: averages 45.7 inches of rain a year
Snow: averages 0.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Trinidad is 7.3 (10=best), which means it is less comfortable than most places in California.

The annual BestPlaces Comfort Index for Eureka is 7.6 (10=best), which means it is less comfortable than most places in California.

Today's Weather - Eureka, CA

47°F

Today's Weather - Trinidad, CA

49°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Eureka / Trinidad

August is the hottest month for Eureka with an average high temperature of 66.1°, which ranks it as one of the coolest places in California. In Eureka, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Eureka are August, September and July.

August is the hottest month for Trinidad with an average high temperature of 74.2°, which ranks it as one of the coolest places in California. In Trinidad, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Trinidad are August, July and September.

December has the coldest nighttime temperatures for Eureka with an average of 40.5°. This is warmer than most places in California.

January has the coldest nighttime temperatures for Trinidad with an average of 37.2°. This is about average compared to other places in California.

In Eureka, there are 0.2 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Trinidad, there are 23.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Eureka, there are 9.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Trinidad, there are 28.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Eureka, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

In Trinidad, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

December is the wettest month in Eureka with 8.8 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 50% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 45.7 inches in Eureka means that it is one of the wettest places in California.


December is the wettest month in Trinidad with 10.6 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 49% of yearly precipitation and 4% occurs in Autumn, which is the driest season. The annual rainfall of 55.7 inches in Trinidad means that it is one of the wettest places in California.

December is the rainiest month in Eureka with 17.0 days of rain, and July is the driest month with only 2.4 rainy days. There are 123.9 rainy days annually in Eureka, which is one of the rainiest places in California. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 8% chance of a rainy day.

December is the rainiest month in Trinidad with 17.3 days of rain, and July is the driest month with only 2.2 rainy days. There are 124.3 rainy days annually in Trinidad, which is one of the rainiest places in California. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 8% chance of a rainy day.

An annual snowfall of 0.5 inches in Eureka means that it is snowier than most places in California.

An annual snowfall of 1.4 inches in Trinidad means that it is snowier than most places in California.

February is the snowiest month in Eureka with 0.3 inches of snow, and no months of the year have significant snowfall.

February is the snowiest month in Trinidad with 0.6 inches of snow, and 1 month of the year have significant snowfall.