2025 Compare Climate & Weather:
Eureka, CA vs Ellisville, MO

Highlights

On average, there are 199 sunny days per year in Ellisville. Eureka averages 179 sunny days per year. The US average is 205 sunny days.

Ellisville, Missouri gets 43.9 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.

Ellisville averages 12.3 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

Ellisville, Missouri
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 21.3
Rain: averages 43.9 inches of rain a year
Snow: averages 12.3 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 Ellisville is 7.3 (10=best), which means it is one of the most pleasant places in Missouri.

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

57°F

Today's Weather - Ellisville, MO

69°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Ellisville with an average high temperature of 88.1°, which ranks it as about average compared to other places in Missouri. In Ellisville, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ellisville are September, May and June.

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 Ellisville with an average of 21.3°. This is warmer than most places in Missouri.

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 Ellisville, there are 32.9 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

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 Ellisville, there are 101.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

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 Ellisville, there are 2.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Missouri.

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.


May is the wettest month in Ellisville with 5.0 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Summer with 28% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 43.9 inches in Ellisville means that it is about average compared to other places in Missouri.

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.

May is the rainiest month in Ellisville with 11.1 days of rain, and January is the driest month with only 6.8 rainy days. There are 101.4 rainy days annually in Ellisville, which is rainier than most places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% 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 12.3 inches in Ellisville means that it is less snowy than most places in Missouri.

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 Ellisville with 3.7 inches of snow, and 5 months of the year have significant snowfall.