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

Highlights

On average, there are 203 sunny days per year in Eureka. Ukiah averages 215 sunny days per year. The US average is 205 sunny days.

Eureka, Missouri gets 43.6 inches of rain, on average, per year. Ukiah, California gets 40.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Eureka averages 12.2 inches of snow per year. Ukiah averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Eureka, Missouri
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 21.3
Rain: averages 43.6 inches of rain a year
Snow: averages 12.2 inches of snow a year

Ukiah, California
Summer High: the July high is around 91.8 degrees
Winter Low: the January low is 36.5
Rain: averages 40.5 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Eureka is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

The annual BestPlaces Comfort Index for Ukiah is 7.9 (10=best), which means it is less comfortable than most places in California.

Today's Weather - Ukiah, CA

61°F

Today's Weather - Eureka, MO

52°F

Average Monthly High / Low (°F)

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

July is the hottest month for Ukiah with an average high temperature of 91.8°, which ranks it as about average compared to other places in California. In Ukiah, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ukiah are October, May and June.

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

December has the coldest nighttime temperatures for Ukiah with an average of 35.9°. This is colder than most places in California.

January has the coldest nighttime temperatures for Eureka with an average of 21.3°. This is warmer than most places in Missouri.

In Ukiah, there are 62.0 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Eureka, there are 33.2 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

In Ukiah, there are 31.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Eureka, there are 101.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In Ukiah, 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 Eureka, there are 2.6 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 Ukiah with 7.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 40.5 inches in Ukiah means that it is wetter than most places in California.


May is the wettest month in Eureka with 4.8 inches of rain, and the driest month is February with 2.3 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 43.6 inches in Eureka means that it is about average compared to other places in Missouri.

December is the rainiest month in Ukiah with 13.4 days of rain, and July is the driest month with only 0.2 rainy days. There are 81.2 rainy days annually in Ukiah, which is rainier than most places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 2% chance of a rainy day.

May is the rainiest month in Eureka with 11.3 days of rain, and February is the driest month with only 7.2 rainy days. There are 105.0 rainy days annually in Eureka, 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 22% chance of a rainy day.

There is rarely any recorded snowfall in Ukiah, ranking it as one of the least snowy places in California.

An annual snowfall of 12.2 inches in Eureka means that it is less snowy than most places in Missouri.

Any measurable snowfall is a rare occurance in Ukiah.

January is the snowiest month in Eureka with 3.8 inches of snow, and 5 months of the year have significant snowfall.