2025 Compare Climate & Weather:
Costa Mesa, CA vs Audubon, IA

Highlights

On average, there are 218 sunny days per year in Audubon. Costa Mesa averages 274 sunny days per year. The US average is 205 sunny days.

Audubon, Iowa gets 34.2 inches of rain, on average, per year. Costa Mesa, California gets 12 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Audubon averages 27.2 inches of snow per year. Costa Mesa averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Audubon, Iowa
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 9.6
Rain: averages 34.2 inches of rain a year
Snow: averages 27.2 inches of snow a year

Costa Mesa, California
Summer High: the July high is around 77.7 degrees
Winter Low: the January low is 47.8
Rain: averages 12 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Audubon is 6.9 (10=best), which means it is more comfortable than most places in Iowa.

The annual BestPlaces Comfort Index for Costa Mesa is 9.3 (10=best), which means it is one of the most pleasant places in California.

Today's Weather - Audubon, IA

79°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Costa Mesa / Audubon

August is the hottest month for Costa Mesa with an average high temperature of 79.4°, which ranks it as cooler than most places in California. In Costa Mesa, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Costa Mesa are July, September and August.

July is the hottest month for Audubon with an average high temperature of 83.9°, which ranks it as about average compared to other places in Iowa. In Audubon, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Audubon are September, June and August.

December has the coldest nighttime temperatures for Costa Mesa with an average of 47.1°. This is one of the warmest places in California.

January has the coldest nighttime temperatures for Audubon with an average of 9.6°. This is about average compared to other places in Iowa.

In Costa Mesa, there are 10.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Audubon, there are 12.6 days annually when the high temperature is over 90°, which is about average compared to other places in Iowa.

In Costa Mesa, there are 0.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Audubon, there are 155.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Iowa.

In Costa Mesa, 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 Audubon, there are 18.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Iowa.

February is the wettest month in Costa Mesa with 2.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 12.0 inches in Costa Mesa means that it is drier than most places in California.


June is the wettest month in Audubon with 4.9 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 39% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 34.2 inches in Audubon means that it is drier than most places in Iowa.

February is the rainiest month in Costa Mesa with 6.6 days of rain, and July is the driest month with only 0.4 rainy days. There are 36.4 rainy days annually in Costa Mesa, which is less rainy than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 4% chance of a rainy day.

May is the rainiest month in Audubon with 11.5 days of rain, and January is the driest month with only 5.2 rainy days. There are 96.1 rainy days annually in Audubon, which is less rainy than most places in Iowa. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 18% chance of a rainy day.

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

An annual snowfall of 27.2 inches in Audubon means that it is less snowy than most places in Iowa.

Any measurable snowfall is a rare occurance in Costa Mesa.

December is the snowiest month in Audubon with 6.9 inches of snow, and 7 months of the year have significant snowfall.