2025 Compare Climate & Weather:
Costa Mesa, CA vs Monroe, CT

Highlights

On average, there are 206 sunny days per year in Monroe. Costa Mesa averages 274 sunny days per year. The US average is 205 sunny days.

Monroe, Connecticut gets 51.4 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.

Monroe averages 40.6 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

Monroe, Connecticut
Summer High: the July high is around 83.2 degrees
Winter Low: the January low is 18.6
Rain: averages 51.4 inches of rain a year
Snow: averages 40.6 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 Monroe is 7.0 (10=best), which means it is about average compared to other places in Connecticut.

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 - Costa Mesa, CA

60°F

Today's Weather - Monroe, CT

54°F

Average Monthly High / Low (°F)

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

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 Monroe with an average high temperature of 83.2°, which ranks it as about average compared to other places in Connecticut. In Monroe, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Monroe are June, August and September.

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 Monroe with an average of 18.6°. This is about average compared to other places in Connecticut.

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 Monroe, there are 9.1 days annually when the high temperature is over 90°, which is hotter than most places in Connecticut.

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 Monroe, there are 125.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Connecticut.

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 Monroe, there are 1.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Connecticut.

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.


October is the wettest month in Monroe with 4.7 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 51.4 inches in Monroe means that it is wetter than most places in Connecticut.

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 Monroe with 11.8 days of rain, and September is the driest month with only 8.8 rainy days. There are 122.3 rainy days annually in Monroe, which is rainier than most places in Connecticut. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% 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 40.6 inches in Monroe means that it is snowier than most places in Connecticut.

Any measurable snowfall is a rare occurance in Costa Mesa.

January is the snowiest month in Monroe with 12.0 inches of snow, and 6 months of the year have significant snowfall.