2025 Compare Climate & Weather:
Irvine, CA vs Greenville, SC

Highlights

On average, there are 220 sunny days per year in Greenville. Irvine averages 281 sunny days per year. The US average is 205 sunny days.

Greenville, South Carolina gets 50.9 inches of rain, on average, per year. Irvine, California gets 12.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Greenville averages 2.5 inches of snow per year. Irvine averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Greenville, South Carolina
Summer High: the July high is around 89.8 degrees
Winter Low: the January low is 30.9
Rain: averages 50.9 inches of rain a year
Snow: averages 2.5 inches of snow a year

Irvine, California
Summer High: the July high is around 81.5 degrees
Winter Low: the January low is 46.3
Rain: averages 12.9 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Greenville is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

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

Today's Weather - Irvine, CA

62°F

Today's Weather - Greenville, SC

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Irvine / Greenville

August is the hottest month for Irvine with an average high temperature of 83.2°, which ranks it as cooler than most places in California. In Irvine, there are 8 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Irvine are October, June and July.

July is the hottest month for Greenville with an average high temperature of 89.8°, which ranks it as cooler than most places in South Carolina. In Greenville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Greenville are May, September and October.

December has the coldest nighttime temperatures for Irvine with an average of 45.5°. This is one of the warmest places in California.

January has the coldest nighttime temperatures for Greenville with an average of 30.9°. This is colder than most places in South Carolina.

In Irvine, there are 17.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Greenville, there are 40.6 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Irvine, there are 0.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Greenville, there are 57.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

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

February is the wettest month in Irvine with 3.2 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 12.9 inches in Irvine means that it is drier than most places in California.


July is the wettest month in Greenville with 4.9 inches of rain, and the driest month is April with 3.6 inches. The wettest season is Autumn with 28% of yearly precipitation and 24% occurs in Winter, which is the driest season. The annual rainfall of 50.9 inches in Greenville means that it is wetter than most places in South Carolina.

February is the rainiest month in Irvine with 6.5 days of rain, and July is the driest month with only 0.4 rainy days. There are 36.3 rainy days annually in Irvine, 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.

July is the rainiest month in Greenville with 10.5 days of rain, and October is the driest month with only 6.9 rainy days. There are 105.1 rainy days annually in Greenville, which is rainier than most places in South Carolina. The rainiest season is Autumn 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 Irvine, ranking it as one of the least snowy places in California.

An annual snowfall of 2.5 inches in Greenville means that it is one of the snowiest places in South Carolina.

Any measurable snowfall is a rare occurance in Irvine.

January is the snowiest month in Greenville with 1.2 inches of snow, and 3 months of the year have significant snowfall.