2025 Compare Climate & Weather:
Riverside, CA vs Indianapolis, IN

Highlights

On average, there are 186 sunny days per year in Indianapolis. Riverside averages 277 sunny days per year. The US average is 205 sunny days.

Indianapolis, Indiana gets 42.4 inches of rain, on average, per year. Riverside, California gets 11.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Indianapolis averages 21.6 inches of snow per year. Riverside averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Indianapolis, Indiana
Summer High: the July high is around 84 degrees
Winter Low: the January low is 19.5
Rain: averages 42.4 inches of rain a year
Snow: averages 21.6 inches of snow a year

Riverside, California
Summer High: the July high is around 94.2 degrees
Winter Low: the January low is 42.4
Rain: averages 11.3 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Indianapolis is 7.0 (10=best), which means it is about average compared to other places in Indiana.

The annual BestPlaces Comfort Index for Riverside is 8.7 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Riverside, CA

64°F

Today's Weather - Indianapolis, IN

61°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Riverside / Indianapolis

August is the hottest month for Riverside with an average high temperature of 95.4°, which ranks it as warmer than most places in California. In Riverside, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Riverside are April, May and November.

July is the hottest month for Indianapolis with an average high temperature of 84.0°, which ranks it as about average compared to other places in Indiana. In Indianapolis, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Indianapolis are September, June and August.

December has the coldest nighttime temperatures for Riverside with an average of 41.3°. This is warmer than most places in California.

January has the coldest nighttime temperatures for Indianapolis with an average of 19.5°. This is warmer than most places in Indiana.

In Riverside, there are 95.9 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Indianapolis, there are 11.3 days annually when the high temperature is over 90°, which is cooler than most places in Indiana.

In Riverside, there are 4.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Indianapolis, there are 110.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Indiana.

In Riverside, 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 Indianapolis, there are 4.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Indiana.

February is the wettest month in Riverside with 2.7 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 11.3 inches in Riverside means that it is drier than most places in California.


May is the wettest month in Indianapolis with 5.1 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.4 inches in Indianapolis means that it is about average compared to other places in Indiana.

February is the rainiest month in Riverside with 6.2 days of rain, and August is the driest month with only 0.4 rainy days. There are 34.0 rainy days annually in Riverside, which is less rainy than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 5% chance of a rainy day.

May is the rainiest month in Indianapolis with 12.8 days of rain, and September is the driest month with only 7.8 rainy days. There are 122.1 rainy days annually in Indianapolis, which is rainier than most places in Indiana. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

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

An annual snowfall of 21.6 inches in Indianapolis means that it is about average compared to other places in Indiana.

Any measurable snowfall is a rare occurance in Riverside.

January is the snowiest month in Indianapolis with 6.7 inches of snow, and 4 months of the year have significant snowfall.