2025 Compare Climate & Weather:
Casa Grande, AZ vs Red Bluff, CA

Highlights

On average, there are 249 sunny days per year in Red Bluff. Casa Grande averages 295 sunny days per year. The US average is 205 sunny days.

Red Bluff, California gets 27.7 inches of rain, on average, per year. Casa Grande, Arizona gets 8.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Red Bluff averages 0.8 inches of snow per year. Casa Grande averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Red Bluff, California
Summer High: the July high is around 96.7 degrees
Winter Low: the January low is 37.3
Rain: averages 27.7 inches of rain a year
Snow: averages 0.8 inches of snow a year

Casa Grande, Arizona
Summer High: the July high is around 106.8 degrees
Winter Low: the January low is 36.9
Rain: averages 8.9 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Casa Grande is 7.2 (10=best), which means it is less comfortable than most places in Arizona.

Today's Weather - Casa Grande, AZ

72°F

Today's Weather - Red Bluff, CA

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Casa Grande / Red Bluff

July is the hottest month for Casa Grande with an average high temperature of 106.8°, which ranks it as warmer than most places in Arizona. In Casa Grande, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Casa Grande are March, November and February.

July is the hottest month for Red Bluff with an average high temperature of 96.7°, which ranks it as warmer than most places in California. In Red Bluff, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Red Bluff are October, May and April.

December has the coldest nighttime temperatures for Casa Grande with an average of 36.2°. This is warmer than most places in Arizona.

December has the coldest nighttime temperatures for Red Bluff with an average of 37.0°. This is about average compared to other places in California.

In Casa Grande, there are 178.2 days annually when the high temperature is over 90°, which is one of the hottest places in Arizona.

In Red Bluff, there are 91.1 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Casa Grande, there are 22.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Red Bluff, there are 20.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Casa Grande, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Arizona.

In Red Bluff, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

August is the wettest month in Casa Grande with 1.5 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 33% of yearly precipitation and 17% occurs in Summer, which is the driest season. The annual rainfall of 8.9 inches in Casa Grande means that it is drier than most places in Arizona.


January is the wettest month in Red Bluff with 5.5 inches of rain, and the driest month is July with 0.1 inches. The wettest season is Spring with 52% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 27.7 inches in Red Bluff means that it is wetter than most places in California.

August is the rainiest month in Casa Grande with 4.6 days of rain, and June is the driest month with only 0.5 rainy days. There are 31.8 rainy days annually in Casa Grande, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 33% of the time and the driest is Summer with only a 19% chance of a rainy day.

January is the rainiest month in Red Bluff with 11.9 days of rain, and July is the driest month with only 0.4 rainy days. There are 74.6 rainy days annually in Red Bluff, which is rainier than most places in California. The rainiest season is Spring when it rains 45% of the time and the driest is Autumn with only a 5% chance of a rainy day.

There is rarely any recorded snowfall in Casa Grande, ranking it as one of the least snowy places in Arizona.

An annual snowfall of 0.8 inches in Red Bluff means that it is snowier than most places in California.

Any measurable snowfall is a rare occurance in Casa Grande.

December is the snowiest month in Red Bluff with 0.6 inches of snow, and 1 month of the year have significant snowfall.