2025 Compare Climate & Weather:
Simi Valley, CA vs Banning, CA

Highlights

On average, there are 268 sunny days per year in Banning. Simi Valley averages 277 sunny days per year. The US average is 205 sunny days.

Banning, California gets 15.5 inches of rain, on average, per year. Simi Valley, California gets 17.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Banning averages 0.6 inches of snow per year. Simi Valley averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Banning, California
Summer High: the July high is around 97.2 degrees
Winter Low: the January low is 39.2
Rain: averages 15.5 inches of rain a year
Snow: averages 0.6 inches of snow a year

Simi Valley, California
Summer High: the July high is around 92.2 degrees
Winter Low: the January low is 41.5
Rain: averages 17.2 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Banning is 8.2 (10=best), which means it is about average compared to other places in California.

The annual BestPlaces Comfort Index for Simi Valley is 8.6 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Simi Valley, CA

57°F

Today's Weather - Banning, CA

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Simi Valley / Banning

August is the hottest month for Simi Valley with an average high temperature of 93.5°, which ranks it as warmer than most places in California. In Simi Valley, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Simi Valley are April, May and November.

August is the hottest month for Banning with an average high temperature of 97.5°, which ranks it as warmer than most places in California. In Banning, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Banning are April, May and October.

December has the coldest nighttime temperatures for Simi Valley with an average of 40.5°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Banning with an average of 38.4°. This is about average compared to other places in California.

In Simi Valley, there are 82.8 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Banning, there are 111.1 days annually when the high temperature is over 90°, which is one of the hottest places in California.

In Simi Valley, there are 9.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Banning, there are 14.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

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

February is the wettest month in Simi Valley with 4.3 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 62% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 17.2 inches in Simi Valley means that it is about average compared to other places in California.


February is the wettest month in Banning with 3.5 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 56% of yearly precipitation and 4% occurs in Autumn, which is the driest season. The annual rainfall of 15.5 inches in Banning means that it is drier than most places in California.

February is the rainiest month in Simi Valley with 6.6 days of rain, and July is the driest month with only 0.2 rainy days. There are 35.0 rainy days annually in Simi Valley, which is less rainy than most places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 3% chance of a rainy day.

February is the rainiest month in Banning with 5.6 days of rain, and June is the driest month with only 0.7 rainy days. There are 34.5 rainy days annually in Banning, which is less rainy than most places in California. The rainiest season is Spring when it rains 44% of the time and the driest is Autumn with only a 8% chance of a rainy day.

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

An annual snowfall of 0.6 inches in Banning means that it is snowier than most places in California.

Any measurable snowfall is a rare occurance in Simi Valley.

February is the snowiest month in Banning with 0.3 inches of snow, and no months of the year have significant snowfall.