2025 Compare Climate & Weather:
Broken Arrow, OK vs Simi Valley, CA

Highlights

On average, there are 277 sunny days per year in Simi Valley. Broken Arrow averages 228 sunny days per year. The US average is 205 sunny days.

Simi Valley, California gets 17.2 inches of rain, on average, per year. Broken Arrow, Oklahoma gets 42 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Simi Valley averages 0 inches of snow per year. Broken Arrow averages 5.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Broken Arrow, Oklahoma
Summer High: the July high is around 93.1 degrees
Winter Low: the January low is 26
Rain: averages 42 inches of rain a year
Snow: averages 5.3 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Broken Arrow is 7.1 (10=best), which means it is one of the least comfortable places in Oklahoma.

Today's Weather - Broken Arrow, OK

58°F

Today's Weather - Simi Valley, CA

54°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Broken Arrow / Simi Valley

August is the hottest month for Broken Arrow with an average high temperature of 93.2°, which ranks it as about average compared to other places in Oklahoma. In Broken Arrow, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Broken Arrow are May, October and April.

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.

January has the coldest nighttime temperatures for Broken Arrow with an average of 26.0°. This is about average compared to other places in Oklahoma.

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

In Broken Arrow, there are 66.5 days annually when the high temperature is over 90°, which is about average compared to other places in Oklahoma.

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 Broken Arrow, there are 79.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oklahoma.

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 Broken Arrow, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oklahoma.

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.

May is the wettest month in Broken Arrow with 6.0 inches of rain, and the driest month is January with 1.8 inches. The wettest season is Summer with 32% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 42.0 inches in Broken Arrow means that it is about average compared to other places in Oklahoma.


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.

May is the rainiest month in Broken Arrow with 9.1 days of rain, and January is the driest month with only 4.7 rainy days. There are 77.6 rainy days annually in Broken Arrow, which is about average compared to other places in Oklahoma. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 20% chance of a rainy day.

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.

An annual snowfall of 5.3 inches in Broken Arrow means that it is about average compared to other places in Oklahoma.

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

January is the snowiest month in Broken Arrow with 1.7 inches of snow, and 4 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Simi Valley.