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

Highlights

On average, there are 283 sunny days per year in Yucca Valley. Simi Valley averages 277 sunny days per year. The US average is 205 sunny days.

Yucca Valley, California gets 7.6 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.

Yucca Valley averages 1.3 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

Yucca Valley, California
Summer High: the July high is around 100 degrees
Winter Low: the January low is 37.4
Rain: averages 7.6 inches of rain a year
Snow: averages 1.3 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 Yucca Valley is 7.9 (10=best), which means it is less comfortable than most 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

61°F

Today's Weather - Yucca Valley, CA

58°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Yucca Valley with an average high temperature of 100.0°, which ranks it as one of the hottest places in California. In Yucca Valley, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Yucca Valley are April, October and May.

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 Yucca Valley with an average of 35.3°. This is colder than most 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 Yucca Valley, there are 121.5 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 Yucca Valley, there are 16.6 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 Yucca 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.

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 Yucca Valley with 1.4 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 44% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 7.6 inches in Yucca Valley means that it is one of the driest 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 Yucca Valley with 6.2 days of rain, and June is the driest month with only 0.6 rainy days. There are 39.4 rainy days annually in Yucca Valley, which is less rainy than most places in California. The rainiest season is Spring when it rains 42% of the time and the driest is Autumn with only a 9% 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 1.3 inches in Yucca Valley 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 Yucca Valley with 0.7 inches of snow, and 2 months of the year have significant snowfall.