2025 Compare Climate & Weather:
Santa Ynez, CA vs Atascadero, CA

Highlights

On average, there are 290 sunny days per year in Atascadero. Santa Ynez averages 287 sunny days per year. The US average is 205 sunny days.

Atascadero, California gets 20.7 inches of rain, on average, per year. Santa Ynez, California gets 20.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Atascadero averages 0.1 inches of snow per year. Santa Ynez averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Atascadero, California
Summer High: the July high is around 88 degrees
Winter Low: the January low is 36.5
Rain: averages 20.7 inches of rain a year
Snow: averages 0.1 inches of snow a year

Santa Ynez, California
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 38.9
Rain: averages 20.5 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Atascadero is 8.3 (10=best), which means it is more comfortable than most places in California.

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

Today's Weather - Santa Ynez, CA

96°F

Today's Weather - Atascadero, CA

96°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Santa Ynez / Atascadero

August is the hottest month for Santa Ynez with an average high temperature of 84.1°, which ranks it as cooler than most places in California. In Santa Ynez, there are 8 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Santa Ynez are October, June and May.

August is the hottest month for Atascadero with an average high temperature of 88.4°, which ranks it as about average compared to other places in California. In Atascadero, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Atascadero are October, May and June.

December has the coldest nighttime temperatures for Santa Ynez with an average of 38.3°. This is about average compared to other places in California.

December has the coldest nighttime temperatures for Atascadero with an average of 35.5°. This is colder than most places in California.

In Santa Ynez, there are 40.5 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Atascadero, there are 59.3 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Santa Ynez, there are 13.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Atascadero, there are 35.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Santa Ynez, 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 Atascadero, 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 Santa Ynez with 4.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 60% of yearly precipitation and 0% occurs in Autumn, which is the driest season. The annual rainfall of 20.5 inches in Santa Ynez means that it is about average compared to other places in California.


January is the wettest month in Atascadero with 4.5 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 59% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.7 inches in Atascadero means that it is about average compared to other places in California.

February is the rainiest month in Santa Ynez with 7.9 days of rain, and July is the driest month with only 0.3 rainy days. There are 42.1 rainy days annually in Santa Ynez, 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 Atascadero with 9.2 days of rain, and July is the driest month with only 0.2 rainy days. There are 48.6 rainy days annually in Atascadero, which is about average compared to other places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 2% chance of a rainy day.

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

An annual snowfall of 0.1 inches in Atascadero means that it is snowier than most places in California.

Any measurable snowfall is a rare occurance in Santa Ynez.

December is the snowiest month in Atascadero with 0.1 inches of snow, and no months of the year have significant snowfall.