2025 Compare Climate & Weather:
Calistoga, CA vs Healdsburg, CA

Highlights

On average, there are 262 sunny days per year in Healdsburg. Calistoga averages 265 sunny days per year. The US average is 205 sunny days.

Healdsburg, California gets 41.7 inches of rain, on average, per year. Calistoga, California gets 37 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Healdsburg averages 0 inches of snow per year. Calistoga averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Healdsburg, California
Summer High: the July high is around 87.5 degrees
Winter Low: the January low is 37.7
Rain: averages 41.7 inches of rain a year
Snow: averages 0 inches of snow a year

Calistoga, California
Summer High: the July high is around 88 degrees
Winter Low: the January low is 38.3
Rain: averages 37 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Calistoga, CA

50°F

Today's Weather - Healdsburg, CA

51°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Calistoga / Healdsburg

July is the hottest month for Calistoga with an average high temperature of 88.0°, which ranks it as about average compared to other places in California. In Calistoga, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Calistoga are October, May and June.

July is the hottest month for Healdsburg with an average high temperature of 87.5°, which ranks it as about average compared to other places in California. In Healdsburg, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Healdsburg are May, October and June.

December has the coldest nighttime temperatures for Calistoga with an average of 37.7°. This is about average compared to other places in California.

December has the coldest nighttime temperatures for Healdsburg with an average of 37.4°. This is about average compared to other places in California.

In Calistoga, there are 48.7 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Healdsburg, there are 44.4 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Calistoga, there are 21.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Healdsburg, there are 20.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

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

December is the wettest month in Calistoga with 7.1 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 37.0 inches in Calistoga means that it is wetter than most places in California.


December is the wettest month in Healdsburg with 8.2 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 41.7 inches in Healdsburg means that it is one of the wettest places in California.

January is the rainiest month in Calistoga with 11.8 days of rain, and July is the driest month with only 0.2 rainy days. There are 70.3 rainy days annually in Calistoga, which is rainier than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 2% chance of a rainy day.

January is the rainiest month in Healdsburg with 12.7 days of rain, and July is the driest month with only 0.1 rainy days. There are 74.8 rainy days annually in Healdsburg, which is rainier than most places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 3% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in Calistoga.

Any measurable snowfall is a rare occurance in Healdsburg.