2025 Compare Climate & Weather:
Folsom, CA vs Ione, CA

Highlights

On average, there are 262 sunny days per year in Ione. Folsom averages 267 sunny days per year. The US average is 205 sunny days.

Ione, California gets 20.9 inches of rain, on average, per year. Folsom, California gets 20.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Ione averages 0 inches of snow per year. Folsom averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Ione, California
Summer High: the July high is around 95.3 degrees
Winter Low: the January low is 37
Rain: averages 20.9 inches of rain a year
Snow: averages 0 inches of snow a year

Folsom, California
Summer High: the July high is around 93.9 degrees
Winter Low: the January low is 39.2
Rain: averages 20.8 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Ione is 8.0 (10=best), which means it is less comfortable than most places in California.

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

Today's Weather - Folsom, CA

61°F

Today's Weather - Ione, CA

58°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Folsom / Ione

July is the hottest month for Folsom with an average high temperature of 93.9°, which ranks it as warmer than most places in California. In Folsom, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Folsom are October, May and April.

July is the hottest month for Ione with an average high temperature of 95.3°, which ranks it as warmer than most places in California. In Ione, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ione are October, May and April.

January has the coldest nighttime temperatures for Folsom with an average of 39.2°. This is warmer than most places in California.

January has the coldest nighttime temperatures for Ione with an average of 37.0°. This is about average compared to other places in California.

In Folsom, there are 76.8 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Ione, there are 83.8 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Folsom, there are 7.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Ione, there are 20.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

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

January is the wettest month in Folsom with 4.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.8 inches in Folsom means that it is about average compared to other places in California.


January is the wettest month in Ione with 3.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 51% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.9 inches in Ione means that it is about average compared to other places in California.

January is the rainiest month in Folsom with 10.1 days of rain, and July is the driest month with only 0.0 rainy days. There are 58.6 rainy days annually in Folsom, which is about average compared to other places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 3% chance of a rainy day.

January is the rainiest month in Ione with 10.2 days of rain, and July is the driest month with only 0.1 rainy days. There are 61.3 rainy days annually in Ione, which is about average compared to other places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 3% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in Folsom.

Any measurable snowfall is a rare occurance in Ione.