2025 Compare Climate & Weather:
Chelan, WA vs South Lake Tahoe, CA

Highlights

On average, there are 249 sunny days per year in South Lake Tahoe. Chelan averages 196 sunny days per year. The US average is 205 sunny days.

South Lake Tahoe, California gets 23.3 inches of rain, on average, per year. Chelan, Washington gets 12.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

South Lake Tahoe averages 142.4 inches of snow per year. Chelan averages 33.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

South Lake Tahoe, California
Summer High: the July high is around 79.5 degrees
Winter Low: the January low is 21.1
Rain: averages 23.3 inches of rain a year
Snow: averages 142.4 inches of snow a year

Chelan, Washington
Summer High: the July high is around 86.3 degrees
Winter Low: the January low is 22.3
Rain: averages 12.4 inches of rain a year
Snow: averages 33.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for South Lake Tahoe is 6.7 (10=best), which means it is one of the least comfortable places in California.

The annual BestPlaces Comfort Index for Chelan is 7.1 (10=best), which means it is about average compared to other places in Washington.

Today's Weather - Chelan, WA

63°F

Today's Weather - South Lake Tahoe, CA

48°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chelan / South Lake Tahoe

August is the hottest month for Chelan with an average high temperature of 86.6°, which ranks it as warmer than most places in Washington. In Chelan, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chelan are June, September and May.

July is the hottest month for South Lake Tahoe with an average high temperature of 79.5°, which ranks it as cooler than most places in California. In South Lake Tahoe, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for South Lake Tahoe are August, July and September.

December has the coldest nighttime temperatures for Chelan with an average of 21.8°. This is colder than most places in Washington.

January has the coldest nighttime temperatures for South Lake Tahoe with an average of 21.1°. This is one of the coldest places in California.

In Chelan, there are 27.3 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In South Lake Tahoe, there are 1.0 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Chelan, there are 122.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In South Lake Tahoe, there are 182.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in California.

In Chelan, there are 2.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

In South Lake Tahoe, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in California.

December is the wettest month in Chelan with 1.9 inches of rain, and the driest month is August with 0.3 inches. The wettest season is Spring with 39% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 12.4 inches in Chelan means that it is drier than most places in Washington.


December is the wettest month in South Lake Tahoe with 3.7 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 46% of yearly precipitation and 6% occurs in Autumn, which is the driest season. The annual rainfall of 23.3 inches in South Lake Tahoe means that it is wetter than most places in California.

December is the rainiest month in Chelan with 9.1 days of rain, and August is the driest month with only 2.2 rainy days. There are 69.4 rainy days annually in Chelan, which is one of the least rainy places in Washington. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 15% chance of a rainy day.

January is the rainiest month in South Lake Tahoe with 8.2 days of rain, and July is the driest month with only 1.3 rainy days. There are 60.6 rainy days annually in South Lake Tahoe, which is about average compared to other places in California. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 10% chance of a rainy day.

An annual snowfall of 33.8 inches in Chelan means that it is snowier than most places in Washington.

An annual snowfall of 142.4 inches in South Lake Tahoe means that it is one of the snowiest places in California.

December is the snowiest month in Chelan with 13.7 inches of snow, and 5 months of the year have significant snowfall.

February is the snowiest month in South Lake Tahoe with 31.3 inches of snow, and 8 months of the year have significant snowfall.