2025 Compare Climate & Weather:
Langley, WA vs Guerneville, CA

Highlights

On average, there are 261 sunny days per year in Guerneville. Langley averages 162 sunny days per year. The US average is 205 sunny days.

Guerneville, California gets 41.3 inches of rain, on average, per year. Langley, Washington gets 28.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Guerneville averages 0 inches of snow per year. Langley averages 2.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Guerneville, California
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 37.4
Rain: averages 41.3 inches of rain a year
Snow: averages 0 inches of snow a year

Langley, Washington
Summer High: the July high is around 73.3 degrees
Winter Low: the January low is 36.6
Rain: averages 28.9 inches of rain a year
Snow: averages 2.1 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Langley is 7.3 (10=best), which means it is more comfortable than most places in Washington.

Today's Weather - Langley, WA

48°F

Today's Weather - Guerneville, CA

58°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Langley / Guerneville

August is the hottest month for Langley with an average high temperature of 74.1°, which ranks it as cooler than most places in Washington. In Langley, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Langley are August, July and September.

August is the hottest month for Guerneville with an average high temperature of 85.4°, which ranks it as cooler than most places in California. In Guerneville, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Guerneville are October, May and June.

December has the coldest nighttime temperatures for Langley with an average of 35.4°. This is one of the warmest places in Washington.

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

In Langley, there are 0.5 days annually when the high temperature is over 90°, which is one of the coolest places in Washington.

In Guerneville, there are 36.7 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Langley, there are 31.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.

In Guerneville, there are 24.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

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

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

November is the wettest month in Langley with 4.2 inches of rain, and the driest month is July with 0.9 inches. The wettest season is Spring with 35% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 28.9 inches in Langley means that it is drier than most places in Washington.


December is the wettest month in Guerneville with 8.1 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 41.3 inches in Guerneville means that it is wetter than most places in California.

November is the rainiest month in Langley with 17.3 days of rain, and August is the driest month with only 5.5 rainy days. There are 150.4 rainy days annually in Langley, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 15% chance of a rainy day.

January is the rainiest month in Guerneville with 12.7 days of rain, and July is the driest month with only 0.1 rainy days. There are 74.6 rainy days annually in Guerneville, which is rainier than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 2% chance of a rainy day.

An annual snowfall of 2.1 inches in Langley means that it is less snowy than most places in Washington.

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

December is the snowiest month in Langley with 0.7 inches of snow, and 2 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Guerneville.