2025 Compare Climate & Weather:
Lafayette, CA vs Clayton, CA

Highlights

On average, there are 257 sunny days per year in Clayton. Lafayette averages 262 sunny days per year. The US average is 205 sunny days.

Clayton, California gets 19.2 inches of rain, on average, per year. Lafayette, California gets 24.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Clayton averages 0 inches of snow per year. Lafayette averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Clayton, California
Summer High: the July high is around 88.1 degrees
Winter Low: the January low is 39.1
Rain: averages 19.2 inches of rain a year
Snow: averages 0 inches of snow a year

Lafayette, California
Summer High: the July high is around 82.4 degrees
Winter Low: the January low is 41
Rain: averages 24.1 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Clayton is 8.5 (10=best), which means it is more comfortable than most places in California.

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

Today's Weather - Lafayette, CA

51°F

Today's Weather - Clayton, CA

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lafayette / Clayton

August is the hottest month for Lafayette with an average high temperature of 82.4°, which ranks it as cooler than most places in California. In Lafayette, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lafayette are June, October and September.

July is the hottest month for Clayton with an average high temperature of 88.1°, which ranks it as about average compared to other places in California. In Clayton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Clayton are October, May and June.

January has the coldest nighttime temperatures for Lafayette with an average of 41.0°. This is warmer than most places in California.

January has the coldest nighttime temperatures for Clayton with an average of 39.1°. This is warmer than most places in California.

In Lafayette, there are 27.7 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Clayton, there are 44.5 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Lafayette, there are 3.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Clayton, there are 11.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Lafayette, 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 Clayton, 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 Lafayette with 4.6 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 56% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 24.1 inches in Lafayette means that it is wetter than most places in California.


February is the wettest month in Clayton with 3.6 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 19.2 inches in Clayton means that it is about average compared to other places in California.

January is the rainiest month in Lafayette with 11.3 days of rain, and July is the driest month with only 0.2 rainy days. There are 65.6 rainy days annually in Lafayette, which is rainier than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 3% chance of a rainy day.

December is the rainiest month in Clayton with 10.9 days of rain, and July is the driest month with only 0.2 rainy days. There are 64.3 rainy days annually in Clayton, which is rainier than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 2% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in Lafayette.

Any measurable snowfall is a rare occurance in Clayton.