2025 Compare Climate & Weather:
San Ramon, CA vs Richmond, VA

Highlights

On average, there are 210 sunny days per year in Richmond. San Ramon averages 256 sunny days per year. The US average is 205 sunny days.

Richmond, Virginia gets 44.3 inches of rain, on average, per year. San Ramon, California gets 19 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Richmond averages 11 inches of snow per year. San Ramon averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Richmond, Virginia
Summer High: the July high is around 89.7 degrees
Winter Low: the January low is 27.6
Rain: averages 44.3 inches of rain a year
Snow: averages 11 inches of snow a year

San Ramon, California
Summer High: the July high is around 84.4 degrees
Winter Low: the January low is 39.2
Rain: averages 19 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Richmond is 7.3 (10=best), which means it is about average compared to other places in Virginia.

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

Today's Weather - San Ramon, CA

78°F

Today's Weather - Richmond, VA

63°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Ramon / Richmond

July is the hottest month for San Ramon with an average high temperature of 84.4°, which ranks it as cooler than most places in California. In San Ramon, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Ramon are June, October and May.

July is the hottest month for Richmond with an average high temperature of 89.7°, which ranks it as one of the hottest places in Virginia. In Richmond, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Richmond are May, September and October.

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

January has the coldest nighttime temperatures for Richmond with an average of 27.6°. This is warmer than most places in Virginia.

In San Ramon, there are 35.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Richmond, there are 41.6 days annually when the high temperature is over 90°, which is one of the hottest places in Virginia.

In San Ramon, there are 11.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Richmond, there are 81.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Virginia.

In San Ramon, 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 Richmond, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Virginia.

February is the wettest month in San Ramon with 3.5 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 19.0 inches in San Ramon means that it is about average compared to other places in California.


August is the wettest month in Richmond with 4.7 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 44.3 inches in Richmond means that it is wetter than most places in Virginia.

December is the rainiest month in San Ramon with 10.9 days of rain, and July is the driest month with only 0.2 rainy days. There are 64.2 rainy days annually in San Ramon, 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.

July is the rainiest month in Richmond with 10.9 days of rain, and October is the driest month with only 7.3 rainy days. There are 112.0 rainy days annually in Richmond, which is less rainy than most places in Virginia. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

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

An annual snowfall of 11.0 inches in Richmond means that it is less snowy than most places in Virginia.

Any measurable snowfall is a rare occurance in San Ramon.

January is the snowiest month in Richmond with 4.5 inches of snow, and 4 months of the year have significant snowfall.