2025 Compare Climate & Weather:
Arlington, TN vs San Ramon, CA

Highlights

On average, there are 256 sunny days per year in San Ramon. Arlington averages 216 sunny days per year. The US average is 205 sunny days.

San Ramon, California gets 19 inches of rain, on average, per year. Arlington, Tennessee gets 54.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Ramon averages 0 inches of snow per year. Arlington averages 2.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Arlington, Tennessee
Summer High: the July high is around 91.5 degrees
Winter Low: the January low is 29.8
Rain: averages 54.6 inches of rain a year
Snow: averages 2.5 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Arlington is 7.1 (10=best), which means it is less comfortable than most places in Tennessee.

Today's Weather - Arlington, TN

57°F

Today's Weather - San Ramon, CA

61°F

Average Monthly High / Low (°F)

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

July is the hottest month for Arlington with an average high temperature of 91.5°, which ranks it as one of the hottest places in Tennessee. In Arlington, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arlington are May, October and April.

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.

January has the coldest nighttime temperatures for Arlington with an average of 29.8°. This is one of the warmest places in Tennessee.

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

In Arlington, there are 63.9 days annually when the high temperature is over 90°, which is one of the hottest places in Tennessee.

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 Arlington, there are 61.8 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Tennessee.

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 Arlington, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

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.

December is the wettest month in Arlington with 5.8 inches of rain, and the driest month is August with 3.1 inches. The wettest season is Summer with 29% of yearly precipitation and 21% occurs in Autumn, which is the driest season. The annual rainfall of 54.6 inches in Arlington means that it is wetter than most places in Tennessee.


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.

March is the rainiest month in Arlington with 11.1 days of rain, and August is the driest month with only 6.6 rainy days. There are 112.7 rainy days annually in Arlington, which is about average compared to other places in Tennessee. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 21% chance of a rainy day.

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.

An annual snowfall of 2.5 inches in Arlington means that it is less snowy than most places in Tennessee.

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

February is the snowiest month in Arlington with 1.0 inches of snow, and 3 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in San Ramon.