2025 Compare Climate & Weather:
Chapel Hill, NC vs San Francisco, CA

Highlights

On average, there are 259 sunny days per year in San Francisco. Chapel Hill averages 216 sunny days per year. The US average is 205 sunny days.

San Francisco, California gets 24.6 inches of rain, on average, per year. Chapel Hill, North Carolina gets 46.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Francisco averages 0 inches of snow per year. Chapel Hill averages 3.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Francisco, California
Summer High: the July high is around 67.2 degrees
Winter Low: the January low is 45.5
Rain: averages 24.6 inches of rain a year
Snow: averages 0 inches of snow a year

Chapel Hill, North Carolina
Summer High: the July high is around 88.8 degrees
Winter Low: the January low is 29.3
Rain: averages 46.3 inches of rain a year
Snow: averages 3.8 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Chapel Hill is 7.5 (10=best), which means it is more comfortable than most places in North Carolina.

Today's Weather - Chapel Hill, NC

56°F

Today's Weather - San Francisco, CA

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chapel Hill / San Francisco

July is the hottest month for Chapel Hill with an average high temperature of 88.8°, which ranks it as cooler than most places in North Carolina. In Chapel Hill, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chapel Hill are May, September and October.

September is the hottest month for San Francisco with an average high temperature of 69.9°, which ranks it as one of the coolest places in California. In San Francisco, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Francisco are September, October and August.

January has the coldest nighttime temperatures for Chapel Hill with an average of 29.3°. This is about average compared to other places in North Carolina.

January has the coldest nighttime temperatures for San Francisco with an average of 45.5°. This is one of the warmest places in California.

In Chapel Hill, there are 36.9 days annually when the high temperature is over 90°, which is about average compared to other places in North Carolina.

In San Francisco, there are 1.9 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Chapel Hill, there are 70.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in North Carolina.

In San Francisco, there are 0.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

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

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

August is the wettest month in Chapel Hill with 4.6 inches of rain, and the driest month is April with 3.3 inches. The wettest season is Autumn with 28% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 46.3 inches in Chapel Hill means that it is drier than most places in North Carolina.


January is the wettest month in San Francisco with 4.8 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 24.6 inches in San Francisco means that it is wetter than most places in California.

July is the rainiest month in Chapel Hill with 10.9 days of rain, and October is the driest month with only 7.6 rainy days. There are 113.5 rainy days annually in Chapel Hill, which is rainier than most places in North Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

December is the rainiest month in San Francisco with 11.7 days of rain, and July is the driest month with only 0.6 rainy days. There are 72.3 rainy days annually in San Francisco, 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 4% chance of a rainy day.

An annual snowfall of 3.8 inches in Chapel Hill means that it is snowier than most places in North Carolina.

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

January is the snowiest month in Chapel Hill with 1.9 inches of snow, and 2 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in San Francisco.