2025 Compare Climate & Weather:
San Francisco, CA vs Seaside, OR

Highlights

On average, there are 128 sunny days per year in Seaside. San Francisco averages 259 sunny days per year. The US average is 205 sunny days.

Seaside, Oregon gets 91.3 inches of rain, on average, per year. San Francisco, California gets 24.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Seaside averages 1 inches of snow per year. San Francisco averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Seaside, Oregon
Summer High: the July high is around 66.9 degrees
Winter Low: the January low is 37.9
Rain: averages 91.3 inches of rain a year
Snow: averages 1 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Seaside is 6.9 (10=best), which means it is less comfortable than most places in Oregon.

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

Today's Weather - San Francisco, CA

54°F

Today's Weather - Seaside, OR

55°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Francisco / Seaside

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.

August is the hottest month for Seaside with an average high temperature of 67.8°, which ranks it as one of the coolest places in Oregon. In Seaside, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seaside are August, September and July.

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

December has the coldest nighttime temperatures for Seaside with an average of 37.1°. This is one of the warmest places in Oregon.

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 Seaside, there are 0.3 days annually when the high temperature is over 90°, which is one of the coolest places in Oregon.

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 Seaside, there are 25.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

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.

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

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.


November is the wettest month in Seaside with 15.0 inches of rain, and the driest month is July with 1.5 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 91.3 inches in Seaside means that it is one of the wettest places in Oregon.

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.

November is the rainiest month in Seaside with 21.2 days of rain, and August is the driest month with only 7.1 rainy days. There are 185.0 rainy days annually in Seaside, which is one of the rainiest places in Oregon. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 15% chance of a rainy day.

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

An annual snowfall of 1.0 inches in Seaside means that it is less snowy than most places in Oregon.

Any measurable snowfall is a rare occurance in San Francisco.

February is the snowiest month in Seaside with 0.4 inches of snow, and no months of the year have significant snowfall.