The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: South San Francisco, CA vs Fremont, CA

2025 Compare Climate & Weather:
South San Francisco, CA vs Fremont, CA

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Highlights

On average, there are 264 sunny days per year in Fremont. South San Francisco averages 259 sunny days per year. The US average is 205 sunny days.

Fremont, California gets 16 inches of rain, on average, per year. South San Francisco, California gets 21.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Fremont averages 0 inches of snow per year. South San Francisco averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Fremont, California
Summer High: the July high is around 76.8 degrees
Winter Low: the January low is 42.4
Rain: averages 16 inches of rain a year
Snow: averages 0 inches of snow a year

South San Francisco, California
Summer High: the July high is around 66.7 degrees
Winter Low: the January low is 45
Rain: averages 21.7 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
Fremont

The annual BestPlaces Comfort Index for Fremont is 8.8 (10=best), which means it is more comfortable than most places in California.

8.8 / 10
August, July and September are the most pleasant months in Fremont, while December and January are the least comfortable months.

South San Francisco

The annual BestPlaces Comfort Index for South San Francisco is 8.4 (10=best), which means it is more comfortable than most places in California.

8.4 / 10
September, August and July are the most pleasant months in South San Francisco, while January and December are the least comfortable months.

Average Monthly High / Low (°F)
MonthSouth San Francisco, CAFremont, CA
January57° / 45°58° / 42°
February59° / 47°61° / 45°
March61° / 48°65° / 47°
April62° / 49°68° / 49°
May64° / 51°71° / 53°
June66° / 53°75° / 56°
July67° / 55°77° / 58°
August68° / 56°78° / 58°
September69° / 55°77° / 57°
October68° / 53°73° / 53°
November63° / 49°64° / 47°
December57° / 45°58° / 43°
Hot, Freezing, Rainy, Snowy Days: South San Francisco / Fremont
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 00 / 111 / 110 / 0
February0 / 00 / 011 / 100 / 0
March0 / 00 / 010 / 90 / 0
April0 / 00 / 06 / 60 / 0
May0 / 10 / 04 / 30 / 0
June0 / 20 / 01 / 10 / 0
July0 / 20 / 00 / 00 / 0
August0 / 20 / 01 / 00 / 0
September1 / 20 / 01 / 10 / 0
October0 / 00 / 03 / 40 / 0
November0 / 00 / 08 / 70 / 0
December0 / 00 / 111 / 110 / 0
September is the hottest month for South San Francisco with an average high temperature of 69.3°, which ranks it as one of the coolest places in California. In South San Francisco, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for South San Francisco are September, October and August.

August is the hottest month for Fremont with an average high temperature of 77.6°, which ranks it as cooler than most places in California. In Fremont, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fremont are August, September and July.
January has the coldest nighttime temperatures for South San Francisco with an average of 45.0°. This is one of the warmest places in California.

January has the coldest nighttime temperatures for Fremont with an average of 42.4°. This is warmer than most places in California.

In South San Francisco, there are 1.8 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Fremont, there are 8.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In South 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 Fremont, there are 1.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

January is the wettest month in South San Francisco with 4.3 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 21.7 inches in South San Francisco means that it is wetter than most places in California.


February is the wettest month in Fremont with 3.1 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 16.0 inches in Fremont means that it is about average compared to other places in California.

December is the rainiest month in South San Francisco with 11.4 days of rain, and July is the driest month with only 0.2 rainy days. There are 68.4 rainy days annually in South San Francisco, 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 Fremont with 11.1 days of rain, and July is the driest month with only 0.1 rainy days. There are 63.9 rainy days annually in Fremont, which is rainier than most places in California. The rainiest season is Spring when it rains 51% of the time and the driest is Autumn with only a 2% chance of a rainy day.

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

There is rarely any recorded snowfall in Fremont, ranking it as one of the least snowy places in California.
Any measurable snowfall is a rare occurance in South San Francisco.

Any measurable snowfall is a rare occurance in Fremont.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for South San Francisco    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of South San Francisco

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Reviews for Fremont    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Fremont

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Zips In South San Francisco, California
94080, 94128
Zips In FREMONT, CALIFORNIA
94536, 94538, 94539, 94555
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