The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Foster City, CA vs Pittsburg, CA

2025 Compare Climate & Weather:
Foster City, CA vs Pittsburg, CA

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Highlights

On average, there are 265 sunny days per year in Pittsburg. Foster City averages 262 sunny days per year. The US average is 205 sunny days.

Pittsburg, California gets 15.9 inches of rain, on average, per year. Foster City, California gets 19.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Pittsburg averages 0 inches of snow per year. Foster City averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Pittsburg, California
Summer High: the July high is around 88.8 degrees
Winter Low: the January low is 39.8
Rain: averages 15.9 inches of rain a year
Snow: averages 0 inches of snow a year

Foster City, California
Summer High: the July high is around 77.9 degrees
Winter Low: the January low is 41.1
Rain: averages 19.1 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
Pittsburg

The annual BestPlaces Comfort Index for Pittsburg is 8.6 (10=best), which means it is more comfortable than most places in California.

8.6 / 10
June, May and October are the most pleasant months in Pittsburg, while January and December are the least comfortable months.

Foster City

The annual BestPlaces Comfort Index for Foster City is 8.7 (10=best), which means it is more comfortable than most places in California.

8.7 / 10
August, July and September are the most pleasant months in Foster City, while January and December are the least comfortable months.

Average Monthly High / Low (°F)
MonthFoster City, CAPittsburg, CA
January58° / 41°56° / 40°
February61° / 43°61° / 43°
March64° / 45°66° / 46°
April68° / 47°71° / 48°
May72° / 50°78° / 53°
June76° / 53°84° / 57°
July78° / 56°89° / 58°
August78° / 56°88° / 58°
September78° / 54°85° / 57°
October73° / 50°77° / 52°
November64° / 45°64° / 45°
December58° / 41°56° / 40°
Hot, Freezing, Rainy, Snowy Days: Foster City / Pittsburg
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 02 / 311 / 100 / 0
February0 / 01 / 010 / 100 / 0
March0 / 00 / 010 / 80 / 0
April0 / 00 / 05 / 50 / 0
May1 / 30 / 03 / 30 / 0
June2 / 80 / 01 / 10 / 0
July2 / 140 / 00 / 00 / 0
August2 / 120 / 00 / 00 / 0
September3 / 80 / 01 / 10 / 0
October1 / 10 / 03 / 30 / 0
November0 / 00 / 07 / 60 / 0
December0 / 03 / 310 / 100 / 0
August is the hottest month for Foster City with an average high temperature of 77.9°, which ranks it as cooler than most places in California. In Foster City, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Foster City are August, July and September.

July is the hottest month for Pittsburg with an average high temperature of 88.8°, which ranks it as about average compared to other places in California. In Pittsburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pittsburg are May, October and June.
December has the coldest nighttime temperatures for Foster City with an average of 41.0°. This is warmer than most places in California.

January has the coldest nighttime temperatures for Pittsburg with an average of 39.8°. This is warmer than most places in California.

In Foster City, there are 10.7 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Pittsburg, there are 46.2 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Foster City, there are 6.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Pittsburg, there are 6.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

February is the wettest month in Foster City with 3.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 59% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 19.1 inches in Foster City means that it is about average compared to other places in California.


January is the wettest month in Pittsburg with 3.2 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 15.9 inches in Pittsburg means that it is about average compared to other places in California.

January is the rainiest month in Foster City with 10.7 days of rain, and July is the driest month with only 0.1 rainy days. There are 62.0 rainy days annually in Foster City, 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.

January is the rainiest month in Pittsburg with 10.3 days of rain, and July is the driest month with only 0.0 rainy days. There are 56.9 rainy days annually in Pittsburg, which is about average compared to other places in California. The rainiest season is Spring when it rains 53% of the time and the driest is Autumn with only a 1% chance of a rainy day.

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

There is rarely any recorded snowfall in Pittsburg, ranking it as one of the least snowy places in California.
Any measurable snowfall is a rare occurance in Foster City.

Any measurable snowfall is a rare occurance in Pittsburg.

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 Foster City    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 Foster City

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Reviews for Pittsburg    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 Pittsburg

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Zips In Foster City, California
94404
Zips In PITTSBURG, CALIFORNIA
94565
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