2025 Compare Climate & Weather:
Palo Alto, CA vs San Anselmo, CA

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Highlights

On average, there are 256 sunny days per year in San Anselmo. Palo Alto averages 261 sunny days per year. The US average is 205 sunny days.

San Anselmo, California gets 40.5 inches of rain, on average, per year. Palo Alto, California gets 17.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

San Anselmo averages 0 inches of snow per year. Palo Alto averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

San Anselmo, California
Summer High: the July high is around 78.3 degrees
Winter Low: the January low is 42
Rain: averages 40.5 inches of rain a year
Snow: averages 0 inches of snow a year

Palo Alto, California
Summer High: the July high is around 79.8 degrees
Winter Low: the January low is 40.5
Rain: averages 17.3 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

San Anselmo

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

8.5 / 10

August, July and September are the most pleasant months in San Anselmo, while January and December are the least comfortable months.

Palo Alto

The annual BestPlaces Comfort Index for Palo Alto 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 Palo Alto, while January and December are the least comfortable months.

Average Monthly High / Low (°F)

Month	Palo Alto, CA	San Anselmo, CA
January	58° / 41°	55° / 42°
February	62° / 43°	60° / 44°
March	65° / 45°	64° / 46°
April	69° / 47°	67° / 47°
May	74° / 51°	71° / 50°
June	78° / 54°	76° / 53°
July	80° / 57°	78° / 54°
August	80° / 56°	79° / 55°
September	79° / 55°	78° / 54°
October	74° / 50°	73° / 51°
November	65° / 45°	63° / 46°
December	58° / 40°	55° / 42°

Hot, Freezing, Rainy, Snowy Days: Palo Alto / San Anselmo

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	3 / 1	10 / 13	0 / 0
February	0 / 0	1 / 0	10 / 12	0 / 0
March	0 / 0	0 / 0	10 / 11	0 / 0
April	0 / 0	0 / 0	5 / 7	0 / 0
May	1 / 1	0 / 0	3 / 4	0 / 0
June	3 / 2	0 / 0	1 / 2	0 / 0
July	2 / 3	0 / 0	0 / 1	0 / 0
August	3 / 3	0 / 0	0 / 1	0 / 0
September	3 / 3	0 / 0	1 / 2	0 / 0
October	1 / 1	0 / 0	3 / 5	0 / 0
November	0 / 0	0 / 0	8 / 9	0 / 0
December	0 / 0	3 / 1	10 / 12	0 / 0

July is the hottest month for Palo Alto with an average high temperature of 79.8°, which ranks it as cooler than most places in California. In Palo Alto, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Palo Alto are June, September and August.

August is the hottest month for San Anselmo with an average high temperature of 78.5°, which ranks it as cooler than most places in California. In San Anselmo, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Anselmo are July, September and August.

December has the coldest nighttime temperatures for Palo Alto with an average of 40.2°. This is warmer than most places in California.

January has the coldest nighttime temperatures for San Anselmo with an average of 42.0°. This is warmer than most places in California.

In Palo Alto, there are 13.0 days annually when the high temperature is over 90°, which is cooler than most places in California.

In San Anselmo, there are 13.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Palo Alto, there are 7.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In San Anselmo, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Palo Alto, 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 San Anselmo, 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 Palo Alto with 3.5 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 17.3 inches in Palo Alto means that it is about average compared to other places in California.

December is the wettest month in San Anselmo with 8.3 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 40.5 inches in San Anselmo means that it is wetter than most places in California.

January is the rainiest month in Palo Alto with 10.2 days of rain, and July is the driest month with only 0.1 rainy days. There are 60.6 rainy days annually in Palo Alto, which is about average compared to other 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 San Anselmo with 12.8 days of rain, and July is the driest month with only 0.8 rainy days. There are 77.5 rainy days annually in San Anselmo, 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 5% chance of a rainy day.

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

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

Any measurable snowfall is a rare occurance in Palo Alto.

Any measurable snowfall is a rare occurance in San Anselmo.

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 Palo Alto 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

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Reviews for San Anselmo 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 San Anselmo

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2025 Compare Climate & Weather:
Palo Alto, CA vs San Anselmo, CA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Palo Alto / San Anselmo

December has the coldest nighttime temperatures for Palo Alto with an average of 40.2°. This is warmer than most places in California.

January has the coldest nighttime temperatures for San Anselmo with an average of 42.0°. This is warmer than most places in California.

In Palo Alto, there are 13.0 days annually when the high temperature is over 90°, which is cooler than most places in California.

In San Anselmo, there are 13.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Palo Alto, there are 7.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In San Anselmo, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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

Any measurable snowfall is a rare occurance in Palo Alto.

Any measurable snowfall is a rare occurance in San Anselmo.

DID YOU KNOW?

Reviews for Palo Alto 2 Reviews

Reviews for San Anselmo 2 Reviews

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2025 Compare Climate & Weather:Palo Alto, CA vs San Anselmo, CA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Palo Alto / San Anselmo

December has the coldest nighttime temperatures for Palo Alto with an average of 40.2°. This is warmer than most places in California.January has the coldest nighttime temperatures for San Anselmo with an average of 42.0°. This is warmer than most places in California.

In Palo Alto, there are 13.0 days annually when the high temperature is over 90°, which is cooler than most places in California.In San Anselmo, there are 13.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Palo Alto, there are 7.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.In San Anselmo, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

Any measurable snowfall is a rare occurance in Palo Alto.Any measurable snowfall is a rare occurance in San Anselmo.

DID YOU KNOW?

Reviews for Palo Alto 2 Reviews

Reviews for San Anselmo 2 Reviews

Most Recent Searches On Compare Climate & Weather

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Zips In Palo Alto, California

Zips In SAN ANSELMO, CALIFORNIA

Learn More About PALO ALTO, CALIFORNIA

Learn More About San Anselmo, California

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BestPlaces Tools

About BestPlaces

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2025 Compare Climate & Weather:
Palo Alto, CA vs San Anselmo, CA

December has the coldest nighttime temperatures for Palo Alto with an average of 40.2°. This is warmer than most places in California.

January has the coldest nighttime temperatures for San Anselmo with an average of 42.0°. This is warmer than most places in California.

In Palo Alto, there are 13.0 days annually when the high temperature is over 90°, which is cooler than most places in California.

In San Anselmo, there are 13.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Palo Alto, there are 7.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In San Anselmo, there are 2.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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

Any measurable snowfall is a rare occurance in Palo Alto.

Any measurable snowfall is a rare occurance in San Anselmo.