The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Petaluma, CA vs Mount Pleasant, SC

2025 Compare Climate & Weather:
Petaluma, CA vs Mount Pleasant, SC

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Highlights

On average, there are 211 sunny days per year in Mount Pleasant. Petaluma averages 260 sunny days per year. The US average is 205 sunny days.

Mount Pleasant, South Carolina gets 48.3 inches of rain, on average, per year. Petaluma, California gets 29.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Mount Pleasant averages 0.3 inches of snow per year. Petaluma averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Mount Pleasant, South Carolina
Summer High: the July high is around 89.8 degrees
Winter Low: the January low is 39.3
Rain: averages 48.3 inches of rain a year
Snow: averages 0.3 inches of snow a year

Petaluma, California
Summer High: the July high is around 83.7 degrees
Winter Low: the January low is 38.7
Rain: averages 29.8 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
Mount Pleasant

The annual BestPlaces Comfort Index for Mount Pleasant is 7.2 (10=best), which means it is less comfortable than most places in South Carolina.

7.2 / 10
October, April and May are the most pleasant months in Mount Pleasant, while July and August are the least comfortable months.

Petaluma

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

8.4 / 10
June, August and July are the most pleasant months in Petaluma, while January and December are the least comfortable months.

Average Monthly High / Low (°F)
MonthPetaluma, CAMount Pleasant, SC
January57° / 39°58° / 39°
February62° / 41°61° / 42°
March66° / 42°67° / 48°
April70° / 44°74° / 56°
May74° / 48°81° / 64°
June81° / 51°87° / 72°
July84° / 53°90° / 75°
August84° / 53°89° / 74°
September83° / 51°84° / 69°
October77° / 48°77° / 59°
November66° / 42°69° / 50°
December57° / 38°61° / 42°
Hot, Freezing, Rainy, Snowy Days: Petaluma / Mount Pleasant
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 05 / 713 / 100 / 0
February0 / 02 / 412 / 80 / 0
March0 / 01 / 111 / 80 / 0
April0 / 00 / 07 / 70 / 0
May2 / 20 / 04 / 70 / 0
June5 / 80 / 01 / 100 / 0
July6 / 150 / 00 / 120 / 0
August7 / 120 / 00 / 120 / 0
September7 / 40 / 02 / 90 / 0
October2 / 00 / 04 / 70 / 0
November0 / 02 / 110 / 70 / 0
December0 / 07 / 512 / 90 / 0
August is the hottest month for Petaluma with an average high temperature of 83.7°, which ranks it as cooler than most places in California. In Petaluma, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Petaluma are October, June and May.

July is the hottest month for Mount Pleasant with an average high temperature of 89.8°, which ranks it as cooler than most places in South Carolina. In Mount Pleasant, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Pleasant are October, May and April.
December has the coldest nighttime temperatures for Petaluma with an average of 38.3°. This is about average compared to other places in California.

January has the coldest nighttime temperatures for Mount Pleasant with an average of 39.3°. This is one of the warmest places in South Carolina.

In Petaluma, there are 28.1 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Mount Pleasant, there are 41.1 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Petaluma, there are 16.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Mount Pleasant, there are 17.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Carolina.

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

December is the wettest month in Petaluma with 5.7 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 29.8 inches in Petaluma means that it is wetter than most places in California.


August is the wettest month in Mount Pleasant with 6.7 inches of rain, and the driest month is May with 2.5 inches. The wettest season is Autumn with 36% of yearly precipitation and 19% occurs in Summer, which is the driest season. The annual rainfall of 48.3 inches in Mount Pleasant means that it is wetter than most places in South Carolina.

January is the rainiest month in Petaluma with 12.5 days of rain, and July is the driest month with only 0.2 rainy days. There are 74.8 rainy days annually in Petaluma, which is rainier than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 2% chance of a rainy day.

August is the rainiest month in Mount Pleasant with 11.6 days of rain, and May is the driest month with only 6.8 rainy days. There are 105.6 rainy days annually in Mount Pleasant, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 32% of the time and the driest is Summer with only a 21% chance of a rainy day.

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

An annual snowfall of 0.3 inches in Mount Pleasant means that it is less snowy than most places in South Carolina.
Any measurable snowfall is a rare occurance in Petaluma.

December is the snowiest month in Mount Pleasant with 0.2 inches of snow, and no months of the year have significant snowfall.

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 Petaluma    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 Petaluma

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Reviews for Mount Pleasant    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 Mount Pleasant

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Zips In Petaluma, California
94954, 94952
Zips In MOUNT PLEASANT, SOUTH CAROLINA
29464, 29466
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