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.

August is the hottest month for Lafayette with an average high temperature of 82.4°, which ranks it as cooler than most places in California. In Lafayette, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lafayette are June, October and September.

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 Lafayette with an average of 41.0°. This is warmer than most places in California.

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

In Lafayette, there are 27.7 days annually when the high temperature is over 90°, which is cooler than most places in California.

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 Lafayette, there are 3.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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.


February is the wettest month in Lafayette with 4.6 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 24.1 inches in Lafayette means that it is wetter than most places in California.

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.

January is the rainiest month in Lafayette with 11.3 days of rain, and July is the driest month with only 0.2 rainy days. There are 65.6 rainy days annually in Lafayette, 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.

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

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

Any measurable snowfall is a rare occurance in Petaluma.

Any measurable snowfall is a rare occurance in Lafayette.

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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

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

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

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