August is the hottest month for Portola Valley with an average high temperature of 77.6°, which ranks it as cooler than most places in California. In Portola Valley, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portola Valley are August, September and July.

July is the hottest month for Los Altos Hills with an average high temperature of 81.4°, which ranks it as cooler than most places in California. In Los Altos Hills, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Los Altos Hills are June, October and September.

December has the coldest nighttime temperatures for Portola Valley with an average of 40.7°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Los Altos Hills with an average of 39.3°. This is warmer than most places in California.

In Portola Valley, there are 19.7 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Los Altos Hills, there are 20.8 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Portola Valley, there are 14.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Los Altos Hills, there are 12.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in California.

In Portola Valley, 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 Los Altos Hills, 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 Portola Valley with 6.0 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 30.7 inches in Portola Valley means that it is wetter than most places in California.


February is the wettest month in Los Altos Hills with 4.0 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 19.6 inches in Los Altos Hills means that it is about average compared to other places in California.

February is the rainiest month in Portola Valley with 11.2 days of rain, and July is the driest month with only 1.0 rainy days. There are 72.9 rainy days annually in Portola Valley, which is rainier than most places in California. The rainiest season is Spring when it rains 45% of the time and the driest is Autumn with only a 6% chance of a rainy day.

January is the rainiest month in Los Altos Hills with 10.5 days of rain, and July is the driest month with only 0.1 rainy days. There are 61.0 rainy days annually in Los Altos Hills, which is about average compared to other 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 Portola Valley, ranking it as one of the least snowy places in California.

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

Any measurable snowfall is a rare occurance in Portola Valley.

Any measurable snowfall is a rare occurance in Los Altos Hills.

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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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