August is the hottest month for Hillsborough with an average high temperature of 73.3°, which ranks it as one of the coolest places in California. In Hillsborough, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hillsborough are August, September and July.

August is the hottest month for Sunnyvale with an average high temperature of 80.3°, which ranks it as cooler than most places in California. In Sunnyvale, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sunnyvale are June, September and July.

January has the coldest nighttime temperatures for Hillsborough with an average of 42.1°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Sunnyvale with an average of 42.2°. This is warmer than most places in California.

In Hillsborough, there are 6.7 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Sunnyvale, there are 13.3 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Hillsborough, there are 3.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Sunnyvale, there are 2.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

January is the wettest month in Hillsborough with 4.6 inches of rain, and the driest month is July with 0.1 inches. The wettest season is Spring with 58% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 23.3 inches in Hillsborough means that it is wetter than most places in California.


February is the wettest month in Sunnyvale with 3.1 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 15.4 inches in Sunnyvale means that it is drier than most places in California.

January is the rainiest month in Hillsborough with 11.9 days of rain, and June is the driest month with only 2.2 rainy days. There are 81.0 rainy days annually in Hillsborough, which is rainier than most places in California. The rainiest season is Spring when it rains 43% of the time and the driest is Autumn with only a 9% chance of a rainy day.

December is the rainiest month in Sunnyvale with 10.5 days of rain, and July is the driest month with only 0.2 rainy days. There are 62.6 rainy days annually in Sunnyvale, 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.

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

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

Any measurable snowfall is a rare occurance in Hillsborough.

Any measurable snowfall is a rare occurance in Sunnyvale.

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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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