The most pleasant months of the year for the 94575 zip code are June, October and September. In the 94575 zip code, there are 6 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 94575 zip code with an average high temperature of 82.9°, which ranks it as cooler than most places in California. Any measurable snowfall is a rare occurance in the 94575 zip code. There are few days during the summer when the humidity becomes unpleasant.