The most pleasant months of the year for the 94512 zip code are May, October and June. In the 94512 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 94512 zip code with an average high temperature of 89.4°, which ranks it as about average compared to other places in California. Any measurable snowfall is a rare occurance in the 94512 zip code. There are few days during the summer when the humidity becomes unpleasant.