San Francisco July dress index

You shouldn't stay in San Francisco all the time, should you It's summer in San Francisco and the Bay Area this season, but it's not particularly hot. Short sleeves are necessary, but a slightly thicker coat is needed. The main reason is that the temperature difference between morning and evening in San Francisco is relatively large, especially in the morning when the temperature is relatively low. For example, this morning (20 1 1, July 12) there was no sunshine, and it was windy around 10 degrees.