Summer: June to August counts for the summer season in San Francisco with temperature varying from 21°C in the day time to 12°C at night. One can expect few drizzles by the end of August.
Gay Pride Parade which is very popular in United States takes place during the month of June in summers.
Autumn: Is the most favorable month when the weather is between 8°C - 20°C. This time is also known as the “Indian Summers” which is the popular month for the locals.There are lot of activities and things to do in San Francisco during Autumn.
September to November is the best time to visit San Francisco when the fog has faded off & the weather is clear to give you a great and crisp view of the Golden Gate Bridge. In the day time the temperature is usually between 55°F to 70°F and drops down gradually as the sun sets.
Winter: Heavy rainfalls in the month of November & December. It is usually foggy in December and the temperature varies from 6°C - 12°C.