San Francisco weather is known for its mild temperatures, which are a result of the city’s location between the Pacific Ocean and the Bay Area hills. The city experiences a Mediterranean climate, characterized by cool, wet winters and mild, dry summers. The weather in San Francisco is also influenced by the city’s microclimates, which can vary greatly depending on location. For example, the temperature in the downtown area can be several degrees warmer than in the surrounding neighborhoods.

On average, January is the coldest month in San Francisco, with temperatures ranging from 8-12°C (46-54°F) during the day and 4-8°C (39-46°F) at night. July is the warmest month, with temperatures ranging from 16-20°C (61-68°F) during the day and 12-16°C (54-61°F) at night. The city also experiences a significant amount of fog throughout the year, especially during the summer months.

When it comes to the best time of year to visit San Francisco, it ultimately depends on what you’re looking to experience. If you enjoy cooler temperatures and fewer crowds, then the shoulder seasons of spring and fall may be the perfect time for you to visit. These seasons offer mild weather, with temperatures ranging from 12-17°C (54-63°F) during the day and 8-12°C (46-54°F) at night, and fewer tourists in comparison to the peak summer months. Additionally, during the spring and fall, you can enjoy the city’s famous wildflowers and fall foliage, respectively.Summer is also a great time to visit San Francisco, despite the crowds. The city experiences its warmest temperatures of the year, ranging from 16-20°C (61-68°F) during the day and 12-16°C (54-61°F) at night. This is the perfect weather for outdoor activities such as visiting Golden Gate Park, taking a ferry ride to Alcatraz Island, or strolling along the waterfront.If you’re a fan of the city’s famous fog, then visiting during the summer may be the best time for you. The city experiences its highest levels of fog during the months of June, July and August. Additionally, the summer months also offer a variety of festivals and events, such as the annual Hardly Strictly Bluegrass music festival and the San Francisco Pride parade.For those who enjoy winter weather, San Francisco can be a great destination during the winter months. The city experiences its coolest temperatures, ranging from 8-12°C (46-54°F) during the day and 4-8°C (39-46°F) at night. It’s also the wettest time of year, with the highest chance of rain. However, the city is still quite mild compared to other parts of the country during this time of year, and it can be a great time to explore indoor activities such as visiting museums and art galleries.In conclusion, San Francisco weather offers something for everyone, and the best time to visit depends on your personal preferences. The city’s mild temperatures, varied microclimates, and unique weather patterns make it a destination that can be enjoyed year-round. Whether you’re looking to escape the heat, experience the famous San Francisco fog, or simply enjoy the city’s outdoor activities, there is always a perfect time to visit San Francisco.

Month Low (°C) High (°C) Low (°F) High (°F) Rain (%)
January 8 12 46 54 80
February 9 13 48 55 70
March 10 14 50 57 60
April 11 15 52 59 50
May 12 17 54 63 40
June 13 18 55 64 30
July 12 16 54 61 20
August 12 16 54 61 20
September 11 15 52 59 30
October 10 14 50 57 40
November 9 13 48 55 50
December 8 12 46 54 60