San Francisco USA Climate and weather
San Francisco is located in the subtropical zone, with favorable Mediterranean climate, characterized by dry warm summers and mild wet winters. The climate is strongly influenced by cool Pacific currents, which moderate temperature differences. Average summer temperature in San Francisco is about 21 °C. Winters are mild, with daytime temperature reaching to 15 °C and never reaching below zero. Snowfalls are rare, with only 10 instances since 1852, the last measurable snowfall registered in 1976. Summer is quite dry, in winter rain is common. The total amount of precipitation is 500-600 mm, most of it during winter months.
The combination of cool ocean currents and California heat produces characteristic San Francisco fog, which in the western part of the city can hold all day in summer and early autumn. The fog is less thick in eastern districts and during September and October, the warmest months of the year. Due to its position between sea and mountains, the city has a variety of local microclimates. The high hills in the geographic center of the city are responsible for a 20% variance in annual rainfall between different parts of the city. They also protect neighborhoods directly to their east from the foggy and cool conditions experienced in the Sunset District, for those who live on the eastern side of the city; San Francisco is sunnier, with an average of 160 clear days, and only 105 cloudy days per year.
This type of climate provides a perfect recreational area, with numerous picturesque beaches, the most popular of which are Baker Beach and spectacular, though not suitable for swimming Baker Beach. The area has lavish flora with many unique species. Extensive nature parks, such as Golden Gate National Recreation Area, Buena Vista Park, Strybing arboretum. The Conservatory of Flowers and Japanese Tea Garden are exceptional landscape attractions, featuring the rarest and most beautiful plants.