Best time to go to San Francisco Average weather of San Francisco, California

Find the most favorable time to go to San Francisco in United States from seasonal norms, right here.

When is the best time to go to San Francisco?

The city of San Francisco is one of the destinations that can be visited throughout any season. Only the traveller's expectations and their financial capacities help determine the best time to go.

In order to enjoy the beautiful weather, nothing beats the summer period when the sun is at its highest. Moreover, it is possible to combine your stay with the discovery of some of the most significant cultural events, like the Stern Grove Festival.

In the spring and autumn, the relatively cool temperatures are easily forgotten, especially with exciting holidays like the Oktoberfest; this custom festival imported all the way from Munich by immigrants has kept all its authenticity: beer, sausages and great music await you, to the delight of travellers.

In winter, the rates offered by travel professionals are very tempting, but be prepared to deal with the freshness and rain.

So, when is the best time to go to San Francisco? Here's some more information to help you in your decision:

  • The best months for good weather in San Francisco are April, May, June, July, August, September, October and November
  • On average, the warmest months are July, August, September and October
  • San Francisco has dry periods in July, August and September
  • The coldest months are January, February and December
  • The rainiest months are January, February and December

For full information about the climate and weather in San Francisco a specific month, click on the corresponding line below:

January 9°C/16°C
February 10°C/16°C
March 11°C/17°C
April 12°C/18°C
May 12°C/19°C
June 13°C/21°C
July 15°C/23°C
August 16°C/23°C
September 16°C/24°C
October 15°C/22°C
November 12°C/19°C
December 10°C/15°C

Weather and climate in San Francisco

About the climate

A city on the west coast of the USA, in the heart of California and not far from Los Angeles, San Francisco enjoys a temperate climate, similar to that of a mediterranean type temperature. Thus, it is warm and fresh all year round and if summers are very dry, winters are on the contrast, rather quite humid. The climate in San Francisco is influenced by the presence of the Pacific Ocean.

Summer in San Francisco

Unlike in New York, where one is faced with very hot and sweltering summers, San Francisco experiences a more mild summer, with temperatures at around 25° C and very low rainfall, making the rate of sunshine particularly high: about nine or ten hours per day. Mornings are however a bit cool in San Francisco. On top of this, a mist settles regularly on the city during this period, bringing humidity and freshness.

Winter in San Francisco

Due to the temperate climates, San Francisco enjoys relatively mild winters. It is rare to see temperatures drop into the negative here, although the rainfall remains generally rare in San Francisco or California, it is much more concentrated during the winter months. Snowfalls are even rarer.

Spring in San Francisco

The Spring in San Francisco is quite pleasant with temperatures that climb gradually until they attain their summer level. There is relatively little rain at this time and late spring in particular is especially dry.

Autumn in San Francisco

In autumn, the climate of San Francisco faces temperatures that decrease gradually until they reach the freshness of winter. The early fall is very dry, but by the end in November it has more precipitation which further announces the arrival of winter. In early autumn and summer, it is not uncommon to observe sheets of fog along the coast and sometimes even in the city, bringing with them humidity and cool temperatures.

San Francisco : Golden Dawn Bridge - HDR

The month-by-month climate

  • From january to march the climate is okay. The record temperature this month is 27°C and it rains about 29% of the time in march.
  • Between the months of april and july the climate is beautiful. The record temperature this month is 35°C and it rains about 6mm each month.
  • From august to september the climate is very good. In average, on the morning it is 16°C and, in september, 1 days of rain are expected.
  • From october to november the climate is beautiful. In average, on the morning it is 12°C and it rains about 54mm each month.
  • In the month of december the climate is passable, but still OK. At lunchtime, it's 14°C in average and you can expect to have 113mm of rainfall/month during this period.

Chart: temperature and rainfall in San Francisco

The chart below allows you to look at the following seasonal norms for the city of San Francisco: minimum and maximum temperatures, and the monthly volume of precipitation for each month of the year.

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San Francisco appears on the map below with a blue icon. The other cities or locations in California appear on the map with a black icon. Click for information about the climate.

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