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Best
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Best
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Best
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Best
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Tan
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Tan
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Sea
12°
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Sea
12°
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Sea
15°
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Sea
15°
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Sea
16°
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Sea
16°
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Sea
16°
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Sea
16°
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Sea
17°
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Sea
16°
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Sea
16°
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Sea
15°
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The annual average maximum daily temperature is 18.8°C (65.9°F) which is not that warm but sunbathing may be possible on some clear days. The annual average water temperature is typically 15.1°C (59.1°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. Annually there are on average 6.0 days of rain per month and 8.3 hours of sun per day.
The best months to visit San Francisco are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.
The weather is warm enough for sunbathing in the months from July to September when the maximum temperature reaches above 22°C (72°F)
The sea is best for swimming between May and November when the sea temperature is above the average 15°C (59°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
No, you can't sunbathe in San Francisco all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.
The weather is warm enough for sunbathing in the months from July to September when the maximum temperature reaches above 22°C (72°F)
More info about the annual temperatures and sunshine.
No, you can't swim in San Francisco all year round.
The warmest sea water temperatures in San Francisco are found in September when they peak at 17°C (62°F) and lowest in February when they dip to 12°C (53°F).
The sea temperature is above average for swimming between May and November when the sea temperature is above 15°C (59°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
More info about the annual sea temperatures
The hottest month in San Francisco is September when the average maximum temperature is nice and warm and makes sunbathing pleasant on clear days 23°C (74°F), average temperature is 18°C (65°F) and average minimum temperature is 13°C (56°F).
More info about the annual temperatures and sunshine.
The coolest month in San Francisco is January when the average maximum temperature is 14°C (57°F), average temperature is 10°C (50°F) and average minimum temperature is 6°C (43°F).
More info about the annual temperatures and sunshine
The driest month in San Francisco is July with 0.1cm (0.0inches) of rain and the least days of rain with 0.3 days with some rain, an extremely dry time to visit the beach.
More info about the annual rainfall
The coldest sea water temperatures in San Francisco are found in February when they dip to 12°C (53°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.
More info about the annual sea temperatures.
The warmest sea water temperatures in San Francisco are found in September when they peak at 17°C (62°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.
More info about the annual sea temperatures.
The most humid month in San Francisco is September with a dew point (an indicator of humidity) of 14°C (56°F) which is comfortable for everyone.
More info about the annual humidity.
The least humid month in San Francisco is January with a dew point of 8°C (47°F) which is a bit dry for some.
More info about the annual humidity.
The most windy month in San Francisco is May when the average maximum windspeed is 41KM/H (25MPH) and the average wind speed is 20KM/H (13MPH).
More info about the annual wind conditions.
The hottest month in San Francisco is September when the average maximum temperature is 23°C (74°F), average temperature is 18°C (65°F) and average minimum temperature is 13°C (56°F).
The coolest month in San Francisco is January when the average maximum temperature is 14°C (14°F), average temperature is 10°C (50°F) and average minimum temperature is 6°C (43°F).
The longest days in San Francisco are in June, with an average of 14.8 hours of daylight per day. December has the shortest days with an average of 9.6 hours of daylight per day.
The sunniest days in San Francisco are in June which has the most hours of sunshine per day. The sunshine percentage is 76% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.2hrs making the days very long and bright.
December has the least sunshine. The sunshine percentage is 53% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day.
The ultraviolet index is the highest in July when it reaches 10.6 and lowest in December when it reaches 2.2.
An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The warmest sea water temperatures in San Francisco are found in September when they peak at 17°C (62°F) and lowest in February when they dip to 12°C (53°F).
The sea is best for swimming between May and November when the temperature is above 15°C (59°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
The wettest month in San Francisco is December with 12.3cm (4.8inches) of rain and February has the most days of rain with 12.7 days with some rain, a pretty wet time to visit the beach.
The driest month in San Francisco is July with 0.1cm (0.0inches) of rain and the least days of rain with 0.3 days with some rain, an extremely dry time to visit the beach.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
