Annual average weather for Marshall Beach, San Francisco, United States

Search

Best
Best
Best
Best
Tan
Tan
Tan
Tan
Tan
Sea
12°
 
Sea
12°
 
Sea
15°
 
Sea
15°
 
Sea
16°
 
Sea
16°
 
Sea
16°
 
Sea
16°
 
Sea
17°
 
Sea
16°
 
Sea
16°
 
Sea
15°
 

Annual Average Weather for Marshall Beach, San Francisco, United States

The annual average maximum daily temperature is 18.7°C (65.7°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 5.8 days of rain per month and 8.3 hours of sun per day.

When is the best time to visit Marshall Beach?

The best months to visit Marshall Beach 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.

Can you sunbathe in Marshall Beach year round?

No, you can't sunbathe in Marshall Beach 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.

Can you swim in Marshall Beach year round?

No, you can't swim in Marshall Beach all year round.

The warmest sea water temperatures in Marshall Beach 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

When is the hottest month in Marshall Beach?

The hottest month in Marshall Beach 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 19°C (65°F) and average minimum temperature is 14°C (56°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Marshall Beach?

The coolest month in Marshall Beach is January when the average maximum temperature is 14°C (57°F), average temperature is 10°C (51°F) and average minimum temperature is 7°C (44°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Marshall Beach?

The sunniest days in Marshall Beach are in June which has the most hours of sunshine per day. In June 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.

More info about the annual sunshine.

When is the least sunny month in Marshall Beach?

December has the least sunshine. In December 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.

More info about the annual sunshine.

When is the driest month in Marshall Beach?

The driest month in Marshall Beach is July with 0cm (0inches) of rain and the least days of rain with 0.1 days with some rain, an extremely dry time to visit the beach.

More info about the annual rainfall

When is the wettest month in Marshall Beach?

The wettest month in Marshall Beach is December with 12.6cm (5.0inches) of rain and February has the most days of rain with 12.6 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Marshall Beach?

The coldest sea water temperatures in Marshall Beach 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.

When is the sea the warmest in Marshall Beach?

The warmest sea water temperatures in Marshall Beach 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.

When is the most humid month in Marshall Beach?

The most humid month in Marshall Beach 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.

When is the least humid month in Marshall Beach?

The least humid month in Marshall Beach is January with a dew point of 8°C (47°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Marshall Beach?

The most windy month in Marshall Beach is May when the average maximum windspeed is 43KM/H (27MPH) and the average wind speed is 22KM/H (14MPH).

More info about the annual wind conditions.

Annual Temperature for Marshall Beach

The hottest month in Marshall Beach is September when the average maximum temperature is 23°C (74°F), average temperature is 19°C (65°F) and average minimum temperature is 14°C (56°F).

The coolest month in Marshall Beach is January when the average maximum temperature is 14°C (14°F), average temperature is 10°C (51°F) and average minimum temperature is 7°C (44°F).

Annual Sunshine for Marshall Beach

The longest days in Marshall Beach 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 Marshall Beach 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.

Annual Sea Temperature for Marshall Beach

The warmest sea water temperatures in Marshall Beach 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.

Annual Rainfall for Marshall Beach

The wettest month in Marshall Beach is December with 12.6cm (5.0inches) of rain and February has the most days of rain with 12.6 days with some rain, a pretty wet time to visit the beach.

The driest month in Marshall Beach is July with 0cm (0inches) of rain and the least days of rain with 0.1 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Marshall Beach

The most humid month in Marshall Beach is September with a dew point (an indicator of humidity) of 14°C (56°F) which is comfortable for everyone.

The least humid month in Marshall Beach is January with a dew point of 8°C (47°F) which is a bit dry for some.

Annual Wind Speed for Marshall Beach

The most windy month in Marshall Beach is May when the average maximum windspeed is 43KM/H (27MPH) and the average wind speed is 22KM/H (14MPH).

The least windy month in Marshall Beach is January when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 10KM/H (6MPH).

Best Beaches

PICK A MONTH FOR BEST BEACHES IN UNITED STATES

Monthly Averages

Suggested Beaches

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

Booking.com Search FlightsImage

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.