Annual average weather for Stinson Beach, Marin County, United States

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Annual Average Weather for Stinson Beach, Marin County, United States

The annual average maximum daily temperature is 20.7°C (69.2°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 15.5°C (60.0°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 3.9 days of rain per month and 8.3 hours of sun per day.

When is the best time to visit Stinson Beach?

The best months to visit Stinson 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 perfect for sunbathing in the months from December to September when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between June and November when the sea temperature is above the average 16°C (60°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 Stinson Beach year round?

No, you can't sunbathe in Stinson 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 best for sunbathing in the months from December to September when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Stinson Beach year round?

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

The warmest sea water temperatures in Stinson Beach are found in August when they peak at 19°C (67°F) and lowest in May when they dip to 12°C (54°F).

The sea temperature is above average for swimming between June and November when the sea temperature is above 16°C (60°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

The sea is good for swimming in the months from August to September when the sea temperature is above 19°C (66°F)

More info about the annual sea temperatures

When is the hottest month in Stinson Beach?

The hottest month in Stinson Beach is July when the average maximum temperature is very warm and perfect for sunbathing on clear days 26°C (79°F), average temperature is 19°C (65°F) and average minimum temperature is 11°C (52°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Stinson Beach?

The coolest month in Stinson Beach is January when the average maximum temperature is 16°C (60°F), average temperature is 8°C (46°F) and average minimum temperature is 1°C (34°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Stinson Beach?

The sunniest days in Stinson 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 Stinson 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 Stinson Beach?

The driest month in Stinson Beach is July with 0cm (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

When is the wettest month in Stinson Beach?

The wettest month in Stinson Beach is December with 12cm (4.7inches) of rain and the most days of rain with 8.7 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Stinson Beach?

The coldest sea water temperatures in Stinson Beach are found in May when they dip to 12°C (54°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 Stinson Beach?

The warmest sea water temperatures in Stinson Beach are found in August when they peak at 19°C (67°F) which is comfortable for swimming though some may prefer warmer water.

More info about the annual sea temperatures.

When is the most humid month in Stinson Beach?

The most humid month in Stinson Beach is August with a dew point (an indicator of humidity) of 15°C (59°F) which is comfortable for everyone.

More info about the annual humidity.

When is the least humid month in Stinson Beach?

The least humid month in Stinson Beach is January with a dew point of 7°C (45°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Stinson Beach?

The most windy month in Stinson Beach is May when the average maximum windspeed is 25KM/H (16MPH) and the average wind speed is 9KM/H (6MPH).

More info about the annual wind conditions.

Annual Temperature for Stinson Beach

The hottest month in Stinson Beach is July when the average maximum temperature is 26°C (79°F), average temperature is 19°C (65°F) and average minimum temperature is 11°C (52°F).

The coolest month in Stinson Beach is January when the average maximum temperature is 16°C (16°F), average temperature is 8°C (46°F) and average minimum temperature is 1°C (34°F).

Annual Sunshine for Stinson Beach

The longest days in Stinson 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 Stinson 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 Stinson Beach

The warmest sea water temperatures in Stinson Beach are found in August when they peak at 19°C (67°F) and lowest in May when they dip to 12°C (54°F).

The sea is best for swimming between June and November when the temperature is above 16°C (60°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Annual Rainfall for Stinson Beach

The wettest month in Stinson Beach is December with 12cm (4.7inches) of rain and the most days of rain with 8.7 days with some rain, a quite rainy time to visit the beach.

The driest month in Stinson Beach is July with 0cm (0inches) of rain and the least days of rain with 0.3 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Stinson Beach

The most humid month in Stinson Beach is August with a dew point (an indicator of humidity) of 15°C (59°F) which is comfortable for everyone.

The least humid month in Stinson Beach is January with a dew point of 7°C (45°F) which is a bit dry for some.

Annual Wind Speed for Stinson Beach

The most windy month in Stinson Beach is May when the average maximum windspeed is 25KM/H (16MPH) and the average wind speed is 9KM/H (6MPH).

The least windy month in Stinson Beach is December when the average maximum windspeed is 18KM/H (11MPH) and the average wind speed is 5KM/H (3MPH).

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