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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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Tan
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Tan
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Tan
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Tan
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Sea
15°
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Sea
15°
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Sea
15°
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Sea
16°
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Sea
17°
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Sea
18°
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Sea
19°
Swim
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Sea
20°
Swim
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Sea
21°
Swim
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Sea
18°
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Sea
16°
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Sea
15°
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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 17.1°C (62.8°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. Annually there are on average 3.9 days of rain per month and 8.4 hours of sun per day.
The best months to visit Tomales Bay 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 May and October when the sea temperature is above the average 17°C (63°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.
No, you can't sunbathe in Tomales Bay 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.
No, you can't swim in Tomales Bay all year round.
The warmest sea water temperatures in Tomales Bay are found in September when they peak at 21°C (69°F) and lowest in February when they dip to 15°C (59°F).
The sea temperature is above average for swimming between May and October when the sea temperature is above 17°C (63°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The sea is good for swimming in the months from July to September when the sea temperature is above 19°C (66°F)
More info about the annual sea temperatures
The hottest month in Tomales Bay 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.
The coolest month in Tomales Bay 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
The driest month in Tomales Bay 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
The coldest sea water temperatures in Tomales Bay are found in February when they dip to 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 warmest sea water temperatures in Tomales Bay are found in September when they peak at 21°C (69°F) which is comfortable for swimming though some may prefer warmer water.
More info about the annual sea temperatures.
The most humid month in Tomales Bay 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.
The least humid month in Tomales Bay is January with a dew point of 7°C (45°F) which is a bit dry for some.
More info about the annual humidity.
The most windy month in Tomales Bay 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.
The hottest month in Tomales Bay 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 Tomales Bay 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).
The longest days in Tomales Bay are in June, with an average of 14.8 hours of daylight per day. December has the shortest days with an average of 9.5 hours of daylight per day.
The sunniest days in Tomales Bay are in June which has the most hours of sunshine per day. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright.
December has the least sunshine. The sunshine percentage is 54% 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 10.5 and lowest in December when it reaches 2.1.
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 Tomales Bay are found in September when they peak at 21°C (69°F) and lowest in February when they dip to 15°C (59°F).
The sea is best for swimming between May and October when the temperature is above 17°C (63°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The wettest month in Tomales Bay 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 Tomales Bay 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.
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.
