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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
16°
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Sea
15°
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Sea
15°
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Sea
16°
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Sea
18°
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Sea
22°
Swim
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Sea
23°
Swim
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Sea
25°
Swim
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Sea
23°
Swim
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Sea
20°
Swim
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Sea
20°
Swim
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Sea
16°
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The annual average maximum daily temperature is 21.8°C (71.3°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 19.1°C (66.4°F) which is comfortable for swimming though some may prefer warmer water. Annually there are on average 6.6 days of rain per month and 8.0 hours of sun per day.
The best months to visit San Antonio 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 June 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 19°C (66°F) which is comfortable for swimming though some may prefer warmer water.
No, you can't sunbathe in San Antonio 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 June 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 San Antonio all year round.
The warmest sea water temperatures in San Antonio are found in August when they peak at 25°C (77°F) and lowest in March when they dip to 15°C (59°F).
The sea temperature is above average for swimming between June and November when the sea temperature is above 19°C (66°F) which is comfortable for swimming though some may prefer warmer water.
For very comfortable swimming conditions try swimming in the months from June to September when the sea temperature is above 22°C (72°F)
More info about the annual sea temperatures
The hottest month in San Antonio is August when the average maximum temperature is very warm and perfect for sunbathing on clear days 30°C (85°F), average temperature is 26°C (79°F) and average minimum temperature is 23°C (73°F).
More info about the annual temperatures and sunshine.
The coolest month in San Antonio is January when the average maximum temperature is 15°C (59°F), average temperature is 11°C (52°F) and average minimum temperature is 8°C (46°F).
More info about the annual temperatures and sunshine
The sunniest days in San Antonio are in July which has the most hours of sunshine per day. In July the sunshine percentage is 81% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 11.9hrs making the days very long and bright.
More info about the annual sunshine.
The driest month in San Antonio is June with 0cm (0inches) of rain and July has the fewest days of rain with 1.2 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 Antonio are found in March 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 San Antonio are found in August when they peak at 25°C (77°F) which is warm and pleasant for relaxing and swimming for long periods.
More info about the annual sea temperatures.
The most humid month in San Antonio is August with a dew point (an indicator of humidity) of 23°C (73°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
More info about the annual humidity.
The least humid month in San Antonio is February with a dew point of 10°C (50°F) which is a bit dry for some.
More info about the annual humidity.
The most windy month in San Antonio is March when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 15KM/H (9MPH).
More info about the annual wind conditions.
The hottest month in San Antonio is August when the average maximum temperature is 30°C (85°F), average temperature is 26°C (79°F) and average minimum temperature is 23°C (73°F).
The coolest month in San Antonio is January when the average maximum temperature is 15°C (15°F), average temperature is 11°C (52°F) and average minimum temperature is 8°C (46°F).
The longest days in San Antonio are in June, with an average of 14.9 hours of daylight per day. December has the shortest days with an average of 9.4 hours of daylight per day.
The sunniest days in San Antonio are in July which has the most hours of sunshine per day. The sunshine percentage is 81% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 11.9hrs making the days very long and bright.
December has the least sunshine. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 4.9 hours of sunshine per day.
The ultraviolet index is the highest in July when it reaches 10 and lowest in December when it reaches 1.8.
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 Antonio are found in August when they peak at 25°C (77°F) and lowest in March when they dip to 15°C (59°F).
The sea is best for swimming between June and November when the temperature is above 19°C (66°F) which is comfortable for swimming though some may prefer warmer water.
The wettest month in San Antonio is November with 18.9cm (7.4inches) of rain and the most days of rain with 10.1 days with some rain, a pretty wet time to visit the beach.
The driest month in San Antonio is June with 0cm (0inches) of rain and July has the fewest days of rain with 1.2 days with some rain, an extremely dry time to visit the beach.
The most humid month in San Antonio is August with a dew point (an indicator of humidity) of 23°C (73°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
The least humid month in San Antonio is February with a dew point of 10°C (50°F) which is a bit dry for some.
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.
