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Sea
23°
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23°
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22°
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21°
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20°
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18°
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18°
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19°
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20°
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21°
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The annual average maximum daily temperature is 23.4°C (74.2°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 20.5°C (69.0°F) which is comfortable for swimming though some may prefer warmer water. Annually there are on average 0.0 days of rain per month and 6.5 hours of sun per day.
The best months to visit Sandwich Harbor are February, March, April, May, 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 November to July when the maximum temperature reaches above 22°C (72°F)
The sea is best for swimming between December and May when the sea temperature is above the average 21°C (69°F) which is comfortable for swimming though some may prefer warmer water.
No, you can't sunbathe in Sandwich Harbor 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 November to July when the maximum temperature reaches above 22°C (72°F)
More info about the annual temperatures and sunshine.
No, you can't swim in Sandwich Harbor all year round.
The warmest sea water temperatures in Sandwich Harbor are found in January when they peak at 23°C (74°F) and lowest in August when they dip to 18°C (65°F).
The sea temperature is above average for swimming between December and May when the sea temperature is above 21°C (69°F) which is comfortable for swimming though some may prefer warmer water.
For very comfortable swimming conditions try swimming in the months from December to March when the sea temperature is above 22°C (72°F)
More info about the annual sea temperatures
The hottest month in Sandwich Harbor is April when the average maximum temperature is very warm and perfect for sunbathing on clear days 26°C (79°F), average temperature is 20°C (68°F) and average minimum temperature is 15°C (58°F).
More info about the annual temperatures and sunshine.
The coolest month in Sandwich Harbor is August when the average maximum temperature is 21°C (69°F), average temperature is 14°C (58°F) and average minimum temperature is 8°C (47°F).
More info about the annual temperatures and sunshine
The coldest sea water temperatures in Sandwich Harbor are found in August when they dip to 18°C (65°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 warmest sea water temperatures in Sandwich Harbor are found in January when they peak at 23°C (74°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 Sandwich Harbor is February with a dew point (an indicator of humidity) of 16°C (60°F) which is comfortable for everyone.
More info about the annual humidity.
The least humid month in Sandwich Harbor is July 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 Sandwich Harbor is July when the average maximum windspeed is 28KM/H (17MPH) and the average wind speed is 13KM/H (8MPH).
More info about the annual wind conditions.
The hottest month in Sandwich Harbor is April when the average maximum temperature is 26°C (79°F), average temperature is 20°C (68°F) and average minimum temperature is 15°C (58°F).
The coolest month in Sandwich Harbor is August when the average maximum temperature is 21°C (21°F), average temperature is 14°C (58°F) and average minimum temperature is 8°C (47°F).
The longest days in Sandwich Harbor are in December, with an average of 13.5 hours of daylight per day. June has the shortest days with an average of 10.7 hours of daylight per day.
The sunniest days in Sandwich Harbor are in May which has the most hours of sunshine per day. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 6.9hrs.
March has the least sunshine. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day.
The ultraviolet index is the highest in January when it reaches 15.9 and lowest in June when it reaches 6.2.
An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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 Sandwich Harbor are found in January when they peak at 23°C (74°F) and lowest in August when they dip to 18°C (65°F).
The sea is best for swimming between December and May when the temperature is above 21°C (69°F) which is comfortable for swimming though some may prefer warmer water.
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.
