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9°
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8°
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The best months to visit East Sussex 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 sea is best for swimming between June and December when the sea temperature is above the average 14°C (58°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
No, you can't sunbathe in East Sussex 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.
More info about the annual temperatures and sunshine.
No, you can't swim in East Sussex all year round.
The warmest sea water temperatures in East Sussex are found in August when they peak at 20°C (68°F) and lowest in March when they dip to 7°C (45°F).
The sea temperature is above average for swimming between June and December when the sea temperature is above 14°C (58°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 hottest month in East Sussex is July when the average maximum temperature is warm 20°C (69°F), average temperature is 18°C (64°F) and average minimum temperature is 16°C (60°F).
More info about the annual temperatures and sunshine.
The coolest month in East Sussex is December when the average maximum temperature is 8°C (47°F), average temperature is 6°C (42°F) and average minimum temperature is 4°C (39°F).
More info about the annual temperatures and sunshine
The driest month in East Sussex is March with 0.2cm (0.1inches) of rain and April has the fewest days of rain with 9.1 days with some rain, a quite rainy time to visit the beach.
More info about the annual rainfall
The coldest sea water temperatures in East Sussex are found in March when they dip to 7°C (45°F) which is extremely cold and not suitable for swimming. Taking a dip at this temperature would risk hypothermia.
More info about the annual sea temperatures.
The warmest sea water temperatures in East Sussex are found in August when they peak at 20°C (68°F) which is comfortable for swimming though some may prefer warmer water.
More info about the annual sea temperatures.
The most humid month in East Sussex is July 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 East Sussex is February with a dew point of 5°C (41°F) which is a bit dry for some.
More info about the annual humidity.
The most windy month in East Sussex is January when the average maximum windspeed is 32KM/H (20MPH) and the average wind speed is 22KM/H (14MPH).
More info about the annual wind conditions.
The hottest month in East Sussex is July when the average maximum temperature is 20°C (69°F), average temperature is 18°C (64°F) and average minimum temperature is 16°C (60°F).
The coolest month in East Sussex is December when the average maximum temperature is 8°C (8°F), average temperature is 6°C (42°F) and average minimum temperature is 4°C (39°F).
The longest days in East Sussex are in June, with an average of 16.5 hours of daylight per day. December has the shortest days with an average of 8 hours of daylight per day.
The sunniest days in East Sussex are in June which has the most hours of sunshine per day with an average of 7.7 hours of sunshine per day, making it quite sunny but with occasional periods of cloudy and overcast skies.
December has the least sunshine with an average of 1.6 hours of sunshine per day, making it extremely gloomy and overcast with very little sunshine.
The ultraviolet index is the highest in June when it reaches 7.6 and lowest in December when it reaches 0.6.
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 East Sussex are found in August when they peak at 20°C (68°F) and lowest in March when they dip to 7°C (45°F).
The sea is best for swimming between June and December when the temperature is above 14°C (58°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
The wettest month in East Sussex is October with 0.8cm (0.3inches) of rain and November has the most days of rain with 14.5 days with some rain, a pretty wet time to visit the beach.
The driest month in East Sussex is March with 0.2cm (0.1inches) of rain and April has the fewest days of rain with 9.1 days with some rain, a quite rainy time to visit the beach.
