Product Description. 1  Flex Seal as seen on TV is a rubberized leak sealer that seeps into cracks and holes to seal out air and moisture. When dry, Flex Seal, as seen on TV, is a long-lasting, watertight, paintable, flexible rubber coating that won't sag, drip, crack or peel. It seals out water and lasts for years.
The average high in Antigua is 31ÂºC in September so itâs perfect if you love the heat. Temperatures only drop to 25ÂºC at night so you wonât need to bring many warm clothes. The sea temperatureâs 29ÂºC, so itâs lovely for swimming, while humidityâs very high.
Antigua: Annual Weather Averages. June is the hottest month in Antigua with an average temperature of 28Â°C (82Â°F) and the coldest is January at 25Â°C (76Â°F) with the most daily sunshine hours at 10 in June.The wettest month is October with an average of 101mm of rain.The best month to swim in the sea is in August when the average sea temperature is 29Â°C (84Â°F).he wettest month is October with an average of 101mm of rain. The best month to swim in the sea is in August when the average sea temperature is 29Â°C (84Â°F).