August weather forecast
Portsmouth, Dominica

August sets in, with Portsmouth witnessing its highest recorded monthly rainfall average of 243mm. The UV index rating, while still high at 12, necessitates suitable sun protection for skin health. Noteworthy is the steady sea temperature, providing warm conditions for water enthusiasts. The island’s tropical climate showcases a dramatic interplay between dense rainfall and sunshine-filled hours. Looking ahead, September sees a further increase in the volume of rainfall.

Temperature

Portsmouth's peak temperatures tend to occur in June through September, with an average high-temperature of 31°C.

Rainfall

In Portsmouth, Dominica, during August, the rain falls for 20 days and regularly aggregates up to 243mm of precipitation. Throughout the year, in Portsmouth, there are 214 rainfall days, and 2252mm of precipitation is accumulated.

Sea temperature

In August, the average sea temperature in Portsmouth, Dominica, is 29°C.
Note: Between the temperatures of 25°C and 29°C, water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods.

Daylight

In Portsmouth, Dominica, the average length of the day in August is 12h and 38min.
On the first day of August in Portsmouth, sunrise is at 05:47 and sunset at 18:36. On the last day of the month, sunrise is at 05:53 and sunset at 18:19 AST.

Sunshine

The months with the most sunshine are March through August, with an average of 8h of sunshine.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 12 in August interprets into the following advice:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.