July weather forecast
Portsmouth, Dominica

Portsmouth experiences peak rainfall in July, with the average precipitation rising to 156mm (6.14"). The sea temperature soars to 28.7°C (83.7°F), which, along with stable sunlight hours, makes any beach day inviting. Despite the wet environment, it offers a good blend of warm weather and vibrant tropical energy. Compared to August, July is less wet, although the temperature remains stable.

Temperature

Portsmouth's warmest season falls during June through September, averaging a high-temperature of 31°C (87.8°F).

Rainfall

In Portsmouth, in July, it is raining for 20 days, with typically 156mm (6.14") of accumulated precipitation. Throughout the year, there are 214 rainfall days, and 2252mm (88.66") of precipitation is accumulated.

Sea temperature

In Portsmouth, the average seawater temperature in July is 28.7°C (83.7°F).
Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.

Daylight

In Portsmouth, the average length of the day in July is 12h and 57min.
On the first day of the month, sunrise is at 05:38 and sunset at 18:40. On the last day of July, sunrise is at 05:47 and sunset at 18:36 AST.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Portsmouth. A UV Index value of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 12 in July translates into these instructions:
Adopt all important safety measures, unprotected skin may burn rapidly. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Use liberally and reapply a broad-spectrum SPF 30+ sunscreen every two hours, or straight away after any outdoor workout or swim. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.