June weather forecast
Portsmouth, Dominica

June sets the stage for the official hurricane season in Portsmouth. On record, average sunshine hours hold steady at 8 hours per day. As one of the months with heaviest rainfall, June receives an impressive 173mm (6.81") precipitation on average. On the progressive end, the UV index rating is duly noted for its constance, mirroring the numbers of May. Even though it marks the onset of the wet season, temperatures remain consistently high.

Temperature

In Portsmouth, the warmest period comes during June through September, when the average high-temperature touches 31°C (87.8°F).

Rainfall

In Portsmouth, Dominica, during June, the rain falls for 18 days and regularly aggregates up to 173mm (6.81") of precipitation. Throughout the year, there are 214 rainfall days, and 2252mm (88.66") of precipitation is accumulated.

Sea temperature

In June, the average sea temperature is 28.4°C (83.1°F).
Note: Swimming, diving, and other water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are highly enjoyable and provide prolonged comfort without unease.

Daylight

The month with the longest days is June, with an average of 13h and 0min of daylight.
On the first day of the month, sunrise is at 05:33 and sunset at 18:33. On the last day of June, in Portsmouth, sunrise is at 05:38 and sunset at 18:40 AST.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 12 in June leads to these recommendations:
Take every essential safety procedure. Individuals with fair skin could sustain burns in less than 5 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. A broad-spectrum sunscreen of SPF 30+ should be used liberally and reapplied every two hours or post an outdoor workout or swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.