June weather forecast
Mustique, Saint Vincent and the Grenadines

June marks the threshold of the summer season in Mustique, bringing a noticeable increase in rainfall levels to 234mm (9.21"). Despite this meteorological shift, the temperatures remain attractive to visitors. The sea retains its warmth, while daylight hours extend, creating longer days for adventure. With the UV index hitting a yearly high, adequate sun protection becomes crucial. June's weather strikes a balance between breezy beach days and tropical rain showers.

Temperature

June's weather records an average high-temperature of a warm 29°C (84.2°F), showing little deviation from May. An average low-temperature of 23°C (73.4°F) is anticipated throughout the nights during June.

Rainfall

In Mustique, during June, the rain falls for 18 days and regularly aggregates up to 234mm (9.21") of precipitation. Throughout the year, there are 200 rainfall days, and 2447mm (96.34") of precipitation is accumulated.

Sea temperature

In Mustique, in June, the average water temperature is 28°C (82.4°F).
Note: For water activities like swimming, diving, and more, temperatures ranging between 25°C (77°F) and 29°C (84.2°F) offer superior comfort and enjoyment for lengthy durations.

Daylight

June has the longest days of the year, with an average of 12h and 54min of daylight.
On the first day of June, sunrise is at 05:37 and sunset at 18:27. On the last day of the month, sunrise is at 05:42 and sunset at 18:34 AST.

Sunshine

The months with the most sunshine in Mustique, Saint Vincent and the Grenadines, are January through August, November and December, with an average of 8h of sunshine.

UV index

February 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 excessive health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 12 in June translates into the following recommendations:
Take every essential safety procedure. Individuals with fair skin could sustain burns in less than 5 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Regardless of the cloudiness of the day, a sunscreen with SPF 30 or more should be applied and reapplied generously, specifically after swimming or outdoor exercise. Attention! UV radiation is markedly stronger with water and sand reflections.