March weather forecast
Mustique, Saint Vincent and the Grenadines

The weather in March sees a continuation of the previous month's trend. While rainfall is marginally up from February, standing at 104mm (4.09"), overall, it remains a drier month. Sunshine hours remain consistent, making outdoor pursuits irresistible. The sea maintains a warm, inviting climate, making water activities especially appealing. The UV index remains high, reinforcing the need for proper sun protection.

Temperature

March brings an average high-temperature of a still moderately hot 28°C (82.4°F), showing a slight difference from February's 27°C (80.6°F). During the month of March, the temperature generally drops to a low average of 21°C (69.8°F).

Rainfall

In Mustique, during March, the rain falls for 12 days and regularly aggregates up to 104mm (4.09") of precipitation. Throughout the year, there are 200 rainfall days, and 2447mm (96.34") of precipitation is accumulated.

Sea temperature

January through April and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

In March, the average length of the day is 12h and 4min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:13. On the last day of March, sunrise is at 06:01 and sunset at 18:16 AST.

Sunshine

The months with the most sunshine 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 estimate of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 12 in March leads to these recommendations:
Adopt every vital precaution, unprotected skin and eyes may burn rapidly. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Apply generously and frequently reapply a sunscreen with SPF 30 or more even on cloudy days, particularly after a swim or outdoor exercise. Warning! The reflection of sand and water increases the UV dose.