March weather forecast
Roseau, Dominica

March’s weather in Roseau, Dominica, begins to reflect the heart of the tropical climate, paving the way for longer days ahead. Transitioning from February, the upward temperature trend introduces a warmth that’s a hallmark of the region. Rain and sunshine maintain their dance, ensuring that the city's vibrant botanical life thrives. Even as the days become longer, the sea remains a constant, comforting presence. The UV index peaks this month, necessitating diligent sun care measures for residents and travelers.

Temperature

Welcoming March, Roseau notes an average high-temperature of a hot 30°C (86°F), nearly consistent with February's 29°C (84.2°F). During March, Roseau's temperature falls to a steady low-temperature average of 21°C (69.8°F).

Rainfall

In Roseau, during March, the rain falls for 15 days and regularly aggregates up to 93mm (3.66") of precipitation. Throughout the year, there are 218 rainfall days, and 1996mm (78.58") of precipitation is accumulated.

Sea temperature

February and March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Roseau, Dominica.
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

In Roseau, the average length of the day in March is 12h and 4min.
On the first day of the month, sunrise is at 06:22 and sunset at 18:13. On the last day of March, in Roseau, sunrise is at 06:00 and sunset at 18:17 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 reading of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 12 during March morphs into the following directions:
Adopt every precaution of necessity, unprotected skin and eyes may suffer burns instantly. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Directly after outdoor activities or swimming, a broad-spectrum sunscreen with SPF 30+ should be applied generously and reapplied frequently. Warning! The Sun's UV rays intensify with reflections from sand and water.