Climate of Roseau, Saint George, Dominica
Point-value climate at Roseau (Saint George, Dominica). Population approximately 23,336.
Located in Saint George, Dominica, Roseau has a tropical climate. Population approximately 23,336. Monthly average temperatures range from 25.3°C / 77.5°F in January to 28°C / 82.4°F in August, with rainfall varying from 76 mm / 3 in (April) to 240 mm / 9.4 in (August) — about 1902 mm / 74.9 in across the year. As the national capital of Dominica, it's often the primary gateway for travellers. These are point-value climate normals sampled at Roseau's coordinates — often quite different from the surrounding region's area-weighted average.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 25.3°C77.5°F | 129 mm5.1″ | Tropical |
| February | 25.3°C77.5°F | 84 mm3.3″ | Tropical |
| March | 25.7°C78.3°F | 80 mm3.1″ | Tropical |
| April | 26.6°C79.9°F | 76 mm3″ | — |
| May | 27.5°C81.5°F | 113 mm4.4″ | Tropical |
| June | 27.9°C82.2°F | 175 mm6.9″ | Tropical |
| July | 27.9°C82.2°F | 166 mm6.5″ | Tropical |
| August | 28°C82.4°F | 240 mm9.4″ | Tropical |
| September | 27.7°C81.9°F | 235 mm9.3″ | Tropical |
| October | 27.4°C81.3°F | 214 mm8.4″ | Tropical |
| November | 26.8°C80.2°F | 228 mm9″ | Tropical |
| December | 25.9°C78.6°F | 162 mm6.4″ | Tropical |
Frequently asked questions
What is the best time to visit Roseau?
Roseau does not have a clearly "sunny" season by our profile cutoffs — see the "warmest and driest months" fallback for the closest picks. Roseau's warmest month is August at an average of 28°C / 82.4°F, and its driest month is April with about 76 mm / 3 in of rain.
What is the climate of Roseau?
Roseau, in Saint George, Dominica, has monthly average temperatures ranging from 25.3°C / 77.5°F in January to 28°C / 82.4°F in August. Annual rainfall is approximately 1902 mm / 74.9 in, with the wettest month being August (240 mm / 9.4 in) and the driest April (76 mm / 3 in).
What is the average temperature in Roseau in August?
The average temperature in Roseau in August is 28°C / 82.4°F, with rainfall of about 240 mm / 9.4 in — the warmest month of the year.
When is the driest month in Roseau?
The driest month in Roseau is April, with about 76 mm / 3 in of average monthly rainfall. Average temperature that month is 26.6°C / 79.9°F.
When is the wettest month in Roseau?
The wettest month in Roseau is August, with approximately 240 mm / 9.4 in of average monthly rainfall.