Average annual temperature is 26.2 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: 21.2 °C
Number of sunny days: 48 days
Number of rainy days: 317 days
Look at detailed online map of Roseau
* Weather data for Roseau Dominica is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 27.2 | 26.8 | 28.7 | 29.8 | 30.0 | 30.3 | 30.1 | 30.8 | 32.1 | 31.9 | 29.9 | 28.8 |
| Average daytime temperature (°C) | 26.3 | 26.0 | 27.0 | 27.6 | 29.2 | 29.3 | 29.1 | 29.7 | 30.9 | 29.5 | 28.9 | 27.6 |
| Average temperature (°C) | 24.5 | 24.0 | 24.7 | 25.3 | 26.9 | 27.4 | 27.0 | 27.5 | 28.3 | 27.3 | 26.6 | 25.5 |
| Average night temperature (°C) | 22.9 | 22.3 | 22.8 | 23.5 | 25.1 | 25.6 | 25.2 | 25.5 | 26.2 | 25.5 | 24.9 | 23.7 |
| Absolute minimum temperature (°C) | 21.3 | 21.2 | 21.3 | 22.4 | 22.9 | 24.0 | 24.1 | 24.1 | 25.0 | 23.9 | 22.6 | 22.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.8 | 11.1 | 11.6 | 11.4 | 11.2 | 10.6 | 10.9 | 11.1 | 8.8 | 10.4 | 10.1 |
| Precipitation (mm) | 57 | 94 | 65 | 75 | 40 | 105 | 125 | 110 | 51 | 194 | 50 | 85 |
| Sunny days | 3 | 3 | 12 | 0 | 5 | 2 | 3 | 2 | 1 | 4 | 5 | 8 |
| Rainy days | 28 | 25 | 19 | 30 | 26 | 28 | 28 | 29 | 29 | 27 | 25 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Roseau is at