Climate averages 1991–2020
Weather in Haiti in August
In August, average daytime highs across the 18 cities listed in Haiti range from 29.1°C in Cap-Haïtien to 33.8°C in Dessalines. Monthly rainfall ranges from 36 mm in Arcahaie to 193 mm in Port-au-Prince.
Long-term climate patterns, not a forecast for a particular trip.
City by city
August in Haiti
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Port-au-Prince | 33.4°C25.0°C | 25.0°C | 193 | 23.4 |
| Carrefour | 31.6°C25.1°C | 25.1°C | 159 | 21.7 |
| Pétionville | 30.5°C23.2°C | 23.2°C | 193 | 23.4 |
| Port-de-Paix | 31.9°C26.2°C | 26.2°C | 67 | 16.4 |
| Saint-Marc | 31.9°C25.8°C | 25.8°C | 84 | 19.2 |
| Cité Soleil | 33.4°C25.7°C | 25.7°C | 193 | 23.4 |
| Croix-des-Bouquets | 33.3°C25.7°C | 25.7°C | 193 | 23.4 |
| Dessalines | 33.8°C24.6°C | 24.6°C | 121 | 20.1 |
| Jacmel | 30.0°C25.3°C | 25.3°C | 124 | 19.9 |
| Cap-Haïtien | 29.1°C25.8°C | 25.8°C | 82 | 19.3 |
| Léogâne | 31.4°C25.2°C | 25.2°C | 111 | 18.0 |
| Arcahaie | 31.9°C25.1°C | 25.1°C | 36 | 5.7 |
| Les Cayes | 32.2°C25.8°C | 25.8°C | 78 | 12.5 |
| Tigwav | 32.1°C26.6°C | 26.6°C | 111 | 18.0 |
| Jérémie | 30.5°C26.2°C | 26.2°C | 46 | 9.8 |
| Saint-Michel de l'Atalaye | 31.2°C22.0°C | 22.0°C | 143 | 22.5 |
| Miragoâne | 32.1°C26.5°C | 26.5°C | 116 | 19.6 |
| Gonaïves | 32.2°C25.2°C | 25.2°C | 58 | 14.1 |
A rain day is a local calendar day with at least 1 mm of precipitation.