Port-au-Prince weather in August

August in Port-au-Prince: hot, soaked, with very humid — a gamble, with 23 rainy days.
#12 of 12 months in Port-au-Prince · #812 of 897 destinations to visit in August · comfort 55/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Port-au-Prince in August
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Port-au-Prince climate normals — August
| Daytime high | 34°C / 92°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Rainfall | 220 mm / 8.7 in | ⛈ soaked |
| Rainy days | 23 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 12.7 h | |
| Wind | 6 km/h / 4 mph | |
| Air quality (US AQI) | 77 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Port-au-Prince in August — FAQ
- Is August a good time to visit Port-au-Prince?
- August in Port-au-Prince: hot, soaked, with very humid — a gamble, with 23 rainy days. It ranks #12 of 12 months for Port-au-Prince on SeasonMap's comfort score (55/100).
- What is the weather like in Port-au-Prince in August?
- In August, Port-au-Prince averages a daily high of 33.6°C and a low of 26.3°C, with about 220.2 mm of rain over roughly 22.6 rainy days.
- What is the air quality in Port-au-Prince in August?
- Port-au-Prince has a mean US Air Quality Index of about 77 in August.