Willemstad weather in August
August in Willemstad: hot, a little rain, with clean air — an excellent time to visit.
#9 of 12 months in Willemstad · #388 of 897 destinations to visit in August · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Willemstad in August
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Willemstad climate normals — August
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 81°F | |
| Rainfall | 45 mm / 1.8 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.5 h | |
| Wind | 34 km/h / 21 mph | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Willemstad in August — FAQ
- Is August a good time to visit Willemstad?
- August in Willemstad: hot, a little rain, with clean air — an excellent time to visit. It ranks #9 of 12 months for Willemstad on SeasonMap's comfort score (84/100).
- What is the weather like in Willemstad in August?
- In August, Willemstad averages a daily high of 29.2°C and a low of 27.1°C, with about 44.9 mm of rain over roughly 10.6 rainy days.
- What is the air quality in Willemstad in August?
- Willemstad has a mean US Air Quality Index of about 48 in August.