Willemstad weather in May
May in Willemstad: warm, dry, with very humid — an excellent time to visit.
#3 of 12 months in Willemstad · #367 of 897 destinations to visit in May · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Willemstad in May
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Willemstad climate normals — May
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Rainfall | 19 mm / 0.7 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 12.7 h | |
| Wind | 37 km/h / 23 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Willemstad in May — FAQ
- Is May a good time to visit Willemstad?
- May in Willemstad: warm, dry, with very humid — an excellent time to visit. It ranks #3 of 12 months for Willemstad on SeasonMap's comfort score (85/100).
- What is the weather like in Willemstad in May?
- In May, Willemstad averages a daily high of 28.1°C and a low of 26.3°C, with about 18.6 mm of rain over roughly 4.6 rainy days.
- What is the air quality in Willemstad in May?
- Willemstad has a mean US Air Quality Index of about 55 in May.