Willemstad weather in January
January in Willemstad: warm, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Willemstad · #225 of 897 destinations to visit in January · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Willemstad in January
No notes yet. Open Willemstad on the map to add the first one.
Willemstad climate normals — January
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Rainfall | 31 mm / 1.2 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 11.5 h | |
| Wind | 33 km/h / 21 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Willemstad?
Loading map…
Willemstad in January — FAQ
- Is January a good time to visit Willemstad?
- January in Willemstad: warm, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Willemstad on SeasonMap's comfort score (84/100).
- What is the weather like in Willemstad in January?
- In January, Willemstad averages a daily high of 27°C and a low of 25.1°C, with about 31.2 mm of rain over roughly 12 rainy days.
- What is the air quality in Willemstad in January?
- Willemstad has a mean US Air Quality Index of about 45 in January.