Climate averages 1991–2020
Willemstad weather
in August.
A hot, moderately wet month: the 2nd warmest and the joint 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Willemstad: daytime highs average 28.8°C and nights cool to about 26.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 46 mm of rain on roughly 13 days, which makes August a moderately wet month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average August day.
The nearest other city in this atlas is Kralendijk (67 km away). In August its highs average 28.8°C, about as warm as Willemstad, with 56 mm of rain.
From August to September, average highs rise by 0.3°C to 29.1°C, and monthly rainfall rises from 46 mm to 66 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Willemstad climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C25.1°C | 25.1°C | 46 | 12.9 | 11.511 h |
| February | 26.9°C25.0°C | 25.0°C | 23 | 7.6 | 11.712 h |
| March | 27.2°C25.2°C | 25.2°C | 20 | 6.1 | 12.112 h |
| April | 27.7°C25.8°C | 25.8°C | 30 | 6.9 | 12.412 h |
| May | 28.2°C26.3°C | 26.3°C | 36 | 8.4 | 12.713 h |
| June | 28.3°C26.4°C | 26.4°C | 43 | 12.0 | 12.813 h |
| July | 28.3°C26.3°C | 26.3°C | 44 | 12.5 | 12.813 h |
| August, selected | 28.8°C26.8°C | 26.8°C | 46 | 12.5 | 12.513 h |
| September | 29.1°C27.0°C | 27.0°C | 66 | 15.0 | 12.212 h |
| October | 28.7°C26.6°C | 26.6°C | 110 | 20.9 | 11.912 h |
| November | 27.9°C26.0°C | 26.0°C | 150 | 23.0 | 11.612 h |
| December | 27.3°C25.5°C | 25.5°C | 84 | 18.1 | 11.411 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Kralendijk in AugustBonaire, Saint Eustatius and Saba · 67 kmHigh 28.8°C · Low 26.6°C · 56 mm rain
- Coro in AugustVenezuela · 117 kmHigh 35.1°C · Low 25.3°C · 32 mm rain
- Oranjestad in AugustAruba · 132 kmHigh 28.8°C · Low 26.7°C · 26 mm rain
- Punto Fijo in AugustVenezuela · 151 kmHigh 33.0°C · Low 26.2°C · 14 mm rain
- San Felipe in AugustVenezuela · 199 kmHigh 29.7°C · Low 22.0°C · 89 mm rain
- Puerto Cabello in AugustVenezuela · 207 kmHigh 29.7°C · Low 24.4°C · 91 mm rain
- Chivacoa in AugustVenezuela · 218 kmHigh 29.0°C · Low 22.2°C · 105 mm rain
- Yaritagua in AugustVenezuela · 228 kmHigh 28.0°C · Low 21.3°C · 138 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Willemstad) is explained once on the Willemstad year overview and on the Sources, method and limits page.