Willemstad Weather & Climate: Best Time to Visit

In Willemstad temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in September, the warmest time of the year, to a comfortable 28°C (82°F) during cooler months like February.

At night, you can expect temperatures ranging from 27°C (81°F) in September to around 25°C (77°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Willemstad receives a reasonable amount of rainfall, with an annual precipitation of 861 mm (34 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 166 mm (6.5 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month March brings less rainfall, with 30 mm (1.2 in) over 7 rainy days. For more details, please visit our Willemstad Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

While the amount of sunshine in Willemstad varies throughout the year, all seasons offer their own charm. Enjoy up to 10.1 hours of daily sun in August, and experience slightly darker atmosphere in November, with about 7.9 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Willemstad.

The city experiences its highest humidity in November, reaching 80%. In January, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year