Our verdict
The best time to visit Willemstad is May-June
In summer, the average maximum temperature is around 22℃ (72℉), but temperatures can sometimes reach as high as 25℃ (77℉) on the hottest days of the year. The average low temperatures in winter float around 1℃ (33℉), while the coldest it gets down to is about -4℃ (26℉).
If you want to get the most out of your time visiting Willemstad, or you’re just afraid of the dark, the days in July are usually the longest between sunrise and sunset. To stay dry, avoid travelling to Willemstad in March – It’s the wettest month of the year.
Find out everything you need to know about when to visit Willemstad below, including detailed information about the weather and tools to help you find the best prices and book your trip.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Willemstad seasons
Before you continue, it’s important to know when the seasons are in Willemstad as they might be different to yours depending on where in the world you’re travelling from. Willemstad is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Willemstad
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Willemstad for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Willemstad climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Willemstad for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Willemstad in January
- Average temperature: 2℃ (36℉)
- Average high temperature: 4℃ (40℉)
- Average low temperature: 1℃ (33℉)
- Average humidity: 88%
- Average sunny days: 14 days
- Average rainfall: 40mm (2") over 14 days
- Average snow days: 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Willemstad in February
- Average temperature: 3℃ (37℉)
- Average high temperature: 5℃ (42℉)
- Average low temperature: 1℃ (33℉)
- Average humidity: 85%
- Average sunny days: 11 days
- Average rainfall: 42mm (2") over 13 days
- Average snow days: 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Willemstad in March
- Average temperature: 6℃ (42℉)
- Average high temperature: 9℃ (49℉)
- Average low temperature: 3℃ (37℉)
- Average humidity: 80%
- Average sunny days: 14 days
- Average rainfall: 43mm (2") over 15 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Willemstad in April
- Average temperature: 10℃ (50℉)
- Average high temperature: 14℃ (58℉)
- Average low temperature: 5℃ (42℉)
- Average humidity: 76%
- Average sunny days: 14 days
- Average rainfall: 25mm (1") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in April, make sure you pack a warm jacket or coat.
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Willemstad in May
- Average temperature: 13℃ (55℉)
- Average high temperature: 17℃ (62℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 77%
- Average sunny days: 13 days
- Average rainfall: 35mm (1") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in May, make sure you pack a warm jacket or coat.
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Willemstad in June
- Average temperature: 16℃ (60℉)
- Average high temperature: 20℃ (67℉)
- Average low temperature: 11℃ (51℉)
- Average humidity: 81%
- Average sunny days: 12 days
- Average rainfall: 40mm (2") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in June, make sure you pack a warm jacket or coat.
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Willemstad in July
- Average temperature: 18℃ (64℉)
- Average high temperature: 22℃ (72℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 80%
- Average sunny days: 11 days
- Average rainfall: 43mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in July, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Willemstad in August
- Average temperature: 17℃ (63℉)
- Average high temperature: 22℃ (71℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 79%
- Average sunny days: 12 days
- Average rainfall: 35mm (1") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in August, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Willemstad in September
- Average temperature: 14℃ (58℉)
- Average high temperature: 18℃ (65℉)
- Average low temperature: 11℃ (51℉)
- Average humidity: 83%
- Average sunny days: 17 days
- Average rainfall: 27mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in September, make sure you pack a warm jacket or coat.
Willemstad in October
- Average temperature: 11℃ (51℉)
- Average high temperature: 14℃ (57℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 86%
- Average sunny days: 17 days
- Average rainfall: 31mm (1") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in October, make sure you pack a warm jacket or coat.
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Willemstad in November
- Average temperature: 7℃ (44℉)
- Average high temperature: 9℃ (48℉)
- Average low temperature: 4℃ (40℉)
- Average humidity: 88%
- Average sunny days: 14 days
- Average rainfall: 32mm (1") over 13 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Willemstad in December
- Average temperature: 4℃ (39℉)
- Average high temperature: 6℃ (42℉)
- Average low temperature: 2℃ (36℉)
- Average humidity: 89%
- Average sunny days: 11 days
- Average rainfall: 42mm (2") over 17 days
- Average snow days: 3 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Willemstad in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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