The climate in Willemstad during July can be summarized as very hot, humid and reasonably dry.
July is in the summer in Willemstad and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (77°F) is normal.
Daytime temperature | 31°C 87.7°F |
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Nightly temperature | 25.1°C 77.1°F |
Average temperature | 28°C 82.4°F |
Daily sunshine | 9.6 hrs |
Avg rainfall | 38 mm 1.5 ins |
Rainy days | 9 days |
Sea temperature | 27.7°C 81.9°F |
Humidity | 78% |
Windspeed | 24.1kph 15 mph |
On average July is the 5th wettest month of the year in Willemstad with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Willemstad in July 2025.
Hottest month: | September | 31.9°C 89.4°F |
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Driest month: | March | 19mm 0.7ins |
Sunniest month: | February | 9.3hrs |
Coldest month: | January | 28.7°C 83.7°F |
Wettest month: | November | 106mm 4.2ins |