Climate and monthly weather forecast
Willemstad, Curaçao

The organized harbor city of Willemstad in Curaçao
The organized harbor city of Willemstad in Curaçao

The best time to visit Willemstad

The best months for a swim in Willemstad, Curaçao, are February through June, August and September, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

Weather in January

January, like December, in Willemstad, Curaçao, is a moderately hot winter month, with an average temperature varying between 29.7°C (85.5°F) and 24.3°C (75.7°F). With an average high-temperature of 29.7°C (85.5°F) and an average low-temperature of 24.3°C (75.7°F), January is the coldest month. The average heat index in January is evaluated at a sweltering 36.1°C (97°F). Weather in January »

Weather in February

The last month of the winter, February, is a tropical month in Willemstad, Curaçao, with an average temperature varying between 30°C (86°F) and 24.4°C (75.9°F). The ideal sea water temperature of 26°C (78.8°F) and only 5.3 rainfall days, with 25.5mm (1") of accumulated rainfall, makes February the best time for swimming and other water activities. Weather in February »

Weather in March

The first month of the spring, March, is still a tropical month in Willemstad, Curaçao, with an average temperature fluctuating between 24.8°C (76.6°F) and 30.5°C (86.9°F). The ideal sea water temperature of 26°C (78.8°F) and only 2.8 rainfall days, with 14.2mm (0.56") of accumulated rainfall, makes March the best time for swimming and other water activities. Weather in March »

Weather in April

April, like March, is another tropical spring month in Willemstad, Curaçao, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 31.1°C (88°F). The perfect water temperature of 27°C (80.6°F) with 19.6mm (0.77") of accumulated rainfall and only 2.8 rainfall days, makes April a great period for swimming and other water activities. Weather in April »

Weather in May

The last month of the spring, May, is another tropical month in Willemstad, Curaçao, with an average temperature varying between 31.6°C (88.9°F) and 26.3°C (79.3°F). An excellent water temperature of 27°C (80.6°F) and only 2 rainfall days, with 19.6mm (0.77") of accumulated rainfall, makes May a prime for swimming and other water activities. Weather in May »

Weather in June

June, the first month of the summer in Willemstad, is still a hot month, with an average temperature ranging between max 32°C (89.6°F) and min 26.4°C (79.5°F). An excellent water temperature of 28°C (82.4°F) and only 3 rainfall days, with 19.3mm (0.76") of accumulated rainfall, makes June a prime for swimming and other water activities. Weather in June »

Weather in July

July, the same as June, in Willemstad, Curaçao, is another hot summer month, with an average temperature fluctuating between 26.1°C (79°F) and 31.9°C (89.4°F). In Willemstad, the average high-temperature in July is practically the same as in June - a still tropical 31.9°C (89.4°F). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Willemstad, Curaçao, with an average temperature ranging between max 32.4°C (90.3°F) and min 26.3°C (79.3°F). The ideal sea water temperature of 28°C (82.4°F) and only 5.1 rainfall days, with 41.5mm (1.63") of accumulated rainfall, makes August the best time for swimming and other water activities. Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Willemstad, Curaçao, with an average temperature ranging between min 26.5°C (79.7°F) and max 32.6°C (90.7°F). The ideal sea water temperature of 29°C (84.2°F) and only 4.6 rainfall days, with 48.6mm (1.91") of accumulated rainfall, makes September the best time for swimming and other water activities. Weather in September »

Weather in October

October, the same as September, in Willemstad, Curaçao, is another tropical autumn month, with an average temperature varying between 31.9°C (89.4°F) and 26.2°C (79.2°F). In Willemstad, the average high-temperature in October is essentially the same as in September - a still hot 31.9°C (89.4°F). Weather in October »

Weather in November

November, the last month of the autumn in Willemstad, is another hot month, with an average temperature ranging between min 25.6°C (78.1°F) and max 31.1°C (88°F). In November, the average high-temperature is practically the same as in October - a still tropical 31.1°C (88°F). Weather in November »

Weather in December

December, the first month of the winter in Willemstad, is still a hot month, with an average temperature ranging between max 30.1°C (86.2°F) and min 24.8°C (76.6°F). In December, the average high-temperature is practically the same as in November - a still hot 30.1°C (86.2°F). Weather in December »
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FAQ

What is the coldest month in Willemstad?

January is the coldest month in Willemstad, with an average high-temperature of 29.7°C (85.5°F) and an average low-temperature of 24.3°C (75.7°F).

How many days does it rain in Willemstad?

In Willemstad, during the entire year, the rain falls for 69.4 days and collects up to 553.4mm (21.79") of precipitation.

What are the months with the coldest sea water in Willemstad?

February and March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.

What are the months with the highest UV index in Willemstad?

February through September, with an average maximum UV index of 12, are months with the highest UV index in Willemstad.

What is the least humid month in Willemstad?

March is the least humid month in Willemstad, with an average relative humidity of 76.1%.

What is the driest month in Willemstad?

March is the month with the least rainfall in Willemstad. Rain falls for 2.8 days and accumulates 14.2mm (0.56") of precipitation.

When are the longest days in Willemstad?

With an average of 12h and 50min of daylight, June has the longest days of the year.

What month has the most sunshine in Willemstad?

With an average of 9.5h of sunshine, August has the most sunshine of the year in Willemstad, Curaçao.

What is the warmest month in Willemstad?

The warmest month in Willemstad is September, with an average high-temperature of 32.6°C (90.7°F) and an average low-temperature of 26.5°C (79.7°F).

What are the months with the warmest sea water in Willemstad?

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.

What is the most humid month in Willemstad?

The most humid month in Willemstad, Curaçao, is November, with an average relative humidity of 79.6%.

What is the rainiest month in Willemstad?

The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 99.8mm (3.93") of precipitation.

What is the month with the shortest days in Willemstad?

The month with the shortest days in Willemstad is December, with an average of 11h and 26min of daylight.

Is there Daylight Saving Time (DST) in Willemstad?

Willemstad does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.

What is the month with the least sunshine in Willemstad?

December has the least sunshine of the year in Willemstad, with an average of 7.8h of sunshine.

What is the month with the lowest UV index in Willemstad?

December is the month with the lowest UV index in Willemstad, with an average maximum UV index of 9.

Average temperature
Willemstad, Curaçao

Average temperature - Willemstad, Curaçao

The warmest month (with the highest average high temperature) is September (32.6°C).
The month with the lowest average high temperature is January (29.7°C).

The month with the highest average low temperature is September (26.5°C).
The coldest month (with the lowest average low temperature) is January (24.3°C).

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Average humidity
Willemstad, Curaçao

Average humidity - Willemstad, Curaçao

The month with the highest relative humidity is November (79.6%).
The month with the lowest relative humidity is March (76.1%).

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Average rainfall
Willemstad, Curaçao

Average rainfall - Willemstad, Curaçao

The wettest month (with the highest rainfall) is December (99.8mm).
The driest month (with the least rainfall) is March (14.2mm).

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Average rainfall days
Willemstad, Curaçao

Average rainfall days - Willemstad, Curaçao

The month with the highest number of rainy days is December (11.5 days).
The month with the least rainy days is May (2 days).

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Average sea temperature
Willemstad, Curaçao

Average sea temperature - Willemstad, Curaçao

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are February and March (26°C).

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Average daylight / Average sunshine
Willemstad, Curaçao

Average daylight / Average sunshine - Willemstad, Curaçao

The month with the longest days is June (Average daylight: 12h and 50min).
The month with the shortest days is December (Average daylight: 11h and 26min).

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).

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Average UV index
Willemstad, Curaçao

Average UV index - Willemstad, Curaçao

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

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