Willemstad
Curaçao
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Willemstad, Curaçao

The organized harbor city of Willemstad in Curaçao, with two small ships at the docks
The organized harbor city of Willemstad in Curaçao, with two small ships at the docks
The last month of the spring, May, is another tropical month in Willemstad, Curaçao, with average temperature ranging between max 31.6°C (88.9°F) and min 26.3°C (79.3°F).

Temperature

In May, the average high-temperature is practically the same as in April - a still hot 31.6°C (88.9°F). In May, the average low-temperature is 26.3°C (79.3°F).

Humidity

In Willemstad, the average relative humidity is 77.2%.

Rainfall

In May, the rain falls for 2 days. Throughout May, 19.6mm (0.8") of precipitation is accumulated. In Willemstad, Curaçao, during the entire year, the rain falls for 69.4 days and collects up to 553.4mm (21.8") of precipitation.

Sea temperature

In May, the average sea temperature in Willemstad is 27°C (80.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in May is 12.7h.

Sunshine

The average sunshine in May is 8.3h.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index in Willemstad. A UV Index reading of 11, and higher, represents an extreme threat to health from the exposure to the Sun's UV rays for ordinary individuals.
The daily maximum UV index of 12 in May interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in May in Willemstad?

In May, in Willemstad, Curaçao, the average high-temperature is 31.6°C (88.9°F), and the average low-temperature is 26.3°C (79.3°F).

What is the average humidity in May in Willemstad?

In Willemstad, the average relative humidity in May is 77.2%.

How many days does it rain in May in Willemstad?

In May, in Willemstad, the rain falls for 2 days. Throughout May, 19.6mm (0.8") of precipitation is accumulated.

How warm is the water in May in Willemstad?

In May, the average sea temperature in Willemstad, Curaçao, is 27°C (80.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Willemstad have in May?

In Willemstad, the average length of the day in May is 12.7h.

How long on average sun shines in May in Willemstad?

In May, the average sunshine is 8.3h.

When is the highest UV index in Willemstad?

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

How high is the UV index in May in Willemstad?

In May, the average daily maximum UV index is 12. A UV Index of 11, and more, symbolizes an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in May - Willemstad, Curaçao
  • Average high temperature in May: 31.6°C

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).

  • Average low temperature in May: 26.3°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).

Average humidity in May - Willemstad, Curaçao
  • Average humidity in May: 77.2%

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

Average rainfall in May - Willemstad, Curaçao
  • Average rainfall in May: 19.6mm

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

Average rainfall days in May - Willemstad, Curaçao
  • Average rainfall days in May: 2 days

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

Average sea temperature in May - Willemstad, Curaçao
  • Average sea temperature in May: 27°C

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

Average daylight in May / Average sunshine in May - Willemstad, Curaçao
  • Average daylight in May: 12.7h

Months with the longest days are June and July (Average daylight: 12.8h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in May: 8.3h

The month with most sunshine is August (Average sunshine: 9.5h).
The month with least sunshine is December (Average sunshine: 7.8h).

Average UV index in May - Willemstad, Curaçao
  • Average UV index in May: 12

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).