Oranjestad
Aruba
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Oranjestad, Aruba

The outstanding perspective of the Dutch colonial architecture in Oranjestad, Aruba
The outstanding perspective of the Dutch colonial architecture in Oranjestad, Aruba
May, the last month of the spring, in Oranjestad, is another hot month, with average temperature ranging between min 26.5°C (79.7°F) and max 32°C (89.6°F).

Temperature

In Oranjestad, the average high-temperature is almost the same as in April - a still hot 32°C (89.6°F). In May, in Oranjestad, the average low-temperature is 26.5°C (79.7°F).

Humidity

In Oranjestad, the average relative humidity is 77.9%.

Rainfall

In Oranjestad, during May, the rain falls for 2.2 days and regularly aggregates up to 16.3mm (0.6") of precipitation. Throughout the year, there are 64.6 rainfall days, and 471.8mm (18.6") of precipitation is accumulated.

Sea temperature

In Oranjestad, in May, the average water temperature is 27.6°C (81.7°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.

Daylight

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

Sunshine

In May, the average sunshine is 4h.

UV index

Months with the highest UV index are February through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from the exposure to the Sun's UV radiation for the average person.
In May, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in May in Oranjestad?

The average high-temperature, in May, in Oranjestad, is 32°C (89.6°F), while the average low-temperature is 26.5°C (79.7°F).

What is the average humidity in May in Oranjestad?

In Oranjestad, the average relative humidity in May is 77.9%.

How many days does it rain in May in Oranjestad?

In Oranjestad, Aruba, in May, it is raining for 2.2 days, with typically 16.3mm (0.6") of accumulated precipitation.

What is the water temperature in May in Oranjestad?

In May, the average sea temperature in Oranjestad, Aruba, is 27.6°C (81.7°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.

What is the average length of the day in May in Oranjestad?

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

How long on average sun shines in May in Oranjestad?

In May, the average sunshine in Oranjestad, Aruba, is 4h.

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

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

What is the UV index reading in May in Oranjestad?

In Oranjestad, the average daily maximum UV index in May is 12. A UV Index of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in May - Oranjestad, Aruba
  • Average high temperature in May: 32°C

The warmest month (with the highest average high temperature) is September (32.7°C).
The month with the lowest average high temperature is January (30°C).

  • Average low temperature in May: 26.5°C

The month with the highest average low temperature is September (26.9°C).
The coldest month (with the lowest average low temperature) is January (24.5°C).

Average humidity in May - Oranjestad, Aruba
  • Average humidity in May: 77.9%

The month with the highest relative humidity is November (79.1%).
The month with the lowest relative humidity is March (75.7%).

Average rainfall in May - Oranjestad, Aruba
  • Average rainfall in May: 16.3mm

The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the lowest rainfall) is March (8.7mm).

Average rainfall days in May - Oranjestad, Aruba
  • Average rainfall days in May: 2.2 days

The month with the highest number of rainy days is December (11.4 days).
The month with the lowest number of rainy days is March (1.8 days).

Average sea temperature in May - Oranjestad, Aruba
  • Average sea temperature in May: 27.6°C

The best month for swimming (with the highest average sea temperature) is October (29.2°C).
The coldest month (with the lowest average sea temperature) is February (26.3°C).

Average daylight in May / Average sunshine in May - Oranjestad, Aruba
  • Average daylight in May: 12.7h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in May: 4h

Months with most sunshine are November and December (Average sunshine: 10h).
The month with least sunshine is April (Average sunshine: 3h).

Average UV index in May - Oranjestad, Aruba
  • 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).