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

July 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
July, the same as June, in Oranjestad, Aruba, is another tropical summer month, with average temperature varying between 26.4°C (79.5°F) and 32°C (89.6°F).
The ideal sea water temperature of 27.6°C (81.7°F) and only 4.9 rainfall days, with 31.7mm (1.2") of accumulated rainfall, make July the best time for swimming and other water activities.

Temperature

In Oranjestad, the average high-temperature in July is essentially the same as in June - a still hot 32°C (89.6°F). The average low-temperature, is 26.4°C (79.5°F).

Heat index

In July, the average heat index is evaluated at an extremely hot 43.4°C (110.1°F). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, pregnancy, metabolic differences). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Oranjestad, Aruba, the average relative humidity is 77.8%.

Rainfall

In July, in Oranjestad, the rain falls for 4.9 days. Throughout July, 31.7mm (1.2") of precipitation is accumulated. Throughout the year, in Oranjestad, there are 64.6 rainfall days, and 471.8mm (18.6") of precipitation is accumulated.

Sea temperature

In Oranjestad, the average water temperature is 27.6°C (81.7°F).
Note: 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

In July, the average length of the day in Oranjestad, Aruba, is 12.8h.

Sunshine

In Oranjestad, the average sunshine is 7h.

UV index

Months with the highest UV index in Oranjestad are February through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 12 in July transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in minutes. 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. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in July in Oranjestad?

The average high-temperature, in July, in Oranjestad, Aruba, is 32°C (89.6°F), while the average low-temperature is 26.4°C (79.5°F). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that factores the actual air temperature with the relative humidity, is evaluated at 43.4°C (110.1°F).

What is the average humidity in July in Oranjestad?

In Oranjestad, the average relative humidity in July is 77.8%.

How much does it rain in Oranjestad in July?

In July, in Oranjestad, the rain falls for 4.9 days. Throughout July, 31.7mm (1.2") of precipitation is accumulated.

How warm is the water in July in Oranjestad?

In July, the average sea temperature in Oranjestad, Aruba, is 27.6°C (81.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

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

In Oranjestad, the average length of the day in July is 12.8h.

How long on average sun shines in July in Oranjestad?

The average sunshine in July in Oranjestad is 7h.

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

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

What is the UV index reading in July in Oranjestad?

In July, the average daily maximum UV index in Oranjestad, Aruba, is 12. A UV Index value of 11, and more, symbolizes an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in July - Oranjestad, Aruba
  • Average high temperature in July: 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 July: 26.4°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 July - Oranjestad, Aruba
  • Average humidity in July: 77.8%

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 July - Oranjestad, Aruba
  • Average rainfall in July: 31.7mm

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 July - Oranjestad, Aruba
  • Average rainfall days in July: 4.9 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 July - Oranjestad, Aruba
  • Average sea temperature in July: 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 July / Average sunshine in July - Oranjestad, Aruba
  • Average daylight in July: 12.8h

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 July: 7h

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 July - Oranjestad, Aruba
  • Average UV index in July: 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).