July weather forecast
Oranjestad, Aruba

The outstanding perspective of the Dutch colonial architecture in Oranjestad, Aruba
The outstanding perspective of the Dutch colonial architecture in Oranjestad, Aruba

Weather in July

July, like June, is another hot summer month in Oranjestad, Aruba, with temperature in the range of an average low of 26.4°C (79.5°F) and an average high of 32°C (89.6°F).
The ideal sea water temperature of 27.6°C (81.7°F) and only 4.9 rainfall days, with 32mm (1.26") of accumulated rainfall, makes 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 tropical 32°C (89.6°F). In Oranjestad, in July, the average low-temperature is 26.4°C (79.5°F).

Heat index

The average heat index in July is computed to be an extremely hot 43°C (109.4°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, wind, pregnancy, and metabolic differences affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in July in Oranjestad is 77.8%.

Rainfall

In Oranjestad, during 4.9 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, there are 64.6 rainfall days, and 472mm (18.58") of precipitation is accumulated.

Sea temperature

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

Daylight

In July, the average length of the day is 12h and 47min.
On the first day of the month, sunrise is at 06:18 and sunset at 19:09. On the last day of July, in Oranjestad, sunrise is at 06:26 and sunset at 19:06 AST.

Sunshine

In July, the average sunshine in Oranjestad is 7h.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 12 in July interpret into the following advice:
Take all necessary precautions, as unprotected skin 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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in July in Oranjestad?

In July, in Oranjestad, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 26.4°C (79.5°F). in July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 43°C (109.4°F).

What is the average humidity in July in Oranjestad?

The average relative humidity in July in Oranjestad, Aruba, is 77.8%.

How many days does it rain in July in Oranjestad?

In Oranjestad, during July, the rain falls for 4.9 days and regularly aggregates up to 32mm (1.26") of precipitation.

How warm is the water in July in Oranjestad?

In Oranjestad, Aruba, in July, the average water temperature 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.

How many hours of daylight does Oranjestad have in July?

The average day length in July is 12h and 47min.

What time are sunrise and sunset in July in Oranjestad?

In July, on the first day of the month, sunrise is at 06:18 and sunset at 19:09. On the last day of the month, in Oranjestad, Aruba, sunrise is at 06:26 and sunset at 19:06 AST.

How many hours of sunshine does Oranjestad have in July?

In Oranjestad, Aruba, the average sunshine duration in July is 7h.

When is the highest UV index in Oranjestad?

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

How high is the UV index in July in Oranjestad?

In July, the average daily maximum UV index in Oranjestad is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average UV index

Average temperature in July
Oranjestad, Aruba

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).

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Average humidity in July
Oranjestad, Aruba

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%).

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Average rainfall in July
Oranjestad, Aruba

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 least rainfall) is March (8.7mm).

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Average rainfall days in July
Oranjestad, Aruba

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 least rainy days is March (1.8 days).

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Average sea temperature in July
Oranjestad, Aruba

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).

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Average daylight in July /
Average sunshine in July
Oranjestad, Aruba

Average daylight in July / Average sunshine in July - Oranjestad, Aruba
  • Average daylight in July: 12h and 47min

The month with the longest days is June (Average daylight: 12h and 51min).
The month with the shortest days is December (Average daylight: 11h and 25min).

  • Average sunshine in July: 7h

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

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Average UV index in July
Oranjestad, Aruba

Average UV index in July - Oranjestad, Aruba
  • Average UV index in July: 12

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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