Aruba’s climate is tropical semi-arid, and hot year-round: daytime temperatures hover around 30-33°C (86-91°F) throughout the year. The air carries some humidity, but the island’s steady trade winds help take the edge off the heat. Here’s a closer look at average weather in Aruba in August, and what there is to do on the island this time of year.
Temperature
August is a genuinely hot month in Aruba, with summer still in full swing. The average daily temperature holds around 29°C (84°F), roughly the same as it’s been since May and where it’ll stay through October. Some parts of the island, like around Eagle Beach, run a touch cooler thanks to the coastal breeze.
This long summer stretch is also part of Aruba’s dry season. With little rain and consistently high temperatures, expect plenty of good sunbathing weather, but take sun protection seriously. A hat and sunglasses are worth wearing regularly to avoid heatstroke or eye strain.
Sea temperature
Average sea temperature also stays steady this month, around 28°C (82°F). If you want the warmest water of the year, wait until next month, when it typically climbs another degree. Always check the forecast before heading out, so a day at the beach doesn’t get interrupted by rain or high wind.
Clouds
Cloud cover gradually increases through August in Aruba, with overcast or mostly cloudy conditions becoming somewhat more common by the end of the month compared to the start.
The clearest day of the month is typically around August 1, with clear, mostly clear, or partly cloudy conditions holding roughly a third of the time.
For reference, the cloudiest day of the year is typically around October 8, and the clearest day of the year is typically around January 14.
Precipitation
A wet day is typically defined as one with at least 0.04 inches of rain. In Aruba, the chance of a wet day rises somewhat over the course of August, staying low overall but ticking up as the month goes on, consistent with the approach of the wetter months later in the year.
Rainfall
To show how rainfall shifts within the month, rather than just a single monthly total, rainfall is often tracked as a rolling total centered on each day.
In Aruba, that rolling rainfall total trends upward gradually across August, starting the month low and ending noticeably higher, reflecting the transition toward the island’s wetter season later in the year.
Sun
Day length shortens gradually through August in Aruba, dropping by about 18 minutes from the start of the month to the end.
The shortest day of the month is around August 31, with about 12 hours 22 minutes of daylight; the longest is around August 1, with about 12 hours 40 minutes.
Sunrise shifts from around 6:26 AM on August 1 to around 6:29 AM by August 31. Sunset moves from around 7:06 PM on August 1 to around 6:51 PM on August 31. Aruba does not observe Daylight Saving Time, so these times hold steady with the island’s usual yearly pattern.
Moon
Moon phases and moonrise/moonset times shift throughout August as usual. For exact dates of new and full moons and moonrise/moonset times during your trip, check a current lunar calendar closer to your travel dates.
Humidity
Humidity is usually measured by dew point rather than temperature alone, since dew point reflects how much moisture is actually in the air; a lower dew point feels drier, a higher one feels muggier. Dew point tends to shift more slowly than temperature, so a muggy day is often followed by a muggy night even once temperatures drop.
Humidity in Aruba stays fairly high and consistent through August, as is typical for the Caribbean at this time of year, though the island’s steady trade winds help it feel more comfortable than the raw humidity numbers might suggest.
Wind
Aruba is known for its steady trade winds, and this section reflects the region-wide average wind speed and direction at about 10 meters above ground. Local conditions vary with terrain, and instantaneous wind speed and direction vary more than hourly averages suggest.
Average wind speed in Aruba eases somewhat through August, generally trending down from around 20 mph to around 18 mph over the course of the month.
Things to do in Aruba in August
Around Aruba tours
Around Aruba tours are a great option if you want to get out and explore. They offer safari jeeps, private jeeps, and off-road buggies, along with ATVs, giving you some shelter from the August heat while you explore. Whichever vehicle you choose, it’s a great way to see the island in a single outing.
ABC tours Aruba
ABC Tours Aruba is another solid option, known for fun off-road jeep tours that splash through natural pools and cover rugged terrain most visitors never see. You’ll get to some of the island’s most interesting hidden corners that would otherwise be tough to reach.
Hey everyone! I’m Luciana, a travel writer from Colombia. I focus on places I know and love — mostly Colombia, Central America, and North America.
I’m all about discovering those hidden gems that don’t always make it into the guidebooks — think street food stalls, quiet little towns, underrated hiking trails, and the kind of real-life moments that truly capture what a place is all about.
Whether I’m wandering through vibrant markets in Guatemala, cruising across the deserts of the U.S., or hiking the Andes, I try to keep it real and useful — no fluff, just the good stuff.
When I’m not off exploring or writing about it, you’ll probably find me sipping too much coffee, editing photos, or dreaming up my next trip.
Let’s keep discovering and traveling smarter — one trip at a time.