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Aruba Weather - Know The Best Time To Travel


Aruba weather is quite unusual in the sense that it has the lowest rainfall out of any other Caribbean island.

This is beneficial to you since you don't want wet weather to disrupt your travel plans. However, the region has high water prices since water is quite scarce and these costs are passed onto you if you visit.

But don't let that scare you from coming to Aruba. The point is if you love beaches, then you'll love Aruba as the photo below represents what most of the western part of Aruba's coastline looks like.




Find out what the Aruba weather is normally like from June to November

June July August
September October November


Typical beach on west coast of Aruba

Is the Aruba weather always dry? When does it rain?

Here's two important tips for you to remember about Aruba's rainfall:

  1. The good thing about Aruba weather is that when it does rain, most of the rain conveniently falls late at night and is gone before sunrise. This is opposite to what happens in most areas of the Caribbean where the rain falls during the daylight hours.

  2. Aruba weather can be broken up into three 4 month seasons:

    • The rainy season (October to January). All other Caribbean islands are wettest from May-October.
    • The transition period which provides Aruba with a little rainfall (June to September)
    • The dry season (February to May)


Aruba has a semi-arid climate and normally has around 400 mm (15.7 inches) per year. But in this part of the world, there is normally large fluctuations in rainfall from one year to the next.



Check out the table below to Aruba weather conditions in the past:

Weather extremes for Queen Beatrix Airport, Aruba from 2000-2008
Year
Annual rainfall
Highest 24-hour Rainfall Total (mm)
Wettest Month
Lowest recorded overnight temperature
Highest recorded daytime temperature
2008
762.0mm

(30.0 inches)
101.6mm
(4.0 inches)
was recorded on the 15th October
(due to hurricane Omar)
October
270.2mm

(10.64 inches)
21.8°C was recorded on two occasions:
28th January at 6:56am and 21st December at 3:27am
34.9°C was recorded on 30th August at 2:22pm
2007
501.6mm

(19.74 inches)
38.8mm
(1.53 inches)
was recorded on the 5th December
December
191.4mm

(7.54 inches)
23.0°C was recorded on two occasions:
6th October and 1st December
36.1°C was recorded on 22nd August at 3:14pm
2006
611.0mm

(24.06 inches)
126.0mm (4.96 inches) was recorded on the 16th November
November
162.8mm

(6.41 inches)
22.6°C was recorded on the 9th January at 6:32am
35°C was recorded on the 10th September at 1:17pm
2005
780.6mm

(30.73 inches)
51mm (2.0 inches) was recorded on the 18th November
November
228.4mm

(9.0 inches)
21.8°C was recorded on the 19th January at 6:59am
35.6°C was recorded on the 17th September
2004
907.8mm

(35.74 inches)
196.6mm (7.74 inches) was recorded on the 10th September due to the influence of Hurricane Ivan
September
256.2mm

(10.1 inches)
22.4°C was recorded on the 31st December
35.3°C was recorded on the 1st September
2003
508.8mm

(20.0 inches)
71.2mm (2.8 inches) was recorded on the 2nd December
December
234mm

(9.21 inches)
22.6°C was recorded on the 31st December
36.5°C was recorded on the 16th September at 2:21pm.
(Highest ever recorded temperature in Aruba!)
2002
206.2mm

(8.12 inches)
32.6mm (1.28 inches) was recorded on the 24th October
October
66.3mm

(2.61 inches)
23.0°C was recorded on the 11th January at 6:02am
35.4°C was recorded on the 16th September at 2:24pm
2001
161.8mm

(6.37 inches)
23.6mm (0.93 inches) was recorded on the 21st February
February
42mm

(1.65 inches)
21.5°C was recorded on the 22nd February at 7:33am
34.8°C was recorded on the 20th August at 2:20pm
2000
555.2mm

(21.86 inches)
58.2mm
2.29 inches
was recorded on the 11th November
November
235mm

(9.25 inches)
21.5°C was recorded on the 17th February at 8:39pm
35.1°C was recorded on the 23rd August at 12:12pm



Depending on where you're staying on Aruba, the rainfall does vary. However, Aruba is very flat (the highest hill is only 188 metres (617 feet) above sea-level) and this strongly reduces both the duration and strength of the rain bearing weather systems that happen to pass over Aruba.

The mainland region of Venezuela (which is only 60km away) generally dominates Aruba weather patterns by blocking some rain bearing clouds from reaching Aruba. This of course helps to reduce Aruba's rainfall.

During the dry season, a couple of months can go by when there is little if any rain.

Sometimes the dry season is prolonged, and so Aruba misses out its so-called wet season and consequently drought conditions develop.

Most of the rain during the rainy season is associated with local shower and thunderstorm activity. As a result, there might be considerable noise at night due to thunder since the majority of thunderstorms form at night during the wetter months of the year. Since thunderstorms are very localised across Aruba, much higher rainfall totals will be recorded on some parts of the island than others during these months.




Are Aruba weather conditions conducive to the formation of hurricanes?

The dry season (February to May) is normally the time when all the tourists arrive and for this reason it is the most expensive time to travel. However, it's quite safe to travel to Aruba outside the peak tourist season (which corresponds with the hurricane season) since Aruba is located on the far southern edge of the hurricane belt. In fact, the region around Aruba has the lowest frequency of hurricanes out of any region in the tropical West Atlantic. (They occur once every 100 years.) Hurricanes typically follow a path further to the north so if I was you, I would be travelling from June to December when it's cheaper knowing that the weather will still be great.





Other Aruba weather hazards

Severe Aruba weather is very unusual. Hailstorms and tornadoes are known to hit Aruba but it is not of frequent occurrence. This normally occurs during the fall (September, October and November). The only other weather hazards you'll encounter while visiting Aruba will be sunburn, dehydration and heat exhaustion, all of these can be prevented.




So what's the temperatures like?

The temperature is continually very warm no matter the time of year you visit since it is only 1200 km (750 miles) north of the equator. Overnight temperature in winter only drop down to about 24°C (75°F) and the daytime maximum temperatures still hover around 29°C (84°F).

During the summer months (June, July and August), the minimum temperatures is around 26.5°C (80°F) and the maximum reaches around 32°C (90°F). Since the region is quite dry and there is little vegetation, Aruba can have higher temperatures than most other Caribbean islands. The temperature does rise to around 33-34°C quite often but temperatures exceeding 34°C are very rare.

Now that I've said that, I should point out that during summer, it will be extremely humid (70-80% relative humidity) during the day and near to 90% relative humidity at night. So you'll be sweating a lot and for this reason you must drink plenty of water (not alcohol). While the local Balashi beer does the job after a hot day, you still need to limit the amount you drink.



Month-by-month Aruba weather information obtained from the Queen Beatrix Airport
Month
Rainfall mm
(inches)
Air Temperature
Humidity levels
Minimum
(°C)
Maximum
(°C)
January
37.4mm

(1.47 inches)
24.2°C

(75.6°F)
30.0°C

(86.0°F)
Moderate. Comfortable
February
19.3mm

(0.76 inches)
24.4°C

(75.9°F)
30.4°C

(86.7°F)
Moderate. Comfortable
March
7.6mm

(0.3 inches)
(Driest month of the year)
24.7°C

(76.5°F)
30.8°C

(86.7°F)
Moderate. Comfortable
April
13.2mm

(0.52inches)
25.4°C

(77.7°F)
31.3°C

(88.3°F)
Becoming a little more humid.
May
13.8mm

(0.54 inches)
26.1°C

(79.0°F)
31.8°C

(89.2°F)
Becoming uncomfortable out of wind.
June
17.7mm

(0.7 inches)
26.4°C

(79.5°F)
32.0°C

(89.6°F)
Quite uncomfortable out of wind
July
30.7mm

(1.2 inches)
26.1°C

(79.0°F)
31.8°C

(89.2°F)
Quite uncomfortable out of wind.
August
25.2mm

(0.99 inches)
26.1°C

(79.0°F)
32.4°C

(90.3°F)
Quite uncomfortable when no wind
September
35.2mm

(1.39 inches
)
26.6°C

(79.9°F)
32.6°C

(90.7°F)
Very uncomfortable out of wind
October
65.0mm

(2.56 inches)
26.1°C

(79.0°F)
32.1°C

(89.8°F)
Very uncomfortable out of wind
November
78.2mm

(3.08 inches)
25.5°C

(77.9°F)
32.1°C

(89.8°F)
Becoming comfortable out of wind
December
65.7mm

(2.58 inches)
24.7°C

(76.5°F)
30.3°C

(86.5°F)
Moderate. Comfortable



Are bushfires a problem in Aruba?

Since Aruba weather is subject to high temperatures and low amounts of rainfall, the region is occasionally affected by fire. Most of these fires are short-lived and are not normally large enough to endanger the coastal towns.



Windy Aruba is ideal for windsurfers

Like all the Caribbean islands, Aruba weather is dominated by moderately strong easterly trade winds, which hit the eastern side of Aruba with great force from May to August. The strongest winds affect Aruba during June.Windy eastern coastline of Aruba


The wind and waves have transformed the eastern coast into a series of cliffs and rocky outcrops as shown in the photo.

If you look carefully at this photo you will notice the lack of trees, since the eastern side of Aruba is much windier than the western coastline.

The western side of Aruba (the most popular side) is known for its fantastic beaches.


Although the winds aren't as strong on the western side of Aruba, it still is windy. You'll find out that when you get there. Furthermore, the sea surface temperatures are consistently above 25°C (77°F) and does reach 28°C (82°F) from July to November, which is great for you if you want to pursue windsurfing or other water activities.




References

  1. Official Meteorological service of the Netherlands Antilles and Aruba

  2. Predicting rainfall in the Dutch Caribbean


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