Oranjestad weather in May

In May, Oranjestad sees average daytime highs of 27°C and overnight lows near 26°C, with 28 mm of rain across 5.2 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is Oranjestad's 12th-clearest and 6th-windiest month. For the whole year in context, see Oranjestad's year-round climate.

Daytime high
27°
7th warmest
Overnight low
26°
7th coldest
Rainfall
28 mm
5.2 wet days
Daylight
12 h 36 min
6:19 AM – 6:54 PM
Cloud cover
68%
12th clearest
Wind
33 km/h
6th windiest
Solar energy
6.46 kWh/m²
Travel score
7.0
out of 10

Oranjestad is capital city of Aruba.

Density
1,304/km²
people per km²
Founded
1796

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Oranjestad reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, May runs on par with April and on par with June.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202727
212727
222727
232727
242727
252727
262727
272727
282727
292727
302727
312727

How May really feels in Oranjestad

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Oranjestad weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°311011.37.2
Feb26° / 25°155.311.67.8
Mar26° / 25°113.611.97.9
Apr27° / 26°194.812.37.2
May27° / 26°285.212.67.0
Jun27° / 27°205.312.77.0
Jul27° / 27°226.112.77.1
Aug28° / 27°267.512.46.7
Sep28° / 27°6511.712.15.5
Oct28° / 27°11017.811.74.9
Nov28° / 26°13519.711.45.0
Dec27° / 26°6414.511.36.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33268
43268
53169
63169
73268
83268
93268
103169
113268
123367
133367
143367
153367
163367
173466
183565
193565
203565
213664
223763
233763
243862
253961
264060
274357
284357
294456
304654
314654

Chance of precipitation in May

Any precipitation

Oranjestad gets around 28 mm of rain over 5.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 17% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
115
216
316
416
516
617
717
817
917
1017
1117
1217
1317
1416
1516
1616
1715
1815
1915
2015
2116
2216
2316
2416
2516
2616
2716
2816
2916
3016
3116

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the miserable band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15644
25545
35446
45248
55149
64951
74852
84654
94456
104357
114159
123961
133862
143664
153565
163367
173268
183169
193070
202971
212872
222872
232773
242674
252674
262575
272575
282575
292476
302476
312476

Wind in May

Winds average 33 km/h in May.

Across May, daily wind ranges from about 33 km/h on the calmest days to 34 km/h at its breeziest. It stays fairly steady from day to day.

010203040151015202531
Wind speed (km/h)Feels
133windy
233windy
333windy
433windy
533windy
633windy
733windy
833windy
933windy
1033windy
1133windy
1233windy
1333windy
1433windy
1533windy
1633windy
1733windy
1833windy
1933windy
2033windy
2133windy
2233windy
2333windy
2433windy
2533windy
2634windy
2734windy
2834windy
2934windy
3034windy
3134windy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:24 AM to 6:17 AM, and sunset from 6:50 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:246:50
212.46:246:51
312.56:236:51
412.56:236:51
512.56:226:51
612.56:226:51
712.56:226:52
812.56:216:52
912.56:216:52
1012.56:216:52
1112.56:206:52
1212.56:206:53
1312.66:206:53
1412.66:206:53
1512.66:196:53
1612.66:196:54
1712.66:196:54
1812.66:196:54
1912.66:186:54
2012.66:186:55
2112.66:186:55
2212.66:186:55
2312.66:186:55
2412.66:186:56
2512.66:186:56
2612.66:176:56
2712.76:176:57
2812.76:176:57
2912.76:176:57
3012.76:176:57
3112.76:176:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.46 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.73 kWh/m² in August across the year — May's 6.46 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in May

Hazard calendar for Oranjestad

In seasonPeak

None of Oranjestad's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Oranjestad sits in the Atlantic hurricane belt; the season peaks August–October.

Oranjestad's rainy season runs September–December, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Oranjestad?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.0
Sightseeing
6th-best month of the year
7.2
Beach & pool
6th-best month of the year

May is one of the better times to visit Oranjestad for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Oranjestad in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Oranjestad sees daytime highs around 27°C and nights near 26°C. Pack light clothes, sun protection and a windbreaker. About 5 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Oranjestad in May

The nearest coast averages about 27°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in September at about 29°C and coldest in February near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun27Warm
Jul27Warm
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Oranjestad in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oranjestad peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 24UV 13Dec 13UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Oranjestad in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Oranjestad is worst in June — around 34 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1734 µg/m³Dec 1911 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar15Moderate
Apr20Moderate
May28Moderate
Jun34Moderate
Jul29Moderate
Aug22Moderate
Sep16Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Oranjestad?

Oranjestad sits at 12.5°N, 70.0°W, 5 m above sea level, in Aruba. The nearest listed city is Tanki Leendert, 2.0 km away.

Tanki LeendertNoordPalm BeachSanta CruzSavaneta

Topography around Oranjestad

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oranjestad.

Within 3 km, the terrain around Oranjestad has only modest variations in elevation — a maximum elevation change of 50 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 184 m; within 80 km, large variations in elevation — a maximum elevation change of 731 m.

The land around Oranjestad is covered by artificial surfaces (58%) and water (22%) within 3 km, water (80%) within 16 km, and water (84%) within 80 km.

3 km
50 m
16 km
184 m
80 km
731 m
treesshrubsgrasslandartificial surfacesbare terrainwater
May weather nearby: Tanki Leendert 2.0 km · Noord 5.0 km · Palm Beach 5.0 km · Santa Cruz 5.0 km · Savaneta 13 km · Pueblo Nuevo 65 km · Santa Cruz de los Taques 82 km · Judibana 87 km

Aruba travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / F
127 V · 60 Hz
Prices
≈ 75% of US
price level, 2024
GDP per capita
$38,591
2024
Homicide rate
1.9
per 100k, 2014
Income group
High
World Bank
Religion
Roman Catholic 75%other 12%none 6%Protestant 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Oranjestad (12.524°, -70.027°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).