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May is a good month in Oranjestad

Climate Overview

Oranjestad, Caribbean Netherlands in May has warm conditions, with highs averaging 26.8°C (80°F). Rain falls on about 11 days this month. Winds are noticeable. Sea temperature reaches 28.5°C (83°F).

This month falls at the end of Spring.

Temperatures remain fairly steady throughout May, with daily highs around 27°C (81°F).

Rainfall is heaviest during the first third of the month, while the middle tends to be drier.

The warmest days tend to fall around the 29th, averaging 27.2°C (81°F).

Compared to April, this month is about 1°C warmer with 2 more rainy days.

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Monthly May Averages

Temperature
27°C / 26°C
Feels Like
30°C / 27°C
Rain
11 days · 47 mm
Sunshine
11.6h / day
Humidity
80% — Very Humid
Wind
29 km/h
Wind Direction
E (93°)
Gusts
39 km/h
Daylight
13 h
Cloud Cover
53%
Clear Sky Days
3.7
UV Index
8.8 — Very High
Sea Temperature
29°C
Dew Point
23°C — Muggy
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

32°C 30°C 28°C 26°C 24°C 22°C 20°C 151015202531
High Low

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 8 16 24 32 40 151015202531
Wind Speed
Sun Position
Sunrise 05:40
Daylight 13h
Sunset 18:37

What to Expect

Daytime temperatures around 27°C (80°F) are ideal for full-day outdoor exploration.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

Recent yearly records for May have stayed close to the long-run average.

Compare Months

January best
Excellent
Temp
26°C / 25°C
Feels Like
27°C / 25°C
Rain
9days (25 mm) Wet
Sun
10.4h Excellent
Humidity
77% Humid
UV
6.8 High
February best
Excellent
Temp
26°C / 24°C
Feels Like
27°C / 24°C
Rain
7days (31 mm) Good
Sun
10.7h Excellent
Humidity
77% Humid
UV
7.7 Very High
March best
Excellent
Temp
26°C / 24°C
Feels Like
28°C / 25°C
Rain
7days (21 mm) Good
Sun
11.1h Excellent
Humidity
77% Humid
UV
8.7 Very High
April
Good
Temp
26°C / 25°C
Feels Like
29°C / 26°C
Rain
9days (42 mm) Wet
Sun
11.4h Excellent
Humidity
78% Humid
UV
9 Very High
May
Good
Temp
27°C / 26°C
Feels Like
30°C / 27°C
Rain
11days (47 mm) Wet
Sun
11.6h Excellent
Humidity
80% Humid
UV
8.8 Very High
June
Good
Temp
28°C / 26°C
Feels Like
31°C / 28°C
Rain
10days (41 mm) Wet
Sun
11.8h Excellent
Humidity
80% Humid
UV
8.6 Very High
July
Fair
Temp
28°C / 26°C
Feels Like
31°C / 28°C
Rain
15days (73 mm) Wet
Sun
11.7h Excellent
Humidity
81% Humid
UV
8.7 Very High
August
Fair
Temp
28°C / 27°C
Feels Like
32°C / 29°C
Rain
15days (93 mm) Wet
Sun
11.2h Excellent
Humidity
81% Humid
UV
8.9 Very High
September
Fair
Temp
28°C / 27°C
Feels Like
33°C / 29°C
Rain
16days (128 mm) Wet
Sun
10.7h Excellent
Humidity
81% Humid
UV
8.6 Very High
October
Fair
Temp
28°C / 27°C
Feels Like
32°C / 29°C
Rain
17days (121 mm) Wet
Sun
10.2h Excellent
Humidity
80% Humid
UV
7.5 Very High
November
Good
Temp
27°C / 26°C
Feels Like
30°C / 28°C
Rain
14days (98 mm) Wet
Sun
9.7h Good
Humidity
80% Humid
UV
6.8 High
December
Good
Temp
27°C / 25°C
Feels Like
28°C / 26°C
Rain
10days (33 mm) Wet
Sun
10.1h Excellent
Humidity
77% Humid
UV
6.3 High
Month Temp Feels Like Rain Sun Humidity UV Status Details
January best 26°C / 25°C 27°C / 25°C 9days (25 mm) Wet 10.4h Excellent 77% Humid 6.8 High Excellent View Details
February best 26°C / 24°C 27°C / 24°C 7days (31 mm) Good 10.7h Excellent 77% Humid 7.7 Very High Excellent View Details
March best 26°C / 24°C 28°C / 25°C 7days (21 mm) Good 11.1h Excellent 77% Humid 8.7 Very High Excellent View Details
April 26°C / 25°C 29°C / 26°C 9days (42 mm) Wet 11.4h Excellent 78% Humid 9 Very High Good View Details
May 27°C / 26°C 30°C / 27°C 11days (47 mm) Wet 11.6h Excellent 80% Humid 8.8 Very High Good View Details
June 28°C / 26°C 31°C / 28°C 10days (41 mm) Wet 11.8h Excellent 80% Humid 8.6 Very High Good View Details
July 28°C / 26°C 31°C / 28°C 15days (73 mm) Wet 11.7h Excellent 81% Humid 8.7 Very High Fair View Details
August 28°C / 27°C 32°C / 29°C 15days (93 mm) Wet 11.2h Excellent 81% Humid 8.9 Very High Fair View Details
September 28°C / 27°C 33°C / 29°C 16days (128 mm) Wet 10.7h Excellent 81% Humid 8.6 Very High Fair View Details
October 28°C / 27°C 32°C / 29°C 17days (121 mm) Wet 10.2h Excellent 80% Humid 7.5 Very High Fair View Details
November 27°C / 26°C 30°C / 28°C 14days (98 mm) Wet 9.7h Good 80% Humid 6.8 High Good View Details
December 27°C / 25°C 28°C / 26°C 10days (33 mm) Wet 10.1h Excellent 77% Humid 6.3 High Good View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

May is typically good for visiting Oranjestad, with average highs of 27°C (80°F) and around 11 rainy days. Oranjestad, Caribbean Netherlands in May has warm conditions, with highs averaging 26.8°C (80°F). Rain falls on about 11
Oranjestad typically sees around 11 rainy days in May with 47 mm (1.9 in) of total rainfall. Pack a waterproof jacket.
Nights stay pleasantly warm in Oranjestad during May, around 26°C (78°F). Light evening wear is sufficient.
With highs of 27°C (80°F) and lows of 26°C (78°F) in May, we recommend: Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. Comfortable walking shoes are essential.
May is not the most favourable month weather-wise in Oranjestad. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Oranjestad during May is 9 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.
Oranjestad gets approximately 13 hours of daylight per day in May, with around 12 hours of sunshine.
Snow is uncommon in Oranjestad during May based on 10-year climate averages.

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