Oranjestad, Aruba Climate & Monthly Averages
The climate of Oranjestad
There is not much of a seasonal calendar in Oranjestad. Its warmest and coolest months differ by 3°C, against a dataset median nearer 15°C, which leaves 88°F (31°C) in September and 83°F (28°C) in February as the two ends of the year.
Climate quick facts
- Hottest month: September - highs near 88°F (31°C)
- Coldest month: February - highs near 83°F (28°C)
- Decade extremes (2015-2024): 94°F (34°C) high · 73°F (23°C) low
- Wettest month: November (20 rainy days) · Sunniest: June (12.0 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 3°C between the average warmest and coolest month · day to night: 3°C
- Months averaging 30°C or hotter: 5
- Average humidity: 76%
Temperatures through the year
2 months average under 20 mm of rain, the longest unbroken stretch running April through May. Warmth peaks in September: highs of 88°F (31°C), lows of 81°F (27°C). February bottoms out at 83°F (28°C) in daylight, 77°F (25°C) after dark. The gridded 2015-2024 daily record for this location tops out at 94°F (34°C) and bottoms at 73°F (23°C) - decade extremes, not all-time station records. Wet days are frequent but light: around 3.8 mm on an average one, so drizzle is more characteristic than downpours.
Rain, sun and snow
Average highs hold at or above 30°C for 5 months of the year, June through October being the unbroken run.
How Oranjestad compares
- Afternoons run 3°C above the following night - a flatter daily curve than almost every other city we track.
- The city sees 11.3 hours of sunshine on an average day - sunnier than any other city in our 3496-city dataset.
- Oranjestad averages 82°F (28°C) across the year - warmer than any other city in our 3496-city dataset.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 83° | 77° | 13 | 1.4 in | 11.0 h/day | 75% |
| February | 83° | 77° | 10 | 1.1 in | 11.5 h/day | 74% |
| March | 84° | 77° | 11 | 1.1 in | 11.6 h/day | 74% |
| April | 85° | 79° | 5 | 0.6 in | 11.6 h/day | 76% |
| May | 86° | 80° | 5 | 0.8 in | 11.5 h/day | 78% |
| June | 86° | 80° | 7 | 0.9 in | 12.0 h/day | 77% |
| July | 86° | 80° | 10 | 1.3 in | 11.9 h/day | 78% |
| August | 87° | 81° | 9 | 1.2 in | 11.7 h/day | 77% |
| September | 88° | 81° | 8 | 1.6 in | 11.2 h/day | 76% |
| October | 87° | 81° | 13 | 2.5 in | 10.4 h/day | 77% |
| November | 85° | 79° | 20 | 4.5 in | 10.3 h/day | 78% |
| December | 84° | 79° | 17 | 2.1 in | 10.8 h/day | 75% |
Oranjestad month by month
Oranjestad weather in January
January brings highs around 83°F (28°C), lows near 77°F (25°C), about 13 wet days.
Oranjestad weather in February
February brings highs around 83°F (28°C), lows near 77°F (25°C), about 10 wet days - typically the coldest month of the year in Oranjestad.
Oranjestad weather in March
March brings highs around 84°F (29°C), lows near 77°F (25°C), about 11 wet days.
Oranjestad weather in April
April brings highs around 85°F (29°C), lows near 79°F (26°C), about 5 wet days - typically the driest month of the year in Oranjestad.
Oranjestad weather in May
May brings highs around 86°F (30°C), lows near 80°F (26°C), about 5 wet days.
Oranjestad weather in June
June brings highs around 86°F (30°C), lows near 80°F (27°C), about 7 wet days - typically the sunniest month of the year in Oranjestad.
Oranjestad weather in July
July brings highs around 86°F (30°C), lows near 80°F (27°C), about 10 wet days.
Oranjestad weather in August
August brings highs around 87°F (31°C), lows near 81°F (27°C), about 9 wet days.
Oranjestad weather in September
September brings highs around 88°F (31°C), lows near 81°F (27°C), about 8 wet days - typically the hottest month of the year in Oranjestad.
Oranjestad weather in October
October brings highs around 87°F (31°C), lows near 81°F (27°C), about 13 wet days.
Oranjestad weather in November
November brings highs around 85°F (29°C), lows near 79°F (26°C), about 20 wet days - typically the wettest month of the year in Oranjestad.
Oranjestad weather in December
December brings highs around 84°F (29°C), lows near 79°F (26°C), about 17 wet days.
Seasons in Oranjestad
March through May
Through March through May, Oranjestad is hot: 85°F (29°C) by day, 78°F (26°C) after dark, and expect showers on roughly 21 days across the season. Daylight is generous - around 11.6 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
June through August
Through June through August, Oranjestad sits firmly in the heat: 87°F (30°C) by day, 80°F (27°C) after dark, and expect showers on roughly 27 days across the season. Daylight is generous - around 11.9 hours of sun a day.
September through November
September through November brings hot afternoons here - highs near 87°F (30°C), nights near 80°F (27°C), and rain falls on around 41 of the 90 days. Daylight is generous - around 10.6 hours of sun a day.
December through February
December through February in Oranjestad brings hot afternoons, with daytime highs averaging 83°F (28°C) and nights around 78°F (25°C); rain falls on around 40 of the 90 days. Daylight is generous - around 11.1 hours of sun a day.
Climate questions, answered
Is Oranjestad hot in summer?
Which months are driest in Oranjestad?
How does Oranjestad compare to other cities?
Are nights cold in Oranjestad?
How much sun does Oranjestad get?
Best time to visit Oranjestad
The best time to visit Oranjestad is generally February to June, when humidity and rainfall are at their lowest, which is what actually varies here. Daytime temperatures in that window sit near 85°F (29°C), with rain on about 8 days a month. For the same question asked the other way round, see where else is warm in February.
Pack for Oranjestad with light clothing for the warm months, a compact umbrella or rain shell and moisture-wicking fabrics for the humidity. Note the gap between afternoon and night: September pairs 88°F (31°C) with 81°F (27°C).
Oranjestad temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.