Oranjestad, Aruba Climate & Monthly Averages
Oranjestad has a tropical wet-and-dry climate. September is the hottest month, averaging 88° by day; February is the coldest at 83°.
Rain, not cold, divides the year in 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.
The wet-and-dry rhythm at a glance
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.
Average highs hold at or above 30°C for 5 months of the year, June through October being the unbroken run.
More climate facts for Oranjestad
- 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%
Choosing the right part of the year in Oranjestad
Choose dates by rain, not just temperature
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.
What the humidity changes
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).
Warm all year: the monthly rain pattern
Each card shows the average high and low. The bar places that month between Oranjestad's coldest night and warmest afternoon.
January
- Rain
- 13 days
- Sunshine
- 11.0 h
- Daylight
- 11.5 h
February
- Rain
- 10 days
- Sunshine
- 11.5 h
- Daylight
- 11.7 h
March
- Rain
- 11 days
- Sunshine
- 11.6 h
- Daylight
- 12.0 h
April
- Rain
- 5 days
- Sunshine
- 11.6 h
- Daylight
- 12.4 h
May
- Rain
- 5 days
- Sunshine
- 11.5 h
- Daylight
- 12.7 h
June
- Rain
- 7 days
- Sunshine
- 12.0 h
- Daylight
- 12.9 h
July
- Rain
- 10 days
- Sunshine
- 11.9 h
- Daylight
- 12.8 h
August
- Rain
- 9 days
- Sunshine
- 11.7 h
- Daylight
- 12.5 h
September
- Rain
- 8 days
- Sunshine
- 11.2 h
- Daylight
- 12.2 h
October
- Rain
- 13 days
- Sunshine
- 10.4 h
- Daylight
- 11.8 h
November
- Rain
- 20 days
- Sunshine
- 10.3 h
- Daylight
- 11.5 h
December
- Rain
- 17 days
- Sunshine
- 10.8 h
- Daylight
- 11.4 h
Looking for warmer alternatives? Browse warm places by month, or compare Oranjestad's coolest part of the year: January, February, March.
Monthly temperature and rain table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 83° | 77° | 13 | 1.4 in | 11.0 h/day | 11.5 h | 42% | 75% |
| February | 83° | 77° | 10 | 1.1 in | 11.5 h/day | 11.7 h | 35% | 74% |
| March | 84° | 77° | 11 | 1.1 in | 11.6 h/day | 12.0 h | 34% | 74% |
| April | 85° | 79° | 5 | 0.6 in | 11.6 h/day | 12.4 h | 18% | 76% |
| May | 86° | 80° | 5 | 0.8 in | 11.5 h/day | 12.7 h | 17% | 78% |
| June | 86° | 80° | 7 | 0.9 in | 12.0 h/day | 12.9 h | 24% | 77% |
| July | 86° | 80° | 10 | 1.3 in | 11.9 h/day | 12.8 h | 34% | 78% |
| August | 87° | 81° | 9 | 1.2 in | 11.7 h/day | 12.5 h | 30% | 77% |
| September | 88° | 81° | 8 | 1.6 in | 11.2 h/day | 12.2 h | 28% | 76% |
| October | 87° | 81° | 13 | 2.5 in | 10.4 h/day | 11.8 h | 41% | 77% |
| November | 85° | 79° | 20 | 4.5 in | 10.3 h/day | 11.5 h | 66% | 78% |
| December | 84° | 79° | 17 | 2.1 in | 10.8 h/day | 11.4 h | 55% | 75% |
How Oranjestad compares for rain and warmth
- 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.
These comparisons use the same ten-year window for every city in the dataset.
How the calendar changes in warm-weather 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.
Questions about heat and rain in Oranjestad
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?
Oranjestad temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.