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Contents
- The climate of Oranjestad
- The best time to visit Oranjestad
- The worst time to visit Oranjestad
- Spring weather in Oranjestad
- Summer weather in Oranjestad
- Autumn weather in Oranjestad
- Winter weather in Oranjestad
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The outstanding perspective of the Dutch colonial architecture in Oranjestad, Aruba
The climate of Oranjestad
Oranjestad, Aruba's picturesque capital, boasts a climate classified as an Aw, indicating a tropical savanna climate according to the Köppen climate classification system. Oranjestad's location close to the equator yields warm, sunny weather all year round.
Monthly temperatures remain consistently high, with a highest average temperature slightly over 32°C (89.6°F) and the lowest average around 24.5°C (76.1°F), indicating a lack of marked seasonal temperature variation. The city experiences a relative humidity that ranges from 75.7% to 79.1%.
There's a notable amount of rain received in Oranjestad, from 9mm (0.35") - the lowest rainfall level in March to 94mm (3.7") - the highest in November. Interestingly, it is observed that the amount of rainfall days varies, from just under 2 days in the drier months up to over 11 days in December.
A unique aspect of Oranjestad's climate is its consistently high UV index, ranging from 9 to 12, the latter being indicative of a very high risk of harm from unprotected sun exposure.
Monthly temperatures remain consistently high, with a highest average temperature slightly over 32°C (89.6°F) and the lowest average around 24.5°C (76.1°F), indicating a lack of marked seasonal temperature variation. The city experiences a relative humidity that ranges from 75.7% to 79.1%.
There's a notable amount of rain received in Oranjestad, from 9mm (0.35") - the lowest rainfall level in March to 94mm (3.7") - the highest in November. Interestingly, it is observed that the amount of rainfall days varies, from just under 2 days in the drier months up to over 11 days in December.
A unique aspect of Oranjestad's climate is its consistently high UV index, ranging from 9 to 12, the latter being indicative of a very high risk of harm from unprotected sun exposure.
The best time to visit Oranjestad
With ambient temperatures, sufficient daylight hours, and moderate humidity, March through May aligns as the most favorable period to explore Oranjestad. During this period, daily high temperatures average from 30.9°C (87.6°F) to 32°C (89.6°F), creating an inviting atmosphere. Lower levels of rainfall, specifically March's record of 9mm (0.35"), contribute to the city's attraction for visitors during these months.
The worst time to visit Oranjestad
High rainfall levels and a significant number of rainfall days give November and December a somewhat challenging facet for visits. During these months, Oranjestad receives an average of 94mm (3.7") and 82mm (3.23") of rain, respectively. Coupled with over 10 rainy days, outdoor activities might be occasionally disrupted.
Spring weather in Oranjestad
In Oranjestad, spring is characterized by a pleasant atmosphere with temperatures averaging from 30.9°C (87.6°F) to 32.2°C (90°F). The city's relative humidity hovers around 76.9%. With rainfall averaging between 9mm (0.35") to 19mm (0.75"), spring generally brings a slightly drier climate than other months.
Summer weather in Oranjestad
Summer in Oranjestad features warm temperatures and a high relative humidity of around 77.8%, creating a muggy climate. With a monthly rainfall average oscillating between 19mm (0.75") and 32mm (1.26"), summer showers can be somewhat frequent, albeit not overly obstructive.
Autumn weather in Oranjestad
During autumn, the city experiences an influx in rainfall. From September to November, average rainfall increases dramatically from 46mm (1.81") to 94mm (3.7"). Despite this surge, temperatures remain consistently warm, averaging between 32.7°C (90.9°F) and 31.3°C (88.3°F).
Winter weather in Oranjestad
Winter in Oranjestad arrives with the highest rainfall and a relatively high humidity rate of around 78.75%. Yet, temperatures stay warm, ranging from 31.3°C (88.3°F) to 30.4°C (86.7°F). The winter season might carry fewer daylight hours, but still tallies up to a comfortable 11.5 hours in December.
Weather in January
Starting the year, Oranjestad, Aruba, experiences a gentle transition from the winter season. The climate remains moderate, with temperatures dipping to about 24.5°C (76.1°F) on average and cresting to around 30°C (86°F) in the day. Weather in January »
Weather in February
Heading into February, Oranjestad, Aruba, experiences slightly warmer temperatures than January. Yet, this month tends to be drier with rainfall reducing nearly by half to roughly 21mm (0.83"), on average, while precipitation days drop to five. Weather in February »
Weather in March
As Oranjestad, Aruba, ventures into March, climatic conditions continue showing signs of improvement. From less than two days of precipitation recorded and about 9mm (0.35") rainfall, it is clear March exhibits a significant reduction in rainfall from February, making it drier. Weather in March »
Weather in April
In April, Oranjestad, Aruba, begins to welcome the early signs of summer. On the ground, temperatures are warmer as compared to March, however, a mild swing in temperatures occurs from daytime to nightfall. Rainfall frequency remains low, with approximately 1.9 days of rain, delivering around 12mm (0.47") of precipitation. Weather in April »
Weather in May
Oranjestad, Aruba, experiences the full effect of summer creeping in during May. Despite the temperatures remaining relatively high, the humidity levels stay quite steady, contributing to a comforting atmosphere. The rainfall quantity slightly increases to approximately 16mm (0.63") spread over a period of 2.2 days. Weather in May »
Weather in June
June sets a robust summer rhythm in Oranjestad, Aruba, evidenced by higher temperatures and longer days than in May. Interestingly, temperatures in the sea peak to around 27.9°C (82.2°F), offering a perfect occasion for engaging in aquatic adventures. Weather in June »
Weather in July
July continues to register high temperatures in Oranjestad, Aruba, with the warmth becoming more pronounced. The rainfall pattern changes with an increase in precipitation to about 32mm (1.26") spread over 4.9 days. Although this uptick in rainfall ushers in more moisture, the increase does not drastically affect outdoor pursuits. Weather in July »
Weather in August
In August, Oranjestad, Aruba, feels the intensity of the summer peak, with hot conditions being more apparent. Precipitation increases slightly to approximately 26mm (1.02") occurring over a typical period of 4.3 days. Despite the rainfall, a significant number of sunlit hours still illuminate the day. Weather in August »
Weather in September
September brings a subtle transition towards the end of summer in Oranjestad, Aruba. Markedly, the area receives the highest rainfall of the year at about 46mm (1.81"), despite having fewer precipitation days as compared to August. Weather in September »
Weather in October
October in Oranjestad, Aruba, signals the onset of cooler climatic conditions than sustained in September. Rainfall continues to stay high, marking a peak at around 78mm (3.07") over a period of approximately 7.4 days. Despite this being the wettest period of the year, plenty of sunshine hours still persist. Weather in October »
Weather in November
Entering November, Oranjestad, Aruba, begins experiencing a steady decrease in temperature from the highs of October, setting the stage for winter. Rainfall remains high, peaking at roughly 94mm (3.7") typically spread over 10.6 days. Weather in November »
Weather in December
December marks the closure of the year, with Oranjestad, Aruba, fully ushering in the winter season. Amusingly, the temperature remains fairly warm despite the cooling attributed to this season. With rainfall hovering around 82mm (3.23") over about 11.4 days, December contributes to the high-rainfall months of the year. Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Oranjestad?
In Oranjestad, January registers the lowest temperatures, averaging 30°C (86°F) at the peak and 24.5°C (76.1°F) at the lowest.
How much does it rain in Oranjestad?
In Oranjestad, during the entire year, the rain falls for 64.6 days and collects up to 472mm (18.58") of precipitation.
What is the month with the coldest sea water in Oranjestad?
The month with the coldest seawater is February, with an average sea temperature of 26.3°C (79.3°F).
What is the month with the highest UV index in Oranjestad?
The months with the highest UV index in Oranjestad, Aruba, are February through September, with an average maximum UV index of 12.
What is the least humid month in Oranjestad?
With an average relative humidity of 75.7%, March is the least humid month.
What is the driest month in Oranjestad?
The month with the least rainfall in Oranjestad is March, when the rain falls for 1.8 days and typically collects 9mm (0.35") of precipitation.
What is the month with the least sunshine in Oranjestad?
The month with the least sunshine is April, with an average of 3h of sunshine.
When are the longest days in Oranjestad?
With an average of 12h and 54min of daylight, June has the longest days of the year in Oranjestad, Aruba.
What time of the year is the hottest in Oranjestad?
Oranjestad experiences its average highest temperatures in September, reaching a peak of 32.7°C (90.9°F) and a minimum of 26.9°C (80.4°F).
What is the month with the warmest sea water in Oranjestad?
October is the month with the warmest seawater, with an average sea temperature of 29.2°C (84.6°F).
What is the most humid month in Oranjestad?
The most humid month in Oranjestad is November, with an average relative humidity of 79.1%.
What is the wettest month in Oranjestad?
The month with the most rainfall is November, when the rain falls for 10.6 days and typically aggregates up to 94mm (3.7") of precipitation.
What are the months with the most sunshine in Oranjestad?
November and December, with an average of 10h of sunshine, are months with the most sunshine in Oranjestad.
What is the month with the shortest days in Oranjestad?
December has the shortest days of the year in Oranjestad, Aruba, with an average of 11h and 24min of daylight.
Is there Daylight Saving Time (DST) in Oranjestad?
Oranjestad, Aruba, does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.
When is the lowest UV index in Oranjestad?
The month with the lowest UV index is December, with an average maximum UV index of 9.
Average temperature
Oranjestad, Aruba
The warmest month (with the highest average high temperature) is September (32.7°C).
The month with the lowest average high temperature is January (30°C).
The month with the highest average low temperature is September (26.9°C).
The coldest month (with the lowest average low temperature) is January (24.5°C).
Average humidity
Oranjestad, Aruba
- Average humidity in January:
77.5% - Average humidity in February:
76.1% - Average humidity in March:
75.7% - Average humidity in April:
77.1% - Average humidity in May:
77.9% - Average humidity in June:
77.4%
- Average humidity in July:
77.8% - Average humidity in August:
76.2% - Average humidity in September:
76.8% - Average humidity in October:
78.6% - Average humidity in November:
79.1% - Average humidity in December:
78.4%
The month with the highest relative humidity is November (79.1%).
The month with the lowest relative humidity is March (75.7%).
Average rainfall
Oranjestad, Aruba
- Average rainfall in January:
39.3mm - Average rainfall in February:
20.6mm - Average rainfall in March:
8.7mm - Average rainfall in April:
11.6mm - Average rainfall in May:
16.3mm - Average rainfall in June:
18.7mm
- Average rainfall in July:
31.7mm - Average rainfall in August:
25.8mm - Average rainfall in September:
45.5mm - Average rainfall in October:
77.8mm - Average rainfall in November:
94mm - Average rainfall in December:
81.8mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is March (8.7mm).
Average rainfall days
Oranjestad, Aruba
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
5 days - Average rainfall days in March:
1.8 days - Average rainfall days in April:
1.9 days - Average rainfall days in May:
2.2 days - Average rainfall days in June:
2.8 days
- Average rainfall days in July:
4.9 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
3.9 days - Average rainfall days in October:
7.4 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is December (11.4 days).
The month with the least rainy days is March (1.8 days).
Average sea temperature
Oranjestad, Aruba
The best month for swimming (with the highest average sea temperature) is October (29.2°C).
The coldest month (with the lowest average sea temperature) is February (26.3°C).
Average daylight / Average sunshine
Oranjestad, Aruba
- Average daylight in January:
11h and 3min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 4min - Average daylight in June:
12h and 5min
- Average daylight in July:
12h and 5min - Average daylight in August:
12h and 3min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 4min - Average daylight in December:
11h and 2min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
The months with the most sunshine are November and December (Average sunshine: 10h).
The month with the least sunshine is April (Average sunshine: 3h).
Average UV index
Oranjestad, Aruba
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).
Oranjestad, Aruba
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