Climate and monthly weather forecast
Cas Ariba, Aruba

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The climate of Cas Ariba

The predominant climate of Cas Ariba, as classified by the Köppen climate classification system, falls under the category of a tropical savanna climate. The strategic geographical positioning of Cas Ariba enables it to experience temperatures that show very little variation, making it warm all year round.

Throughout the twelve-month period, average high temperatures fluctuate modestly, from 26.4°C (79.5°F) in February to 29°C (84.2°F) in September, showing that the Cas Ariba climate is not only warm but also remarkably consistent. The difference in average low temperatures is equally slight, ranging from 25.8°C (78.4°F) in February to 28.3°C (82.9°F) in September. The city experiences a high relative humidity level year-round, with percentages ranging from 78% in November to 83% in May.

The amount of rainfall varies considerably across the months, with September reaching a peak average of 57mm (2.24") and June exhibiting the least amount of rainfall, averaging at 15mm (0.59"). The number of days with notable rainfall also varies significantly, from 10.6 days in June to 23.9 in November. An interesting point to note is that while September has the highest average rainfall, the number of rainy days in this month is not the maximum.

The best time to visit Cas Ariba

Based on the analyzed climatological data, the best time to visit Cas Ariba would be during the spring and early summer months, from April to June. During this period, the city experiences relatively lower levels of rainfall - as low as 15mm (0.59") in June and humidity levels are at an annual low. Another advantage of visiting during this period is enjoying close to 12.8 hours of daylight and up to 9.2 hours of sunshine, enhancing the experience of sight-seeing and other outdoor activities.

The worst time to visit Cas Ariba

According to the climatological data, the period from September to November might not be the best time to visit Cas Ariba. During these months, the city experiences its highest rainfall - with September and November reaching 57mm (2.24") and 89mm (3.5") respectively. Along with high rainfall, November also sees the maximum number of rainy days - 23.9 days, which might hinder outdoor activities and travel plans.

Spring weather in Cas Ariba

Springtime in Cas Ariba, ranging from March to May, brings moderately high temperatures averaging between 26.6°C (79.9°F) to 27.7°C (81.9°F). The lowest rainfall of the year can be observed in April, averaging at 16mm (0.63") across 11.5 days. The daylight period extends up to 12.4 hours to 12.7 hours, with an average of 8.4 hours to 8.6 hours of sunshine.

Summer weather in Cas Ariba

The Summer in Cas Ariba, from June to August, is characterized by high temperatures with averages from 27.8°C (82°F) to 28.3°C (82.9°F), the highest in the year. Rainfall begins to increase from June, with August seeing 24mm (0.94") of rainfall. However, daylight hours peak, providing up to 12.9 hours of daylight and a high of 9.5 hours of sunshine in August.

Autumn weather in Cas Ariba

Autumn is the wettest season in Cas Ariba, as September to November sees the highest rainfall, peaking at 89mm (3.5") in November. Temperatures remain high during Autumn, averaging between 28.3°C (82.9°F) in September to 27.6°C (81.7°F) in November. The highest numbers of rainy days fall in this season, peaking at 23.9 days in November.

Winter weather in Cas Ariba

Winter in Cas Ariba, from December to February, is mild. Temperatures range from a low of 25.8°C (78.4°F) in February to a high of 26.7°C (80.1°F) in December. Rainfall reduces substantially during this season, going as low as 17mm (0.67") in February. The average hours of daylight decrease slightly to 11.4 hours in December and 11.7 hours in February, with corresponding sunshine hours declining to 8.2 - 8.6 hours.

Weather in January

Beginning the year in Cas Ariba, Aruba, January offers warm conditions, with already high daily sunlight. Though it is the initial month, it is certainly no slouch when it comes to humidity. The record for January indicates a peak in rainfall of 27mm (1.06") for this month. Weather in January »

Weather in February

Transitioning to February, the average conditions in Cas Ariba do not exhibit drastic changes. The relatively consistent weather pattern makes it easy to predict and plan for outdoor activities. February records show one of the lowest rainfall levels throughout the year, dropping to 17mm (0.67"). Weather in February »

Weather in March

March witnesses a continuation of Cas Ariba's steady climatic trend. It's business as usual in terms of temperatures, wind speed, and even the sunlight duration. The data reveals a marginal increase in rainfall to 17mm (0.67") in March, making it on par with February's wetness. Weather in March »

Weather in April

As the year pushes into April, residents of Cas Ariba can start observing some slight fluctuations in the weather. However, adjustments in temperature and rainfall are barely discernible, thereby avoiding any drastic shifts in local routines. Weather in April »

Weather in May

May in Cas Ariba is another month of steady weather, with scarcely any deviations from the preceding months. A slight increase in temperature starts to usher in the tropical summer, exhibiting the city's comforting consistency. In terms of precipitation, May witnesses a significant spike in rainfall to 27mm (1.06"), matching the January level. Weather in May »

Weather in June

Greeted by the summer, June in Cas Ariba boasts longer sunshine hours, with moderate temperatures. The city continues to benefit from a consistent climatic pattern, nullifying the need for significant wardrobes or activity shifts. Weather in June »

Weather in July

July stands as a beacon of the sunny summer months in Cas Ariba, promoting copious amounts of sunshine. While temperatures continue to hover near their peak, they still remain hospitable for day-to-day activities. This month marks the onset of progressively lesser rainfall, with an average of 18mm (0.71"). Weather in July »

Weather in August

Continuing the consistency shown in the preceding months, August in Cas Ariba sees a nearly uniform weather pattern. The month demonstrates a peak in average low temperatures, creating a warm climate round the clock. The rainfall for this month records a moderate increase to 24mm (0.94"). Weather in August »

Weather in September

As Cas Ariba glides into September, the city starts to witness slight variations in its routinely predictable weather. The temperature range tightens, resulting in less fluctuation from day to night. This month's rainfall substantially surges to 57mm (2.24"), marking it as the start of a significantly wet period for the city. Weather in September »

Weather in October

October in Cas Ariba marks the nadir of the annual rainfall, with a whopping 110mm (4.33") precipitation, making it the rainiest month. The weather transitions into a more significant disparity between wet and dry days. Yet, the city holds onto substantial daylight hours, offering solace amidst a stormy cycle. Weather in October »

Weather in November

The second last month of the year, November, brings a moderate easing of rain in Cas Ariba, witnessed by a fall to 89mm (3.5") precipitation. As the year edges towards its end, the fluctuations in temperatures start to mellow, presenting cooler nights. Weather in November »

Weather in December

December, the final act in Cas Ariba's weather calendar, brings back echoes of January's conditions. The city finishes the year maintaining its typical patterns, characterized by heavy sunshine and moderate temperatures. Compared to November, December records a reduction in rainfall, winding down to 55mm (2.17"). Weather in December »
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Frequently asked questions

How much does it rain in Cas Ariba?

In Cas Ariba, Aruba, during the entire year, the rain falls for 184.2 days and collects up to 472mm (18.58") of precipitation.

What are the months with the highest UV index in Cas Ariba?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Cas Ariba.

What is the month with the lowest UV index in Cas Ariba?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the coldest time of year in Cas Ariba?

The coldest temperatures occur during February, when averages reach a peak of 26.4°C (79.5°F) and a low of 25.8°C (78.4°F).

What is the most humid month in Cas Ariba?

With an average relative humidity of 83%, May is the most humid month in Cas Ariba.

What is the driest month in Cas Ariba?

The month with the least rainfall in Cas Ariba, Aruba, is June, when the rain falls for 10.6 days and typically collects 15mm (0.59") of precipitation.

When are the longest days in Cas Ariba?

With an average of 12h and 54min of daylight, June has the longest days of the year in Cas Ariba, Aruba.

What month has the most sunshine in Cas Ariba?

The month with the most sunshine in Cas Ariba is August, with an average of 9.5h of sunshine.

What is the warmest month in Cas Ariba?

With average high temperatures of 29°C (84.2°F) and lows of 28.3°C (82.9°F), September is the warmest month in Cas Ariba, Aruba.

What is the wettest month in Cas Ariba?

The month with the most rainfall is October, when the rain falls for 20.9 days and typically aggregates up to 110mm (4.33") of precipitation.

What is the least humid month in Cas Ariba?

With an average relative humidity of 78%, November is the least humid month in Cas Ariba, Aruba.

What is the month with the shortest days in Cas Ariba?

December has the shortest days of the year, with an average of 11h and 24min of daylight.

Is there Daylight Saving Time (DST) in Cas Ariba?

Cas Ariba, Aruba, does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.

What is the month with the least sunshine in Cas Ariba?

With an average of 8.2h of sunshine, December has the least sunshine of the year in Cas Ariba, Aruba.

Average temperature
Cas Ariba, Aruba

Average temperature - Cas Ariba, Aruba

The warmest month (with the highest average high temperature) is September (29°C).
The month with the lowest average high temperature is February (26.4°C).

The month with the highest average low temperature is September (28.3°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).

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Average pressure
Cas Ariba, Aruba

Average pressure - Cas Ariba, Aruba

The month with the highest atmospheric pressure is January (1012.6mbar).
The month with the lowest atmospheric pressure is October (1009.6mbar).

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Average wind speed
Cas Ariba, Aruba

Average wind speed - Cas Ariba, Aruba

The windiest month (with the highest average wind speed) is June (37.5km/h).
The calmest month (with the lowest average wind speed) is November (26.1km/h).

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Average rainfall
Cas Ariba, Aruba

Average rainfall - Cas Ariba, Aruba

The wettest month (with the highest rainfall) is October (110mm).
The driest month (with the least rainfall) is June (15mm).

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Average rainfall days
Cas Ariba, Aruba

Average rainfall days - Cas Ariba, Aruba

The month with the highest number of rainy days is November (23.9 days).
The month with the least rainy days is June (10.6 days).

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Average daylight / Average sunshine
Cas Ariba, Aruba

Average daylight / Average sunshine - Cas Ariba, Aruba

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 month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).

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Average sunshine days
Cas Ariba, Aruba

Average sunshine days - Cas Ariba, Aruba

The month with the most sunshine days is August (14.8 days).
The month with the least sunshine days is November (2.1 days).

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Average UV index
Cas Ariba, Aruba

Average UV index - Cas Ariba, Aruba

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average visibility
Cas Ariba, Aruba

Average visibility - Cas Ariba, Aruba

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Cas Ariba, Aruba

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