Climate and monthly weather forecast
Kupang, Indonesia

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The climate of Kupang

Kupang is situated within the climatic region classified under the Köppen climate classification as Aw. This classification identify Kupang's general weather conditions as tropical wet and dry, also referred to as savanna climate. The geographical position near the equator ensures consistent, year-round warm temperatures and rhythmic wet and dry seasons.

Throughout the year, climate conditions fluctuate in an outlined pattern. Average monthly temperatures in Kupang range consistently from a high range of 27.9°C (82.2°F) to 30.7°C (87.3°F), to a lower range of 23.8°C (74.8°F) to 27.5°C (81.5°F). Overall, the climate remains largely humid and warm, evident with relative humidity that fluctuates around 69% to 79%.

Rainfall, as in many tropical areas, varies significantly throughout the year, with peak precipitation levels reaching 172mm (6.77") during certain months, and dipping to minimal precipitation levels to 1mm (0.04") during the arid season. These weather patterns create a dramatic shift between the wet and dry seasons. Alongside this, the amount of rainfall days in Kupang also changes conspicuously from just above 1 day to nearly 26 days throughout the year.

The sea temperature, which ranges from about 26.8°C (80.2°F) to 30.6°C (87.1°F), remains relatively warm ensuring pleasurable beach visits year-long. Cloud cover is least during the drier months, with only 8% of the sky obscured. Meanwhile, peak cloud cover is observed during the damper period, rising to a high of 45%.

The best time to visit Kupang

Given the tropical conditions that reign over Kupang, the best time to visit significantly depends on the visitor’s preferences. However, if long sunny days are of importance, then the period from July to October provides the highest average sunshine hours, roughly between 7.5 hours to 9.9 hours a day, coupled with the least amount of rainfall days between 1.2 days to 5.6 days. These also coincide with the lowest percentage of cloud cover at around 8% to 11%.

The worst time to visit Kupang

The less favorable months to plan a visit to Kupang are from November to April. This time of the year witnesses the highest rainfall between 68mm (2.68") to 172mm (6.77"), also having the most number of rainfall days ranging from 16.8 days to 25.7 days. Along with this, cloud cover significantly increases to cover between 23% to 45% of the sky obscuring sunlight and reducing visibility.

Spring weather in Kupang

Spring in Kupang, earmarked by increasing temperatures and relatively high humidity, sees temperatures fluctuating between 27.9°C (82.2°F) to 29.8°C (85.6°F), while low temperatures lie in the range of 24.1°C (75.4°F) to 26.6°C (79.9°F). Rainfall ranges from 7mm (0.28") to 125mm (4.92"), with the number of rainfall days oscillating between 3.9 days to 23.4 days.

Summer weather in Kupang

Temperatures in summer maintain a fairly steady pattern, moving within 28.3°C (82.9°F) to 30.3°C (86.5°F) and with a lows between 24.8°C (76.6°F) to 26.5°C (79.7°F). Rainfall is significantly lower during the summer season, oscillating from 1mm (0.04") to 13mm (0.51") and the number of rainfall days is also minimal, lying approximately between 1.2 days to 5.6 days.

Autumn weather in Kupang

Autumn experiences a gradual increase in rainfall and cloud cover. During this season, the variation in high temperatures lies between 28.9°C (84°F) to 30.7°C (87.3°F), whereas lows span from 24.6°C (76.3°F) to 27.5°C (81.5°F). Rainfall increases significantly, fluctuating from 5mm (0.2") to 64mm (2.52") with the number of rainfall days ranging from 2.6 days to 11.9 days.

Winter weather in Kupang

Winter season is marked by the wettest period in Kupang. High temperatures lie in the range of 29.6°C (85.3°F) to 30.3°C (86.5°F) whereas low temperatures hover around 26.8°C (80.2°F) to 27.3°C (81.1°F). This is the period with the highest precipitation where rainfall amounts range from 140mm (5.51") to 172mm (6.77") and there are between 25 days to 25.7 days of rainfall. Despite being the wettest part of the year, this season still offers an average of about 9.5 hours to 9.9 hours of sunshine every day.

Weather in January

January's typical weather conditions in Kupang, Indonesia, are marked by high relative humidity, peaking at 79%, making it one of the most humid months of the year. Consequently, residents often experience a muggy atmosphere. Additionally, regular bouts of rainfall accompany the high humidity, maintaining the environment lush and green. Weather in January »

Weather in February

Shifting from January, February exhibits slight changes in Kupang's climatic conditions. The overall humidity dips slightly and the rainfall commences its retreat, marking the slow transition towards the end of the monsoon season. Weather in February »

Weather in March

March further continues the trend of receding rainfall, as observed from February to March. The humidity levels slowly decrease, promising more pleasant days ahead. The warmth of the weather tolerably combines with lower atmospheric moisture, offering more agreeable outdoor conditions. Weather in March »

Weather in April

April arrives in Kupang with a noticeable change in weather. The rainfall frequency lessons and the humidity keeps declining, veering the weather decidedly towards the dry season. However, despite the reduction in rainfall, the temperatures maintain their steady warmth. Weather in April »

Weather in May

May heralds the official arrival of the dry season in Kupang. The rainfall drops significantly, and there is an appreciable increase in sunshine. In contrast to the high humidity of the monsoon season, May brings with it a much sought after relief. Weather in May »

Weather in June

June embodies the heart of Kupang's dry season. It carries forward May's weather pattern, with the warmer temperatures and decreased rainfall remaining consistent features. Furthermore, cloud cover drifts to its lowest, enabling clearer skies and enhanced sunlight. Weather in June »

Weather in July

As Kupang transitions into July, the weather maintains its dry and warm pattern, prevalent since May. Although July marginally escalates the rainfall, it retains the overall dryness with barely any significant shift in atmospheric conditions. Weather in July »

Weather in August

August in Kupang remains nestled within the dry spell. Minimal rainfall, coupled with warm temperatures, continues to influence the weather. August receives an added flavor of extended sunny hours and clear visibility. As Kupang enjoys the peak of its dry season, the weather largely promotes outdoor plans and tropical retreats. Weather in August »

Weather in September

Arriving in September, Kupang experiences subtle indications of a changing season. Despite the ongoing warmth, a slight increase in rainfall underscores the retreat of the dry spell. Although, compared to August, the change is mild, yet accountable. Weather in September »

Weather in October

October advances Kupang a step closer towards the much-awaited monsoon. The recurring rainfall, albeit marginal, starts to implicate the resurgence of the wet season. The return of cloudy skies and a minor decrease in temperature further testify to the slow gear shift in Kupang. Weather in October »

Weather in November

By the time November arrives, Kupang is almost on the verge of transitioning back to its rainy season. Rainfall kicks up a notch, and the humidity makes a subtle comeback. The shift in atmospheric conditions marks the receding of the dry spell. Weather in November »

Weather in December

December sees Kupang fully embracing its annual monsoon. The showers pick up momentum, and the humidity resurfaces on meter readings, reflecting a complete reversal from the summer spell. After a long wait, the onset of December unlocks the full bounty of the rainy season. Weather in December »
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Frequently asked questions

What is the most humid month in Kupang?

With an average relative humidity of 79%, January is the most humid month.

What is the wettest month in Kupang?

The month with the most rainfall is January, when the rain falls for 25.7 days and typically aggregates up to 172mm (6.77") of precipitation.

How much does it rain in Kupang?

Throughout the year, in Kupang, there are 153.3 rainfall days, and 741mm (29.17") of precipitation is accumulated.

What are the months with the highest UV index in Kupang?

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

When is the lowest UV index in Kupang?

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

What month has the most sunshine in Kupang?

With an average of 10.4h of sunshine, February has the most sunshine of the year.

What is the month with the shortest days in Kupang?

With an average of 11h and 30min of daylight, June has the shortest days of the year in Kupang.

What month is the coldest in Kupang?

July is the coldest month in Kupang, exhibiting average temperatures of 27.9°C (82.2°F) at the peak and 24.1°C (75.4°F) at the base.

What are the months with the coldest sea water in Kupang?

The months with the coldest seawater in Kupang are July and August, with an average sea temperature of 26.8°C (80.2°F).

What is the month with the least sunshine in Kupang?

July has the least sunshine of the year, with an average of 7.5h of sunshine.

What is the driest month in Kupang?

The month with the least rainfall in Kupang is August, when the rain falls for 1.2 days and typically collects 1mm (0.04") of precipitation.

What is the least humid month in Kupang?

September and October, with an average relative humidity of 69%, are the least humid months.

What time of the year is the hottest in Kupang?

Kupang, Indonesia, witnesses the warmest weather in November, with temperatures averaging a high of 30.7°C (87.3°F) and a low of 27.5°C (81.5°F).

When is the sea warmest in Kupang?

With an average sea temperature of 30.6°C (87.1°F), December is the month with the warmest seawater in Kupang, Indonesia.

When are the longest days in Kupang?

With an average of 12h and 42min of daylight, December has the longest days of the year in Kupang, Indonesia.

Is there Daylight Saving Time (DST) in Kupang?

Kupang does not utilize Daylight Saving Time (DST). WITA timezone is used throughout the entire year.

Average temperature
Kupang, Indonesia

Average temperature - Kupang, Indonesia

The warmest month (with the highest average high temperature) is November (30.7°C).
The month with the lowest average high temperature is July (27.9°C).

The month with the highest average low temperature is November (27.5°C).
The coldest month (with the lowest average low temperature) is August (23.8°C).

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Average pressure
Kupang, Indonesia

Average pressure - Kupang, Indonesia

The month with the highest atmospheric pressure is August (1012.6mbar).
The month with the lowest atmospheric pressure is January (1007.5mbar).

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Average wind speed
Kupang, Indonesia

Average wind speed - Kupang, Indonesia

The windiest month (with the highest average wind speed) is June (21.3km/h).
The calmest month (with the lowest average wind speed) is November (10.4km/h).

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Average humidity
Kupang, Indonesia

Average humidity - Kupang, Indonesia

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are September and October (69%).

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Average rainfall
Kupang, Indonesia

Average rainfall - Kupang, Indonesia

The wettest month (with the highest rainfall) is January (172mm).
The driest month (with the least rainfall) is August (1mm).

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Average rainfall days
Kupang, Indonesia

Average rainfall days - Kupang, Indonesia

The month with the highest number of rainy days is January (25.7 days).
The month with the least rainy days is August (1.2 days).

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Average sea temperature
Kupang, Indonesia

Average sea temperature - Kupang, Indonesia

The best month for swimming (with the highest average sea temperature) is December (30.6°C).
The coldest months (with the lowest average sea temperature) are July and August (26.8°C).

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Average daylight / Average sunshine
Kupang, Indonesia

Average daylight / Average sunshine - Kupang, Indonesia

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

The month with the most sunshine is February (Average sunshine: 10h and 24min).
The month with the least sunshine is July (Average sunshine: 7h and 30min).

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Average sunshine days
Kupang, Indonesia

Average sunshine days - Kupang, Indonesia

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is January (2.1 days).

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Average UV index
Kupang, Indonesia

Average UV index - Kupang, Indonesia

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
Kupang, Indonesia

Average visibility - Kupang, Indonesia

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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Kupang, Indonesia

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