Climate and monthly weather forecast
Baucau, East Timor

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The climate of Baucau

Baucau, located in East Timor, experiences a predominately Aw or Tropical wet and dry climate according to the Köppen climate classification. This geographical position near the equator results in a warm to hot temperature range throughout the year, with daily averages ranging from 27.5°C (81.5°F) to 30.2°C (86.4°F). Nights also remain warm but more mild with temperatures dropping to between 17.8°C (64°F) and 22°C (71.6°F).

Relative humidity shows quite a broad range across 12 months, from 55% to 87%. The highest humidity levels are seen in the beginning of the year, gradually decreasing until reaching the lowest level in September. After this point, it rises again towards the end of the year.

Rainfall shows a distinct pattern: wetter months at the start and end of the year contrast the dry conditions in the middle. Maximum values of rainfall are observed in February with 221mm (8.7"), decreasing to an absolute minimum of 5mm (0.2") by the time of September.

Sea temperatures offer a comforting consistency, with the range from 27°C (80.6°F) to 30°C (86°F). The hottest sea temperatures seen from November to February coincide with high UV index of 12, cautioning visitors and residents to take protective measures against the strong sun.

The best time to visit Baucau

Given the climate characteristics, the ideal time to visit Baucau leans towards the middle of the year, from May through to September. In these months, rainfall drops significantly to between 5mm (0.2") and 38mm (1.5"), accompanied by the lowest number of rainy days. Though relative humidity is at the yearly low, ranging from 56% to 67%, temperatures remain pleasurably warm, fluctuating from 27°C (80.6°F) to 29.4°C (84.9°F).

The worst time to visit Baucau

March and April might not be the most comfortable months for travel to Baucau, as they are marked by relatively high rainfall of 152mm (5.98") and 154mm (6.06"), respectively. Humidity remains rather high as well, lingering between 77% and 80%. While temperatures remain steady, visitors might find the combination of heat, humidity, and rainfall less than ideal.

Spring weather in Baucau

The transition from March through May sees gradually improving conditions in Baucau. Rainfall decreases from 152mm (5.98") in March to 96mm (3.78") in May. Humidity levels exhibit a similar pattern, falling from 80% to 71%. Daily temperatures remain almost constant, but nights begin to cool slightly. Sea temperature stays constant at 29°C (84.2°F), offering excellent conditions for water activities.

Summer weather in Baucau

Baucau's summer months from June through August bring the driest conditions of the year, with rainfall reaching a low of 11mm (0.43") in August. The temperatures stay between 27.8°C (82°F) and 28.2°C (82.8°F), while the nights are cooler, between 18.5°C (65.3°F) and 19.6°C (67.3°F). Humidity lowers to between 55% and 63%, while sea temperatures slightly decrease, with the range from 27°C (80.6°F) to 28°C (82.4°F).

Autumn weather in Baucau

September to November is marked by a gradual increase in rainfall, leaping from 5mm (0.2") to 76mm (2.99"). The daily temperatures experience a peak of 30.2°C (86.4°F) in November. Night temperatures also become warmer, returning to a comfortable 20°C (68°F)-plus range. However, relative humidity is still quite moderate, from 58% to 67%, offering generally comfortable conditions.

Winter weather in Baucau

The winter months of December and January are principally characterized by high rainfall, rising from 186mm (7.32") in December to 213mm (8.39") in January. Daily temperatures remain relatively constant around 28°C (82.4°F), while sea temperature is at its peak of 30°C (86°F). The elevated relative humidity of 78% to 84% reflects the increased presence of rainfall during these months. Despite these damper conditions, the area experiences long daylight hours and a fair amount of sunshine daily, averaging between 5.1h and 6.6h.

Weather in January

January weather in Baucau, East Timor bears the hallmarks of the tropical wet season. Showers are a nearly daily occurrence and they can be heavy at times contributing to the significantly high rainfall observed at 213mm (8.39"). Weather in January »

Weather in February

When February arrives in Baucau, the pronounced rainfall continues but diminishes slightly compared to the previous month. Outdoor activities could be compromised by the increased number of rain occurrences, yet the rain showers usually subside rapidly. Weather in February »

Weather in March

As Baucau transitions from February to March, the months seem almost identical in terms of rainfall patterns. Temperatures drop negligibly, yet remain in the upper range typical of Baucau's tropical climate. The amount of sunshine stays relatively the same as the previous month and showers are still frequent but show a noticeable decrease. Weather in March »

Weather in April

April in Baucau is characterized by a continuation of diminishing rainfall, with a recorded 154mm (6.06"). This is a welcome change indicating the onset of the transitional period to the dry season. The sea stays warm, encouraging watersports and beach activities. Weather in April »

Weather in May

May brings about significant changes in the weather pattern in Baucau. The onset of the dry season is unmistakable as rainfall decreases drastically. Temperatures tend to be somewhat cooler, especially during the early mornings and late evenings, yet the variation remains subtle. Weather in May »

Weather in June

June continues the drying trend with decreased rainfall compared to May. Differences between Baucau's weather in June and the months earlier in the year are stark. Incidences of rain are more sporadic, while the humidity drops noticeably providing a drier experience compared to May. Weather in June »

Weather in July

July is another distinctively dry month in Baucau, recording a mere 20mm (0.79") of rainfall. This lack of rain characterizes this period as the peak of the dry season, typified by lower relative humidity and cooler conditions. The cooler climate may be welcome by visitors who are less accustomed to Baucau's ordinarily high temperatures. Weather in July »

Weather in August

August weather in Baucau sees the continuation of the dry season's characteristically low rainfall. With the recorded precipitation being at an annual low, it's considered the driest month. Thanks to this, Baucau, East Timor in August has plenty of sunshine, clear skies, and fantastic weather for outdoor adventures. Weather in August »

Weather in September

As September sets in, the prolonged dry period gradually starts transitioning to the wet season once again. Baucau's weather in September, however, is typified by sun-drenched days marked by increased sunshine hours. The UV index is consistently high and requires careful safeguarding against excessive sun exposure. Weather in September »

Weather in October

Entering October, Baucau begins to witness a discernible increase in rainfall, a retrospective sign that the transition towards the wet season is underway. Compared to September, the town sees a rise in rainfall occurrences, although it's still far from the peak rainy season. Weather in October »

Weather in November

November's weather showcases increased variation and a definitive shift towards the wet season. Noticeable is the leap in rainfall quantity from the dry spell to the notable 76mm (2.99"). Baucau in November brings along with it ascending relative humidity levels paired with consistent UV intensity. Weather in November »

Weather in December

December in Baucau, East Timor marks the return of significant rain events. A substantial rise in rainfall to 186mm (7.32") marks a remarkable transition from the preceding month. The relative humidity escalates, restoring the typical perception of a humid tropical climate. Weather in December »
Updated: Feb 5, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How much does it rain in Baucau?

Throughout the year, in Baucau, East Timor, there are 113 rainfall days, and 1178mm (46.38") of precipitation is accumulated.

What is the month with the least sunshine in Baucau?

With an average of 5.1h of sunshine, January has the least sunshine of the year in Baucau, East Timor.

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

The months with the highest UV index in Baucau, East Timor, are January through April, August through December, with an average maximum UV index of 12.

What are the coldest months in Baucau?

February stands out as Baucau's coldest month, with temperatures ranging between an average high of 27.3°C (81.1°F) and a low of 21.5°C (70.7°F).

What is the most humid month in Baucau?

With an average relative humidity of 87%, February is the most humid month in Baucau.

What is the wettest month in Baucau?

The month with the most rainfall in Baucau, East Timor, is February, when the rain falls for 17 days and typically aggregates up to 221mm (8.7") of precipitation.

What is the month with the shortest days in Baucau?

June has the shortest days of the year, with an average of 11h and 36min of daylight.

What is the month with the lowest UV index in Baucau?

The months with the lowest UV index in Baucau are June and July, with an average maximum UV index of 10.

What months are the sea coldest in Baucau?

July through September, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Baucau.

What is the least humid month in Baucau?

With an average relative humidity of 55%, September is the least humid month in Baucau.

What is the driest month in Baucau?

September is the month with the least rainfall, with 5mm (0.2") of accumulated precipitation.

What are the months with the most sunshine in Baucau?

October and November, with an average of 10.1h of sunshine, are months with the most sunshine in Baucau, East Timor.

What part of the year is the hottest in Baucau?

November is the month when Baucau sees the average highest temperatures, with a high of 30.2°C (86.4°F) and a low of 20.9°C (69.6°F).

When is the sea warmest in Baucau?

November and December, with an average sea temperature of 30°C (86°F), are months with the warmest seawater in Baucau.

When are the longest days in Baucau?

With an average of 12h and 36min of daylight, December has the longest days of the year.

Is there Daylight Saving Time (DST) in Baucau?

Baucau does not utilize Daylight Saving Time (DST). +09 timezone is used over the entire year.

Average temperature
Baucau, East Timor

Average temperature - Baucau, East Timor

The warmest month (with the highest average high temperature) is November (30.2°C).
The month with the lowest average high temperature is February (27.3°C).

The month with the highest average low temperature is January (22°C).
The coldest month (with the lowest average low temperature) is October (17.8°C).

Average humidity
Baucau, East Timor

Average humidity - Baucau, East Timor

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is September (55%).

Average rainfall
Baucau, East Timor

Average rainfall - Baucau, East Timor

The wettest month (with the highest rainfall) is February (220.7mm).
The driest month (with the least rainfall) is September (4.8mm).

Average rainfall days
Baucau, East Timor

Average rainfall days - Baucau, East Timor

The month with the highest number of rainy days is January (20 days).
The month with the least rainy days is September (0 days).

Average sea temperature
Baucau, East Timor

Average sea temperature - Baucau, East Timor

The best months for swimming (with the highest average sea temperature) are November and December (30°C).
The coldest months (with the lowest average sea temperature) are July, August and September (27°C).

Average daylight / Average sunshine
Baucau, East Timor

Average daylight / Average sunshine - Baucau, East Timor

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).

The months with the most sunshine are October and November (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average UV index
Baucau, East Timor

Average UV index - Baucau, East Timor

The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 10).

Baucau, East Timor

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