When is the best time to visit Borneo?

The weather in Borneo, month by month

Daytime and night-time temperatures, then rainfall. Records 2015-2024 (Kota Kinabalu). The exact figures are in the table below.
The table of records, month by month
Real 2015-2024 records at the reference point "Kota Kinabalu" (ERA5 reanalysis via Open-Meteo; sea: 2023-2024 averages (Open-Meteo Marine) on the nearest coast (Kota Kinabalu)). Published as open data.
MonthHighLowRainfallRainy daysSeaBest
January28°24°253 mm22 d29°
February29°23°102 mm16 d29°
March29°24°116 mm19 d29°✓
April30°25°154 mm21 d30°✓
May30°25°267 mm24 d31°✓
June30°25°229 mm21 d31°✓
July30°25°221 mm21 d30°✓
August30°25°231 mm21 d31°✓
September29°24°284 mm23 d30°
October29°24°353 mm27 d30°
November29°24°269 mm25 d30°
December29°24°283 mm26 d30°

The four seasons in Borneo, in figures

What the 2015-2024 records (Kota Kinabalu) show, season by season, to compare at a glance instead of reading twelve rows of a table.

Dec → Feb

28 to 29°
nights 23 to 24°
  • 21 rainy days · 213 mm
  • sea 29°
Partly fair

Mar → May

29 to 30°
nights 24 to 25°
  • 21 rainy days · 179 mm
  • sea 30°
Recommended

Jun → Aug

30°
nights 25°
  • 21 rainy days · 227 mm
  • sea 31°
Recommended

Sep → Nov

29°
nights 24°
  • 25 rainy days · 302 mm
  • sea 30°
Partly fair

Book early for March to August

The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.

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What to do in Borneo, month by month

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Hiking
Towns & culture
Events112111

EventsPesta KaamatanMayGawai DayakJuneRainforest World Music FestivalJulyGreen turtle nestingJuly to OctoberDetails ↓

favourablewith compromisesunfavourable

Beach & swimming: good conditions all twelve months.

Diving & snorkelling: good conditions all twelve months.

Grid derived from the records (temperature, rainfall, sea), not from an opinion.

What's on in Borneo, month by month?

What comes back every year, and when. Exact dates change from year to year, so check them before you book.

Travelling off-peak

Month by month, in detail

January

Not recommended
28°24° at night
  • 253 mm · 22 d
  • sea 29°

Low season, lower prices

February

Fair
29°23° at night
  • 102 mm · 16 d
  • sea 29°

Low season, lower prices

March

Recommended
29°24° at night
  • 116 mm · 19 d
  • sea 29°

Busy, without the crush

April

Recommended
30°25° at night
  • 154 mm · 21 d
  • sea 30°

Busy, without the crush

May

Recommended
30°25° at night
  • 267 mm · 24 d
  • sea 31°

Busy, without the crush

June

Recommended
30°25° at night
  • 229 mm · 21 d
  • sea 31°

Busy, without the crush

July

Recommended
30°25° at night
  • 221 mm · 21 d
  • sea 30°

High season, book early

August

Recommended
30°25° at night
  • 231 mm · 21 d
  • sea 31°

High season, book early

September

Fair
29°24° at night
  • 284 mm · 23 d
  • sea 30°

Low season, lower prices

October

Not recommended
29°24° at night
  • 353 mm · 27 d
  • sea 30°

Low season, lower prices

November

Not recommended
29°24° at night
  • 269 mm · 25 d
  • sea 30°

Low season, lower prices

December

Not recommended
29°24° at night
  • 283 mm · 26 d
  • sea 30°

Quiet, then the holidays

Read the twelve months in detail

January. 28 °C in the afternoon and 24 °C at night. A very wet month, 253 mm of rain over 22 days. The sea is at 29 °C, a proper swim. Low season: fewer people, lower prices.

February. 29 °C in the afternoon and 23 °C at night. Frequent rain: 102 mm over 16 days. The sea is at 29 °C, a proper swim. Low season: fewer people, lower prices.

March. 29 °C in the afternoon and 24 °C at night. Frequent rain: 116 mm over 19 days. The sea is at 29 °C, a proper swim. Busy season, without the crush.

April. 30 °C in the afternoon and 25 °C at night. Frequent rain: 154 mm over 21 days. The sea is at 30 °C, a proper swim. Busy season, without the crush.

May. 30 °C in the afternoon and 25 °C at night. Frequent rain: 267 mm over 24 days. The sea is at 31 °C, a proper swim. Busy season, without the crush.

June. 30 °C in the afternoon and 25 °C at night. Frequent rain: 229 mm over 21 days. The sea is at 31 °C, a proper swim. Busy season, without the crush.

July. 30 °C in the afternoon and 25 °C at night. Frequent rain: 221 mm over 21 days. The sea is at 30 °C, a proper swim. High season: book early.

August. 30 °C in the afternoon and 25 °C at night. Frequent rain: 231 mm over 21 days. The sea is at 31 °C, a proper swim. High season: book early.

September. 29 °C in the afternoon and 24 °C at night. Frequent rain: 284 mm over 23 days. The sea is at 30 °C, a proper swim. Low season: fewer people, lower prices.

October. 29 °C in the afternoon and 24 °C at night. A very wet month, 353 mm of rain over 27 days. The sea is at 30 °C, a proper swim. Low season: fewer people, lower prices.

November. 29 °C in the afternoon and 24 °C at night. A very wet month, 269 mm of rain over 25 days. The sea is at 30 °C, a proper swim. Low season: fewer people, lower prices.

December. 29 °C in the afternoon and 24 °C at night. A very wet month, 283 mm of rain over 26 days. The sea is at 30 °C, a proper swim. Quiet at the start of the month, then busier as the holidays approach.

Same season, other ideas

Their best time overlaps with this one: worth comparing before you book.

Frequently asked questions

When is the best time to visit Borneo?

March to August: over these months, recorded highs range from 29 to 30 °C, with 21 days of rain a month on average (2015-2024 records, Kota Kinabalu).

Which month should you avoid in Borneo?

October: it is the wettest of the months to avoid, with 353 mm over 27 days of rain on average, according to 2015-2024 records at the reference point (Kota Kinabalu).

What is the hottest month in Borneo?

April, with 30 °C on average in the afternoon and 25 °C at night. 2015-2024 records (Kota Kinabalu).

What is the coldest month in Borneo?

January, with 28 °C at best during the day and 24 °C at night. 2015-2024 records (Kota Kinabalu).

What is the driest month in Borneo?

February: 102 mm over 16 days of rain, against 353 mm in October, the wettest month.

When can you swim in Borneo?

The water never drops below 22 °C: from 29 to 31 °C depending on the month (warmest in May), measured in 2023-2024 on the nearest coast (Kota Kinabalu).

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Photos: Dana Englich / Pexels · TitiNicola / CC BY-SA 4.0 (Wikimedia Commons) · Dylan Chan / Pexels · Tim Morgan / Pexels · Ian Gabaraev / Pexels