Borneo Weather in December 2026: what to expect (4.4/10)

The month in detail

What to expect in December

December falls in the wet season in Borneo. Showers are often brief but intense. With 91.0% of rainy days, always have indoor alternatives planned.

December ranks 11 out of 12 months in Borneo.

This month's conditions

What it's like in December

UV index

7 · high

sunscreen and hat advised

Feels like

oppressive heat

24°

Sea

31°C

warm, ideal

Daylight

11.7h of daylight

Air quality

good

AQI 23

Compare

Is December the right month?

The best month in Borneo is July (4.8/10), 0.4 pt higher than December.

See July →See all 12 months →

Context

Our verdict

Borneo, the world's 3rd largest island (after Greenland and New Guinea) in South-East Asia : 23 million inhabitants over 287,000 sq miles (larger than mainland France). Island shared between 3 countries : Indonesia in the south (" Kalimantan " 73% of the island), Malaysia in the north (Sabah + Sarawak 26%), Brunei 1% enclave.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

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Stay

Hotels & rentals · Borneo

Expedia →

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Activities

Tours, tickets, experiences

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Flights

Multi-airline comparator

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🎟️ Activities & tours · Borneo

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide

Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Malaysia

🗣️LanguageMalay

💶CurrencyMalaysian Ringgit (RM)

🚗DrivingLeft-hand

🛡️Safety ⓘVery safe · 1/5

💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeEquatorial tropical

📈Climate trend ⓘStable

🔥Hottest monthMay · 88°F

❄️Coolest monthJanuary · 84°F

🌧️Rainiest month ⓘNovember · 91%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep

🌧️Wet season ⓘDec → Mar

🌀Cyclones ⓘNone (equator)

Explore

Other destinations in December

If December doesn't convince you for this destination, compare with others.

Similar climate

Bandar Seri BegawanBrunei

Nearby

Kota KinabaluMalaysia158 km

PalawanPhilippines726 km

El NidoPhilippines840 km

CoronPhilippines964 km

Other top picks

🗺️ See all 754 destinations on the map

Location

Where is Borneo ?

Global position + regional geographic context.

🌍 World

🔍 Geographic context

Malaysia

Equatorial tropical climate with a 4.8 → 4.4 gap between best and worst month. 10 years of ERA5 data to choose by project.

4.97°N · 115.06°E

Questions

Frequently asked questions

What is the best time to visit Borneo?

July is the best month with 86°F highs, 77°F lows, 6.2h of sunshine and 68.0% rainy days.

How many hours of sunshine does Borneo get in July?

Borneo averages 6.2 sunshine hours per day in July. It is the sunniest month with a climate score of 4.5/10.

What is the rainiest month in Borneo?

January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.

What are the temperatures at night in Borneo in July?

In July, overnight lows reach 77°F, while afternoon highs average 86°F.

Is Borneo good in winter?

In winter (December-February), Borneo scores 4.3/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 4.5/10.

When should you avoid Borneo?

January is the most difficult month to visit Borneo, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.

Can you swim in Borneo in December?

In December, the sea averages 87°F in Borneo: warm, ideal. Ideal conditions for swimming and snorkeling.

Do you need sun protection in Borneo in December?

The average UV index reaches 7 in December in Borneo (high), with about 11.7h of daylight. Sunscreen and hat advised.