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When to go · Climate guide
Indonesiawhen to go
Indonesia's national averages run from 29 °C in July to 30 °C in October, with rainfall between 212 mm in July and 350 mm in March and 4.4–5.5 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are January, February and March. Its 33 regions span 28–31 °C in annual mean temperature, so the national figure hides a good deal.
- Capital
- Jakarta
- Region
- Asia
- TZ
- Asia/Jakarta
- Area
- 1,863,909 km²
Best months to visit
When Indonesia shines
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 29.4 | 22.9 | 22.4 | 30.3 |
| February | 29.5 | 22.9 | 22.4 | 30.4 |
| March | 29.7 | 22.9 | 22.3 | 30.6 |
| April | 29.9 | 23.1 | 22.5 | 30.7 |
| May | 29.9 | 23.3 | 22.8 | 30.5 |
| June | 29.3 | 22.7 | 22.1 | 30.1 |
| July | 29.2 | 22.4 | 21.8 | 30.2 |
| August | 29.4 | 22.3 | 21.8 | 30.2 |
| September | 29.7 | 22.4 | 21.8 | 30.7 |
| October | 30.0 | 22.8 | 22.3 | 31.2 |
| November | 29.8 | 22.9 | 22.6 | 30.8 |
| December | 29.5 | 23.0 | 22.5 | 30.3 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 322 |
| February | 290 |
| March | 350 |
| April | 328 |
| May | 294 |
| June | 248 |
| July | 212 |
| August | 214 |
| September | 245 |
| October | 282 |
| November | 331 |
| December | 329 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 4.8 |
| February | 5.0 |
| March | 4.7 |
| April | 4.6 |
| May | 4.5 |
| June | 4.4 |
| July | 4.6 |
| August | 5.0 |
| September | 5.3 |
| October | 5.5 |
| November | 5.1 |
| December | 4.8 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 5.5 | 4.3 | 6.9 |
| February | 5.7 | 4.5 | 7.2 |
| March | 5.0 | 4.1 | 6.3 |
| April | 4.5 | 3.9 | 5.4 |
| May | 5.0 | 4.2 | 5.9 |
| June | 5.3 | 4.4 | 6.3 |
| July | 6.1 | 4.9 | 7.4 |
| August | 6.2 | 5.1 | 7.4 |
| September | 5.9 | 4.6 | 7.5 |
| October | 5.1 | 4.4 | 6.2 |
| November | 4.7 | 4.0 | 5.6 |
| December | 5.3 | 4.3 | 6.7 |
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Snow depth
Snow depth for Indonesia is part of the Premium map and its district-level detail. See what Premium includes.
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Sea surface temperature
Sea surface temperature for Indonesia is part of the Premium map and its district-level detail. See what Premium includes.
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Heat index
Heat index for Indonesia is part of the Premium map and its district-level detail. See what Premium includes.
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Humidity
Humidity for Indonesia is part of the Premium map and its district-level detail. See what Premium includes.
What’s open · year round
Things to do in Indonesia
Nothing on this list closes for the season in Indonesia, but every one of them has a window worth aiming for.
- LimitedKomodo National Park
Limited January–March · at its best April–June, September–November
Sources: komodoresort.com, adventure-life.com
- LimitedMount Bromo sunrise
Limited November–February · at its best June–August
Sources: tourmountbromo.com, panoramalenstrip.com
- At its best
Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.
33 regions
Indonesia, taken apart
- Aceh27–29 °C yr
- Bali27–29 °C yr
- Bangka Belitung Islands29–30 °C yr
- Banten29–30 °C yr
- Bengkulu28–29 °C yr
- Central Java29–30 °C yr
- Central Kalimantan31–32 °C yr
- Central Sulawesi28–29 °C yr
- East Java28–30 °C yr
- East Kalimantan30–31 °C yr
- East Nusa Tenggara28–30 °C yr
- Gorontalo29–30 °C yr
- Jakarta30–32 °C yr
- Jambi30–31 °C yr
- Lampung30–31 °C yr
- Maluku27–29 °C yr
- North Maluku28–29 °C yr
- North Sulawesi28–29 °C yr
- North Sumatra28–30 °C yr
- Papua28–29 °C yr
- Riau30–32 °C yr
- Riau Islands28–30 °C yr
- South Kalimantan30–31 °C yr
- South Sulawesi28–30 °C yr
- South Sumatra30–32 °C yr
- Southeast Sulawesi28–31 °C yr
- West Java28–29 °C yr
- West Kalimantan30–31 °C yr
- West Nusa Tenggara28–30 °C yr
- West Papua28–29 °C yr
- West Sulawesi27–28 °C yr
- West Sumatra28–29 °C yr
- Yogyakarta29–30 °C yr
Safety · 6 governments
What the governments say about Indonesia
Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 6 governments · Advisory last changed
See breakdown by countryHide breakdown
CA
Level 2Exercise increased caution
Exercise increased caution
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 2Exercise increased caution
Exercise increased caution
UK
Level 1Exercise normal precautions
Exercise normal precautions
US
Level 2Exercise increased caution
Exercise increased caution
Parts of Indonesia carry a higher advisory — up to level 3, "Reconsider travel". The governments concerned name a region rather than a boundary, so the carve-out is not drawn on the map and is not reflected in the combined level above. Follow the source links for where it applies.
Month by month
A year in Indonesia, in order
- JanJanuary29.4°C · 322 mm · 4.8 hr/day
Around 29 °C with 322 mm of rain and 4.8 hours of sun a day.
Around 29 °C with 322 mm of rain and 4.8 hours of sun a day.
- FebFebruary29.5°C · 290 mm · 5.0 hr/day
Around 30 °C with 290 mm of rain and 5.0 hours of sun a day.
Around 30 °C with 290 mm of rain and 5.0 hours of sun a day.
- MarMarch29.7°C · 350 mm · 4.7 hr/day
Around 30 °C with 350 mm of rain and 4.7 hours of sun a day.
Around 30 °C with 350 mm of rain and 4.7 hours of sun a day.
- AprApril29.9°C · 328 mm · 4.6 hr/day
Around 30 °C with 328 mm of rain and 4.6 hours of sun a day.
Around 30 °C with 328 mm of rain and 4.6 hours of sun a day.
- MayMay29.9°C · 294 mm · 4.5 hr/day
Around 30 °C with 294 mm of rain and 4.5 hours of sun a day.
Around 30 °C with 294 mm of rain and 4.5 hours of sun a day.
- JunJune29.3°C · 248 mm · 4.4 hr/day
Around 29 °C with 248 mm of rain and 4.4 hours of sun a day.
Around 29 °C with 248 mm of rain and 4.4 hours of sun a day.
- JulJuly29.2°C · 212 mm · 4.6 hr/day
Around 29 °C with 212 mm of rain and 4.6 hours of sun a day.
Around 29 °C with 212 mm of rain and 4.6 hours of sun a day.
- AugAugust29.4°C · 214 mm · 5.0 hr/day
Around 29 °C with 214 mm of rain and 5.0 hours of sun a day.
Around 29 °C with 214 mm of rain and 5.0 hours of sun a day.
- SepSeptember29.7°C · 245 mm · 5.3 hr/day
Around 30 °C with 245 mm of rain and 5.3 hours of sun a day.
Around 30 °C with 245 mm of rain and 5.3 hours of sun a day.
- OctOctober30.0°C · 282 mm · 5.5 hr/day
Around 30 °C with 282 mm of rain and 5.5 hours of sun a day.
Around 30 °C with 282 mm of rain and 5.5 hours of sun a day.
- NovNovember29.8°C · 331 mm · 5.1 hr/day
Around 30 °C with 331 mm of rain and 5.1 hours of sun a day.
Around 30 °C with 331 mm of rain and 5.1 hours of sun a day.
- DecDecember29.5°C · 329 mm · 4.8 hr/day
Around 30 °C with 329 mm of rain and 4.8 hours of sun a day.
Around 30 °C with 329 mm of rain and 4.8 hours of sun a day.
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