Weather by month for central Indonesia, the best months to go and how Indonesia's regions differ, scored from 10 years of climate data.
Jun, Jul
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 26°C · 21–23 rain days
Feb, Apr, May, Aug, Sep
Still good weather, just not quite the top months.
Highs 27°C to 28°C · 12–25 rain days
Jan, Mar, Oct, Nov, Dec
No months with tough weather, but these are only average.
Highs 28°C to 30°C · 14–27 rain days
Weather by month
Average highs and lows, rain days, sunshine and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Score |
|---|---|---|---|---|
| January | 28°C / 22°C | 22 days (216 mm) | 8.9 h/day | 4.9/10 |
| February | 28°C / 22°C | 23 days (260 mm) | 8.5 h/day | 6.0/10 |
| March | 28°C / 22°C | 27 days (311 mm) | 9.1 h/day | 4.9/10 |
| April | 28°C / 22°C | 25 days (242 mm) | 9.7 h/day | 6.2/10 |
| May | 27°C / 22°C | 25 days (150 mm) | 10.0 h/day | 6.6/10 |
| Best month: June | 26°C / 21°C | 23 days (146 mm) | 9.9 h/day | 6.9/10 |
| Best month: July | 26°C / 21°C | 21 days (127 mm) | 10.3 h/day | 7.0/10 |
| August | 27°C / 21°C | 15 days (67 mm) | 11.4 h/day | 6.8/10 |
| September | 28°C / 21°C | 12 days (60 mm) | 11.5 h/day | 6.7/10 |
| October | 29°C / 22°C | 14 days (72 mm) | 11.2 h/day | 4.6/10 |
| November | 30°C / 22°C | 20 days (170 mm) | 10.3 h/day | 4.3/10 |
| December | 29°C / 22°C | 24 days (241 mm) | 8.8 h/day | 4.7/10 |
Figures for central Indonesia; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
28°C / 22°C · 22 rain days · 8.9 h sun
Expect highs of 28°C and lows of 22°C. Rain falls on about 22 days, with 216 mm for the month, and you get 8.9 hours of sun a day. The score is 4.9, an "ok" verdict. You can travel, but plan for wet days and keep a backup for rainy afternoons.
28°C / 22°C · 23 rain days · 8.5 h sun
Highs stay at 28°C, with rain on about 23 days and 260 mm in total. Sun drops to 8.5 hours a day, the lowest of the year. Even so, February scores 6, a "good" verdict, and rates better than January. Pack for rain most days.
28°C / 22°C · 27 rain days · 9.1 h sun
March is the wettest month, with 311 mm of rain on about 27 days. Highs reach 28°C and you get 9.1 hours of sun. The score falls to 4.9, only "ok". If dry weather matters to you, this is not a good time to go, because rain comes almost every day.
28°C / 22°C · 25 rain days · 9.7 h sun
Highs are 28°C, and rain falls on about 25 days, totalling 242 mm. Sun rises to 9.7 hours a day. April scores 6.2, a "good" verdict. It is still a wet month, but it rates clearly better than March.
27°C / 22°C · 25 rain days · 10.0 h sun
Highs ease to 27°C, with sun at 10 hours a day. Rain still falls on about 25 days, but the total drops to 150 mm, down from 242 mm in April. May scores 6.6, a "good" verdict. Showers are frequent but lighter.
26°C / 21°C · 23 rain days · 9.9 h sun
Highs are 26°C and lows 21°C. Rain falls on about 23 days, but only 146 mm in total, with 9.9 hours of sun. June scores 6.9, a "good" verdict, and is a solid choice if you like milder heat.
26°C / 21°C · 21 rain days · 10.3 h sun
July has the top score of the year, 7, with a "good" verdict. It is also the coolest month, with highs of 26°C and lows of 21°C. Rain falls on 21 days but totals just 127 mm, and you get 10.3 hours of sun.
27°C / 21°C · 15 rain days · 11.4 h sun
Rain drops sharply to about 15 days and 67 mm. Sun rises to 11.4 hours a day, and highs are 27°C. August scores 6.8, a "good" verdict. It is one of the driest and sunniest months to visit.
28°C / 21°C · 12 rain days · 11.5 h sun
September is the driest month, with 60 mm of rain on about 12 days. It is also the sunniest, at 11.5 hours a day, with highs of 28°C. It scores 6.7, a "good" verdict, and is one of the best months for dry weather.
29°C / 22°C · 14 rain days · 11.2 h sun
Highs climb to 29°C. Rain stays low, at 14 days and 72 mm, and sun is 11.2 hours a day. Even so, the score falls to 4.6, only "ok", so October rates well below September overall.
30°C / 22°C · 20 rain days · 10.3 h sun
November has the hottest highs, at 29.5°C, and rain rises to 20 days and 170 mm. It scores 4.3, the lowest of the year, with an "ok" verdict. It is the weakest month to go, so choose another month if you can.
29°C / 22°C · 24 rain days · 8.8 h sun
Highs are 29°C, with rain on 24 days and 241 mm in total. Sun drops to 8.8 hours a day. December scores 4.7, only "ok". It is not an ideal time to go, as rain is frequent and heavy.
By trip type
City sightseeing
June and July suit city trips best. Daytime highs are the lowest of the year, at about 26°C, so long walks feel easier. Rain still falls on 21 to 23 days a month, so carry an umbrella.
Hiking & nature
June and July are the best months for hiking. July has the lowest daytime high of the year at 25.8°C and 10.3 sun hours a day. Its rain falls to 127 mm, from 311 mm in March.
Keep planning
FAQ
Yes. July has the highest score of the year at 7 out of 10. Days reach about 25.8°C and nights drop to 21°C. Rain falls to 127 mm, down from 311 mm in March, and you get about 10.3 hours of sun a day. It still rains on about 21 days, though, so expect some showers.
September is the driest month. It gets about 60 mm of rain on 11.6 days, the lowest of the year. It also has the most sun, at 11.5 hours a day. Highs are around 27.9°C. September scores 6.7, a good month. August is close behind, with 67 mm of rain and 11.4 hours of sun.
March is only an ok month, with a score of 4.9. It is the wettest month of the year, with about 311 mm of rain on 26.5 days. Temperatures are warm, with highs near 28.2°C. If you want drier weather, go between June and September instead. Rain in those months is between 60 mm and 146 mm.
December is an ok month, with a score of 4.7, but it is wet. Rain reaches about 241 mm on 24 days. You get about 8.8 hours of sun a day, fewer than in any month except February. Highs are around 28.6°C. If your dates are flexible, June and July score higher, at 6.9 and 7.
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