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 around 28°C with close to 22 rain days and 216mm of rain. It's one of the wetter months, with frequent showers breaking up the sunshine (8.9 hours a day). The score sits at 4.9, an ok time to visit. New Year's Day falls on 1 January.
28°C / 22°C · 23 rain days · 8.5 h sun
Highs stay near 28°C, but rain picks up to about 23 days and 260mm, the wettest month of the year by rainfall. Sun hours are modest at 8.5. Despite the rain, the score rises to 6, a good time overall.
28°C / 22°C · 27 rain days · 9.1 h sun
Temperatures reach 28.2°C, but March brings the most rain days of the year at 26.5, with 311mm falling. This is a tough month for outdoor plans because of the frequent downpours. The score drops to 4.9, an ok verdict.
28°C / 22°C · 25 rain days · 9.7 h sun
Highs ease slightly to 27.7°C while rain days fall to 24.5 and rainfall drops to 242mm. Sun hours climb to 9.7, hinting at drier spells between showers. The score improves to 6.2, a good time to go. Good Friday (3 April) and Easter Sunday (5 April) fall this month.
27°C / 22°C · 25 rain days · 10.0 h sun
The weather starts to turn drier: highs of 26.9°C, 24.5 rain days but only 150mm of rain. Sun hours reach 10, and the score climbs to 6.6, a good time to visit. Labour Day (1 May) and Ascension Day (14 May) both fall in May.
26°C / 21°C · 23 rain days · 9.9 h sun
Rainfall continues to fall away, with 146mm over 23.2 days and highs of 26.1°C. Sunshine holds steady at 9.9 hours. The score reaches 6.9, among the better months. Pancasila Day is marked on 1 June.
26°C / 21°C · 21 rain days · 10.3 h sun
July is drier still, with 127mm of rain over 21 days and highs of 25.8°C. Sun hours rise to 10.3. This month scores highest at 7, a good time to travel.
27°C / 21°C · 15 rain days · 11.4 h sun
August brings the driest stretch of the year: just 14.9 rain days and 67mm of rain, with highs of 26.5°C and 11.4 hours of sunshine. The score stays strong at 6.8. Independence Day on 17 August is a major national holiday.
28°C / 21°C · 12 rain days · 11.5 h sun
Rain days drop further to 11.6 and rainfall to just 60mm, the lowest of the year. Highs reach 27.9°C with 11.5 hours of sunshine, the sunniest month on record. The score holds at 6.7, a good time to visit.
29°C / 22°C · 14 rain days · 11.2 h sun
Highs peak at 29.3°C, the hottest month, but rain starts returning with 14 rain days and 72mm. Sun hours ease slightly to 11.2. The score falls to 4.6, an ok time as the wetter season begins to build.
30°C / 22°C · 20 rain days · 10.3 h sun
Rain days jump to 20 and rainfall to 170mm as the wet season takes hold, though highs stay warm at 29.5°C. Sun hours drop to 10.3. The score is the lowest of the year at 4.3, an ok verdict, reflecting the shift to heavier rain.
29°C / 22°C · 24 rain days · 8.8 h sun
December stays wet, with 24 rain days and 241mm of rain, alongside highs of 28.6°C and just 8.8 hours of sunshine. The score is 4.7, an ok time to visit given the frequent rain. Christmas Day falls on 25 December.
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.
Events calendar
Public holidays: New Year's Day (1 Jan)
Public holidays: Good Friday (3 Apr), Easter Sunday (5 Apr)
Public holidays: Labour Day (1 May), Ascension Day (14 May)
Public holidays: Pancasila Day (1 Jun)
Public holidays: Independence Day (17 Aug)
Public holidays: Christmas Day (25 Dec)
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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