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 rain on about 22 days and 216mm falling. This is one of the wetter months, with New Year's Day on the 1st. Score sits at 4.9, an ok time to visit if you don't mind frequent showers.
28°C / 22°C · 23 rain days · 8.5 h sun
Highs stay near 28°C, but rain days climb to 23 and rainfall reaches 260mm, the wettest month of the year. Despite the rain, the score rises to 6, a good verdict, so plan around showers rather than sunshine.
28°C / 22°C · 27 rain days · 9.1 h sun
Temperatures hold around 28°C with the highest rain-day count of the year at 26.5 and 311mm of rainfall. It's a wet, overcast stretch, reflected in an ok score of 4.9.
28°C / 22°C · 25 rain days · 9.7 h sun
Highs ease slightly to 27.7°C, rain days drop to 24.5, and sun hours rise to 9.7. Good Friday and Easter Sunday fall this month. The score improves to 6.2, a good time as conditions start to dry out.
27°C / 22°C · 25 rain days · 10.0 h sun
Highs reach 26.9°C with rain days at 24.5 but rainfall drops to 150mm, lighter than the first quarter. Labour Day on the 1st and Ascension Day on the 14th fall in this month. The score climbs to 6.6, a good period overall.
26°C / 21°C · 23 rain days · 9.9 h sun
Temperatures cool a touch to 26.1°C, rain days fall to 23.2, and rainfall is down to 146mm. Pancasila Day is marked on June 1st. With a score of 6.9, this is a good month with noticeably drier conditions.
26°C / 21°C · 21 rain days · 10.3 h sun
Highs sit at 25.8°C, the coolest of the year, with just 21 rain days and 127mm of rain. Sun hours reach 10.3. This month scores highest at 7, making it a good choice for drier weather.
27°C / 21°C · 15 rain days · 11.4 h sun
Rain days drop sharply to 14.9 and rainfall to just 67mm, the driest month on record here. Sun hours peak at 11.4 and highs sit at 26.5°C. Independence Day falls on the 17th, and the score of 6.8 confirms a good time to visit.
28°C / 21°C · 12 rain days · 11.5 h sun
This is the driest month by rain days, just 11.6, with only 60mm of rain and 11.5 sun hours. Highs climb to 27.9°C. The score of 6.7 keeps it in the good range, ideal for sunshine seekers.
29°C / 22°C · 14 rain days · 11.2 h sun
Highs peak at 29.3°C, the warmest month, but rain days start creeping back up to 14 with 72mm of rain. Despite the heat and sunshine at 11.2 hours, the score drops to 4.6, an ok verdict as humidity builds.
30°C / 22°C · 20 rain days · 10.3 h sun
Rain returns in force: 20 rain days and 170mm of rainfall, while highs stay warm at 29.5°C. Sun hours fall to 10.3. The score dips to 4.3, the lowest of the year, reflecting the wetter, more humid conditions.
29°C / 22°C · 24 rain days · 8.8 h sun
Rain days climb to 24 and rainfall to 241mm, with highs around 28.6°C and sun hours down to 8.8. Christmas Day falls on the 25th. The score sits at 4.7, an ok time as the wet season sets back in.
By trip type
City sightseeing
June and July work well for city trips. Highs sit around 26°C, rain drops to 127-146mm, and sun hours reach 9.9-10.3, so walking tours and outdoor sightseeing face fewer rainy interruptions.
Hiking & nature
June and July suit hiking best. Rain days fall to 21-23 compared with over 24 earlier in the year, and cooler highs of 25.8-26.1°C make climbing more comfortable than the hotter, wetter months.
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, August is one of the better months. It scores 6.8 out of 10, with only 14.9 rain days and 67mm of rain, the driest month of the year. Sun hours reach 11.4, the highest on record, and highs sit around 26.5°C, so days stay bright and dry.
January is an okay month, scoring 4.9 out of 10. It has 21.9 rain days and 216mm of rain, with only 8.9 hours of sun, among the lowest in the year. Highs reach 28.1°C, so it stays warm, but expect frequent rain through the month.
July and June are the top-rated months. July scores 7 out of 10, the highest of the year, with 127mm of rain over 21 days and 10.3 sun hours. June scores 6.9, with similar dry conditions. Both months combine warm temperatures with lower rainfall than most of the year.
October rates as just okay, scoring 4.6 out of 10. Rainfall picks up again to 72mm over 14 days compared with September's 60mm, and sun hours dip slightly to 11.2. Highs reach 29.3°C, the warmest month on record, so it's hot but with rising cloud and rain.
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