Climate averages 1991–2020
Jakarta weather
in January.
A hot, very wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Jakarta: daytime highs average 28.4°C and nights cool to about 23.5°C. By daytime temperature it is the coolest month of the year.
Expect about 298 mm of rain on roughly 28 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average January day.
The nearest other city in this atlas is Bekasi (16 km away). In January its highs average 28.6°C, about as warm as Jakarta, with 330 mm of rain.
Among the 200 cities listed in Indonesia, Jakarta ranks joint 115th of 200 for the warmest January highs and joint 84th of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Jakarta is 0.2°C warmer than that mean.
From January to February, average highs rise by 0.1°C to 28.5°C, and monthly rainfall falls from 298 mm to 280 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Jakarta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.4°C23.5°C | 23.5°C | 298 | 28.3 | 12.412 h |
| February | 28.5°C23.5°C | 23.5°C | 280 | 27.1 | 12.312 h |
| March | 29.2°C23.6°C | 23.6°C | 243 | 28.4 | 12.112 h |
| April | 29.5°C23.7°C | 23.7°C | 201 | 25.9 | 12.012 h |
| May | 29.7°C23.6°C | 23.6°C | 118 | 20.9 | 11.812 h |
| June | 29.7°C23.3°C | 23.3°C | 85 | 14.7 | 11.812 h |
| July | 29.9°C23.0°C | 23.0°C | 67 | 12.4 | 11.812 h |
| August | 30.6°C23.1°C | 23.1°C | 43 | 8.8 | 11.912 h |
| September | 31.2°C23.4°C | 23.4°C | 57 | 11.1 | 12.112 h |
| October | 31.0°C23.8°C | 23.8°C | 129 | 18.5 | 12.212 h |
| November | 29.9°C23.8°C | 23.8°C | 216 | 25.7 | 12.412 h |
| December | 28.9°C23.7°C | 23.7°C | 264 | 26.4 | 12.512 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Bekasi in JanuaryIndonesia · 16 kmHigh 28.6°C · Low 23.6°C · 330 mm rain
- South Tangerang in JanuaryIndonesia · 16 kmHigh 28.8°C · Low 22.9°C · 298 mm rain
- Ciputat in JanuaryIndonesia · 17 kmHigh 28.6°C · Low 23.3°C · 298 mm rain
- Depok in JanuaryIndonesia · 21 kmHigh 28.6°C · Low 22.5°C · 325 mm rain
- Cileungsir in JanuaryIndonesia · 24 kmHigh 28.9°C · Low 22.6°C · 347 mm rain
- Tangerang in JanuaryIndonesia · 24 kmHigh 28.7°C · Low 23.2°C · 298 mm rain
- Parung in JanuaryIndonesia · 26 kmHigh 28.5°C · Low 22.5°C · 325 mm rain
- Teluknaga in JanuaryIndonesia · 26 kmHigh 29.0°C · Low 23.9°C · 322 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Jakarta) is explained once on the Jakarta year overview and on the Sources, method and limits page.
Tangerang, South Tangerang and Ciputat lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.