Jakarta, Indonesia Climate & Monthly Averages
The climate of Jakarta
There is not much of a seasonal calendar in Jakarta. Its warmest and coolest months differ by 2°C, against a dataset median nearer 15°C, which leaves 91°F (33°C) in September and 85°F (30°C) in February as the two ends of the year.
Climate quick facts
- Hottest month: September - highs near 91°F (33°C)
- Coldest month: February - highs near 85°F (30°C)
- Decade extremes (2015-2024): 100°F (38°C) high · 68°F (20°C) low
- Wettest month: February (27 rainy days) · Sunniest: August (11.4 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 2°C between the average warmest and coolest month · day to night: 7°C
- Months averaging 30°C or hotter: 10
- Average humidity: 81%
Temperatures through the year
February sits at the other end of the year: 85°F (30°C) by day, 74°F (24°C) at night. Warmth peaks in September: highs of 91°F (33°C), lows of 75°F (24°C). Relative humidity averages 81% across the year, more humid than roughly 88% of the cities we track - enough that summer afternoons feel hotter than the thermometer says, which is what the dew point converter is for.
Rain, sun and snow
Average highs hold at or above 30°C for 10 months of the year, March through December being the unbroken run. August is the brightest month at 11.4 hours of sun a day, against an annual average of 9.8. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 100°F (38°C) and the lowest daily minimum 68°F (20°C).
How Jakarta compares
- Its warmest and coolest months are 2°C apart - a steadier year than all but 3% of the 3496 cities we track.
- Rain or snow reaches the ground on 266 days a year - more wet days than 96% of the 3496 cities we track.
- Jakarta averages 80°F (27°C) across the year - warmer than 94% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 85° | 75° | 28 | 11.5 in | 8.2 h/day | 85% |
| February | 85° | 74° | 27 | 12.7 in | 8.0 h/day | 87% |
| March | 87° | 75° | 29 | 10.8 in | 9.3 h/day | 85% |
| April | 88° | 75° | 28 | 9.2 in | 9.8 h/day | 85% |
| May | 88° | 75° | 22 | 6.1 in | 10.2 h/day | 83% |
| June | 88° | 74° | 20 | 4.7 in | 10.4 h/day | 82% |
| July | 89° | 74° | 12 | 2.6 in | 11.0 h/day | 77% |
| August | 90° | 74° | 11 | 2.3 in | 11.4 h/day | 73% |
| September | 91° | 75° | 14 | 3.7 in | 11.1 h/day | 74% |
| October | 90° | 75° | 21 | 6.3 in | 10.4 h/day | 77% |
| November | 89° | 75° | 26 | 9.2 in | 9.3 h/day | 82% |
| December | 87° | 75° | 26 | 10.2 in | 8.7 h/day | 83% |
Jakarta month by month
Jakarta weather in January
January brings highs around 85°F (30°C), lows near 75°F (24°C), about 28 wet days.
Jakarta weather in February
February brings highs around 85°F (30°C), lows near 74°F (24°C), about 27 wet days - typically the coldest month and the wettest month of the year in Jakarta.
Jakarta weather in March
March brings highs around 87°F (30°C), lows near 75°F (24°C), about 29 wet days.
Jakarta weather in April
April brings highs around 88°F (31°C), lows near 75°F (24°C), about 28 wet days.
Jakarta weather in May
May brings highs around 88°F (31°C), lows near 75°F (24°C), about 22 wet days.
Jakarta weather in June
June brings highs around 88°F (31°C), lows near 74°F (24°C), about 20 wet days.
Jakarta weather in July
July brings highs around 89°F (32°C), lows near 74°F (23°C), about 12 wet days.
Jakarta weather in August
August brings highs around 90°F (32°C), lows near 74°F (24°C), about 11 wet days - typically the driest month and the sunniest month of the year in Jakarta.
Jakarta weather in September
September brings highs around 91°F (33°C), lows near 75°F (24°C), about 14 wet days - typically the hottest month of the year in Jakarta.
Jakarta weather in October
October brings highs around 90°F (32°C), lows near 75°F (24°C), about 21 wet days.
Jakarta weather in November
November brings highs around 89°F (32°C), lows near 75°F (24°C), about 26 wet days.
Jakarta weather in December
December brings highs around 87°F (30°C), lows near 75°F (24°C), about 26 wet days.
Seasons in Jakarta
September through November
September through November runs hot here - highs near 90°F (32°C), nights near 75°F (24°C), and rain falls on around 61 of the 90 days. Daylight is generous - around 10.3 hours of sun a day.
December through February
Through December through February, Jakarta sits firmly in the heat: 86°F (30°C) by day, 75°F (24°C) after dark, and rain falls on around 81 of the 90 days.
March through May
Through March through May, Jakarta brings hot afternoons: 88°F (31°C) by day, 75°F (24°C) after dark, and rain falls on around 80 of the 90 days.
June through August
June through August in Jakarta runs hot, with daytime highs averaging 89°F (32°C) and nights around 74°F (23°C); rain falls on around 44 of the 90 days. Daylight is generous - around 10.9 hours of sun a day.
Climate questions, answered
Is Jakarta humid?
How long does summer last in Jakarta?
What is the average temperature in Jakarta?
How much does the weather change through the year in Jakarta?
Best time to visit Jakarta
Aim for July to October if you get the choice: humidity and rainfall are at their lowest, which is what actually varies here, and highs average 90°F (32°C) against roughly 15 wet days a month. For the same question asked the other way round, see where else is warm in July.
Pack for Jakarta with lightweight, breathable clothing and serious sun protection, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. September nights average 75°F (24°C), so evenings rarely match the afternoons.
Jakarta temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.