Jakarta, Indonesia Climate & Monthly Averages

Indonesia 🇮🇩 · tropical wet-and-dry climate
Annual avg
80°
Hottest month
September
Coldest month
February
Rainy days / yr
266
Sunshine
9.8 h/day
Right now: 84° and smoky haze - see live conditions

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

Monthly averages for Jakarta based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 85° 75° 28 11.5 in 8.2 h/day 12.4 h 91% 85%
February 85° 74° 27 12.7 in 8.0 h/day 12.3 h 96% 87%
March 87° 75° 29 10.8 in 9.3 h/day 12.2 h 95% 85%
April 88° 75° 28 9.2 in 9.8 h/day 12.0 h 93% 85%
May 88° 75° 22 6.1 in 10.2 h/day 11.8 h 72% 83%
June 88° 74° 20 4.7 in 10.4 h/day 11.8 h 66% 82%
July 89° 74° 12 2.6 in 11.0 h/day 11.8 h 40% 77%
August 90° 74° 11 2.3 in 11.4 h/day 11.9 h 37% 73%
September 91° 75° 14 3.7 in 11.1 h/day 12.1 h 47% 74%
October 90° 75° 21 6.3 in 10.4 h/day 12.3 h 67% 77%
November 89° 75° 26 9.2 in 9.3 h/day 12.4 h 87% 82%
December 87° 75° 26 10.2 in 8.7 h/day 12.5 h 84% 83%

Jakarta month by month

Average high and low for each month, with the bar showing where it sits in Jakarta's year (left is the coldest night, right is the warmest afternoon).

January

85°75°
Rain
28 days
Sunshine
8.2 h
Daylight
12.4 h

February

ColdestWettest
85°74°
Rain
27 days
Sunshine
8.0 h
Daylight
12.3 h

March

87°75°
Rain
29 days
Sunshine
9.3 h
Daylight
12.2 h

April

88°75°
Rain
28 days
Sunshine
9.8 h
Daylight
12.0 h

May

88°75°
Rain
22 days
Sunshine
10.2 h
Daylight
11.8 h

June

88°74°
Rain
20 days
Sunshine
10.4 h
Daylight
11.8 h

July

89°74°
Rain
12 days
Sunshine
11.0 h
Daylight
11.8 h

August

DriestSunniest
90°74°
Rain
11 days
Sunshine
11.4 h
Daylight
11.9 h

September

Hottest
91°75°
Rain
14 days
Sunshine
11.1 h
Daylight
12.1 h

October

90°75°
Rain
21 days
Sunshine
10.4 h
Daylight
12.3 h

November

89°75°
Rain
26 days
Sunshine
9.3 h
Daylight
12.4 h

December

87°75°
Rain
26 days
Sunshine
8.7 h
Daylight
12.5 h

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

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?
Relative humidity averages 81% across the year, which reads as very humid. Paired with September heat, muggy afternoons are routine.
How long does summer last in Jakarta?
Average highs hold at 30°C or above for 10 months of the year. Outside that, February pulls back to 85°F (30°C).
What is the average temperature in Jakarta?
80°F (27°C) across all twelve months - about 88°F (31°C) by day and 75°F (24°C) after dark.
How much does the weather change through the year in Jakarta?
Barely, by temperature: only 2°C separates the average warmest month from the average coolest. What changes instead is rainfall - February against August.

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)

Highest recorded
100°
in September
Lowest recorded
68°
in July
Annual precipitation
89.4"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.