Weather in Palembang

Rain is rain in every month and about 2450 mm across the year. The wettest month is March at 313 mm; the driest is August at 79 mm.

Palembang is in Indonesia at 2.9°S. The 2001–2020 NASA POWER daily record describes an equatorial climate that stays hot and wet. April is the warmest month (average 27.0°C, high 29.9°C) and January is the coolest (average 26.2°C, low 23.5°C). On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are July, August, and September.

How warm Palembang gets

The heat peaks in April, when the typical afternoon is 29.9°C. The opposite pole is January, when mornings average 23.5°C.

Across the year the mean afternoon high is 29.8°C. If you want the smallest day–night shock, look at months where the high and low sit close together; April nights still hold 24.1°C.

Rain through the year

Rain does not take a season off. Palembang receives about 2450 mm a year, and even August still sees 79 mm. March is the peak at 313 mm and 25 days with at least 1 mm.

Humidity peaks near 90%. That usually lines up with the wetter months rather than the hottest ones.

The calendar in Palembang

The year bottoms out in January. Plan for 23.5°C at night and 28.9°C in the afternoon. March is the wettest month — 313 mm and 25 rainy days, with 89% humidity. Peak heat arrives in April: 29.9°C by day, 24.1°C at night, and 89% humidity. May brings 178 mm and 19 rainy days; temperatures run from 24.1°C to 30.0°C.

August is the driest month, averaging only 79 mm across 10 rainy days. Highs sit near 30.1°C. October: 30.7°C high, 23.2°C low, 191 mm rain, 86% humidity. In November, Palembang averages 30.2°C by day and 23.8°C at night, with 291 mm of rain.

When the score favours a visit

The three months with the highest comfort score are July, August, and September: July (26.2°C average, 110 mm, 89% humidity); August (26.3°C average, 79 mm, 87% humidity); September (26.6°C average, 98 mm, 86% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is April. The coolest stretch is January.

Palembang and other cities in Indonesia

Jakarta is about 434 km away: Palembang is 1.3°C cooler than Jakarta in its hottest month and 248 mm wetter over the year than Jakarta. Jakarta’s wettest month is February (387 mm) versus March here.

Depok is about 450 km away: Palembang is 0.9°C warmer than Depok in its hottest month and 178 mm wetter over the year than Depok. Depok’s wettest month is February (373 mm) versus March here.

Batam is about 459 km away: Palembang is 1.8°C cooler than Batam in its hottest month and 59 mm wetter over the year than Batam. Batam’s wettest month is December (302 mm) versus March here.