Weather in South Sumatra

Calculated from weather data of Sultan Mahmud Badaruddin II Airport (WIPP) between 2021 and 2025.

Maximum temperatures (°C)

Month	Average	2025	2024	2023	2022	2021
January	30.9	30.1	31.5	30.3	30.8	30.0
February	30.7	30.5	31.1	31.3	31.6	30.8
March	31.6	31.5	32.2	31.6	32.6	32.0
April	32.5		33.8	32.5	32.7	32.2
May	32.2	32.5	32.6	32.6	32.7	32.6
June	31.8	32.2	32.2	32.3	31.6	32.3
July	31.4		32.0	32.2	31.6	32.2
August	32.3		32.7	32.8	31.5	31.8
September	32.5		32.8	34.3	31.3	32.1
October	32.9		33.7	35.2	31.3	32.8
November	32.3		32.2	33.2	32.0	31.8
December	31.3		31.3	31.8	31.6	31.3
Average	31.8	31.3	32.4	32.5	31.8	31.8

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2025	2024	2023	2022	2021
January	23.2	23	22	20	24	24
February	23.9	24	25	22	24	24
March	23.7	24	24	21	24	24
April	24.3		25	22	24	24
May	24.7	25	25	23	25	25
June	24.2	25	24	22	23	24
July	24.0		24	23	24	24
August	23.9		25	25	24	24
September	24.0		25	23	24	24
October	23.8		25	21	24	25
November	23.5		25	22	23	24
December	23.9		25	24	23	24
Average	23.9	24.1	24.4	22.2	23.8	24.1

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2025	2024	2023	2022	2021
30 °C or warmer	105	316	314	295	297
25 °C or warmer	151	356	365	352	365
20 °C or warmer	151	356	365	354	365
0 °C or colder	0	0	0	0	0

Precipitation (%)

Month	Average	2025	2024	2023	2022	2021
January	8.1	13	8	8	7	12
February	7.4	6	13	3	4	5
March	6.0	8	7	6	5	4
April	4.7		9	4	3	4
May	4.4	3	9	5	3	5
June	3.7	4	6	4	3	3
July	3.9		3	4	5	2
August	3.5		1	2	8	8
September	3.7		4	2	7	5
October	4.0		2	2	7	3
November	5.2		8	4	6	7
December	6.2		6	7	4	8
Average	5.3	6.8	6.7	4.3	5.1	5.5

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2025	2024	2023	2022	2021
January	12.6	13	12	13	12	13
February	11.9	12	11	14	11	13
March	10.2	12	10	12	9	10
April	7.9		7	8	8	9
May	8.4	7	9	8	8	9
June	9.0	8	8	9	9	9
July	10.7		10	10	9	11
August	12.3		13	12	10	11
September	11.7		11	14	10	11
October	9.4		8	12	8	9
November	8.2		7	8	8	8
December	9.8		11	9	8	11
Average	10.4	10.4	9.5	10.7	9.2	10.3

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2025	2024	2023	2022	2021
January	NW	NW	NW	NW	NW
February	NW	NW	NW	NW	NW
March	NW	NW	NW	NW	NW
April		E	N	NW	N
May	SE	SE	SE	SE	SE
June	SE	SE	SE	SE	SE
July		SE	SE	SE	SE
August		SE	SE	SE	SE
September		SE	SE	SE	SE
October		SE	E	W	SE
November		N	NW	NW	NW
December		NW	NW	NW	NW

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

South Sumatra weather Q&A

What is the warmest month in South Sumatra?

The warmest month is October with an average temperature of 33 °C over the past years.

What is the coldest month in South Sumatra?

The coldest month is February with an average daytime temperature of 31 °C in the past few years.

Which month is the wettest in South Sumatra?

Chance of precipitation is the highest in January with a probability of around 8.2 %.

Which month is the driest in South Sumatra?

The least rainfall and snow can be expected in August. The probability is about 3.6 %.