Climate of South Sumatra, Indonesia
Area-weighted average across South Sumatra. For where people actually live and travel, see the cities below.
South Sumatra, a subdivision of Indonesia, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 25.3°C / 77.5°F in January to 26.5°C / 79.7°F in May, with rainfall from 109 mm / 4.3 in to 351 mm / 13.8 in depending on the season (2734 mm / 107.6 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 25.3°C77.5°F | 325 mm12.8″ | Tropical |
| February | 25.5°C77.9°F | 262 mm10.3″ | Tropical |
| March | 25.9°C78.6°F | 311 mm12.2″ | Tropical |
| April | 26.3°C79.3°F | 275 mm10.8″ | Tropical |
| May | 26.5°C79.7°F | 200 mm7.9″ | Tropical |
| June | 26.2°C79.2°F | 131 mm5.2″ | Tropical |
| July | 25.9°C78.6°F | 109 mm4.3″ | Tropical |
| August | 26°C78.8°F | 128 mm5″ | Tropical |
| September | 26.1°C79°F | 147 mm5.8″ | Tropical |
| October | 26.2°C79.2°F | 213 mm8.4″ | Tropical |
| November | 25.9°C78.6°F | 282 mm11.1″ | Tropical |
| December | 25.6°C78.1°F | 351 mm13.8″ | Tropical |
Frequently asked questions
What is the best time to visit South Sumatra?
South Sumatra, Indonesia does not have a clear sunny-and-dry window by our cutoffs. The warmest month is May at 26.5°C / 79.7°F, and the driest is July at 109 mm / 4.3 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of South Sumatra?
South Sumatra, Indonesia has area-weighted monthly average temperatures ranging from 25.3°C / 77.5°F in January to 26.5°C / 79.7°F in May. Annual rainfall averages about 2734 mm / 107.6 in, with the wettest month being December (351 mm / 13.8 in) and the driest July (109 mm / 4.3 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in South Sumatra?
The hottest month in South Sumatra is May, with an area-wide average temperature of 26.5°C / 79.7°F.
What is the coldest month in South Sumatra?
The coldest month in South Sumatra is January, with an area-wide average temperature of 25.3°C / 77.5°F.
When does it rain most in South Sumatra?
The wettest month in South Sumatra is December, averaging about 351 mm / 13.8 in of rainfall. The driest is July with about 109 mm / 4.3 in.