Climate of Riau, Indonesia
Area-weighted average across Riau. For where people actually live and travel, see the cities below.
Riau, a subdivision of Indonesia, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 25.7°C / 78.3°F in January to 26.9°C / 80.4°F in May, with rainfall from 136 mm / 5.4 in to 293 mm / 11.5 in depending on the season (2564 mm / 100.9 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 | 25.7°C78.3°F | 229 mm9″ | Tropical |
| February | 26.2°C79.2°F | 190 mm7.5″ | Tropical |
| March | 26.5°C79.7°F | 231 mm9.1″ | Tropical |
| April | 26.8°C80.2°F | 249 mm9.8″ | Tropical |
| May | 26.9°C80.4°F | 198 mm7.8″ | Tropical |
| June | 26.7°C80.1°F | 141 mm5.6″ | Tropical |
| July | 26.3°C79.3°F | 136 mm5.4″ | Tropical |
| August | 26.3°C79.3°F | 161 mm6.3″ | Tropical |
| September | 26.2°C79.2°F | 212 mm8.3″ | Tropical |
| October | 26.3°C79.3°F | 258 mm10.2″ | Tropical |
| November | 26°C78.8°F | 293 mm11.5″ | Tropical |
| December | 25.8°C78.4°F | 266 mm10.5″ | Tropical |
Frequently asked questions
What is the best time to visit Riau?
Riau, Indonesia does not have a clear sunny-and-dry window by our cutoffs. The warmest month is May at 26.9°C / 80.4°F, and the driest is July at 136 mm / 5.4 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Riau?
Riau, Indonesia has area-weighted monthly average temperatures ranging from 25.7°C / 78.3°F in January to 26.9°C / 80.4°F in May. Annual rainfall averages about 2564 mm / 100.9 in, with the wettest month being November (293 mm / 11.5 in) and the driest July (136 mm / 5.4 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Riau?
The hottest month in Riau is May, with an area-wide average temperature of 26.9°C / 80.4°F.
What is the coldest month in Riau?
The coldest month in Riau is January, with an area-wide average temperature of 25.7°C / 78.3°F.
When does it rain most in Riau?
The wettest month in Riau is November, averaging about 293 mm / 11.5 in of rainfall. The driest is July with about 136 mm / 5.4 in.