Climate of Riau Islands, Indonesia
Area-weighted average across Riau Islands. For where people actually live and travel, see the cities below.
Riau Islands, a subdivision of Indonesia, has a tropical climate on average. Area-weighted monthly temperatures across the whole territory range from 25.9°C / 78.6°F in January to 27.5°C / 81.5°F in May, with rainfall from 143 mm / 5.6 in to 284 mm / 11.2 in depending on the season (2428 mm / 95.6 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 25.9°C78.6°F | 218 mm8.6″ | Tropical |
| February | 26.3°C79.3°F | 143 mm5.6″ | Tropical |
| March | 26.7°C80.1°F | 176 mm6.9″ | Tropical |
| April | 27.1°C80.8°F | 192 mm7.6″ | Tropical |
| May | 27.5°C81.5°F | 203 mm8″ | Tropical |
| June | 27.4°C81.3°F | 173 mm6.8″ | Tropical |
| July | 27°C80.6°F | 173 mm6.8″ | Tropical |
| August | 27.1°C80.8°F | 160 mm6.3″ | Tropical |
| September | 26.9°C80.4°F | 193 mm7.6″ | Tropical |
| October | 26.7°C80.1°F | 246 mm9.7″ | Tropical |
| November | 26.4°C79.5°F | 267 mm10.5″ | Tropical |
| December | 26°C78.8°F | 284 mm11.2″ | Tropical |
Frequently asked questions
What is the best time to visit Riau Islands?
Riau Islands, Indonesia does not have a clear sunny-and-dry window by our cutoffs. The warmest month is May at 27.5°C / 81.5°F, and the driest is February at 143 mm / 5.6 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Riau Islands?
Riau Islands, Indonesia has area-weighted monthly average temperatures ranging from 25.9°C / 78.6°F in January to 27.5°C / 81.5°F in May. Annual rainfall averages about 2428 mm / 95.6 in, with the wettest month being December (284 mm / 11.2 in) and the driest February (143 mm / 5.6 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Riau Islands?
The hottest month in Riau Islands is May, with an area-wide average temperature of 27.5°C / 81.5°F.
What is the coldest month in Riau Islands?
The coldest month in Riau Islands is January, with an area-wide average temperature of 25.9°C / 78.6°F.
When does it rain most in Riau Islands?
The wettest month in Riau Islands is December, averaging about 284 mm / 11.2 in of rainfall. The driest is February with about 143 mm / 5.6 in.