When to go · Dumai
Dumai, month by month
The best months for Dumai: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Dec.
Month by month
- JanuaryGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.31 °C (88 °F) / 23 °C (73 °F), 14 rain days88 °F (31 °C) / 73 °F (23 °C), 14 rain daysCrowds: Medium
- FebruaryGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.32 °C (90 °F) / 23 °C (73 °F), 11 rain days90 °F (32 °C) / 73 °F (23 °C), 11 rain daysCrowds: Low
- MarchGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.32 °C (90 °F) / 23 °C (73 °F), 13 rain days90 °F (32 °C) / 73 °F (23 °C), 13 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.32 °C (90 °F) / 24 °C (75 °F), 15 rain days90 °F (32 °C) / 75 °F (24 °C), 15 rain daysCrowds: Medium
- MayGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.32 °C (90 °F) / 24 °C (75 °F), 13 rain days90 °F (32 °C) / 75 °F (24 °C), 13 rain daysCrowds: Medium
- JuneGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.32 °C (90 °F) / 23 °C (73 °F), 11 rain days90 °F (32 °C) / 73 °F (23 °C), 11 rain daysCrowds: High
- JulyGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.32 °C (90 °F) / 23 °C (73 °F), 10 rain days90 °F (32 °C) / 73 °F (23 °C), 10 rain daysCrowds: High
- AugustGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.32 °C (90 °F) / 23 °C (73 °F), 11 rain days90 °F (32 °C) / 73 °F (23 °C), 11 rain daysCrowds: High
- SeptemberGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.32 °C (90 °F) / 23 °C (73 °F), 13 rain days90 °F (32 °C) / 73 °F (23 °C), 13 rain daysCrowds: Medium
- OctoberGoodOutside the best window (Feb–Sep (drier); avoid the Dec–Jan rain peak). Across Indonesia: Still mostly dry; first storms late in the month.32 °C (90 °F) / 23 °C (73 °F), 16 rain days90 °F (32 °C) / 73 °F (23 °C), 16 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Feb–Sep (drier); avoid the Dec–Jan rain peak). Across Indonesia: Rainy season begins; seas rough to the Gilis.31 °C (88 °F) / 23 °C (73 °F), 17 rain days88 °F (31 °C) / 73 °F (23 °C), 17 rain daysCrowds: Low
- DecemberGreatInside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.31 °C (88 °F) / 23 °C (73 °F), 16 rain days88 °F (31 °C) / 73 °F (23 °C), 16 rain daysCrowds: High
Compare two months
Weather, crowds and prices for any two months in Dumai, side by side.
Verdict
Jan: Great
Feb: Great
Daytime high
Jan: 31 °C (88 °F)88 °F (31 °C)
Feb: 32 °C (90 °F)90 °F (32 °C)
Night low
Jan: 23 °C (73 °F)73 °F (23 °C)
Feb: 23 °C (73 °F)73 °F (23 °C)
Rain days
Jan: 14
Feb: 11 (better)
Crowds
Jan: Medium
Feb: Low
Prices
Jan: Medium
Feb: Low
Festivals listed
Jan: 0
Feb: 0
January: Inside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.
February: Inside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.
Dumai: figures are long-term averages from this guide, not a forecast.