When to go · Dumai
Dumai in December
Great month. Inside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.
Key facts
- Verdict
- Great
- Temperature
- 31°C (88°F)88°F (31°C) / 23°C (73°F)73°F (23°C)
- average high / low
- Rain days
- 16
- Crowds
- High
- Indonesia overall
- Prices
- High
- Indonesia overall
Verdict
Inside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.
Is another month better than December?
No other month rates higher than December for Dumai in this guide.
Weather in December
- DumaiHighs around 31 °C (88 °F), lows around 23 °C (73 °F), rain on about 16 daysHighs around 88 °F (31 °C), lows around 73 °F (23 °C), rain on about 16 days
Crowds and prices
- Crowds · Indonesia overall
- High
- Prices · Indonesia overall
- High
Indonesia overall: Wet but Christmas–New Year crowds fill Bali.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Dumai, side by side.
Verdict
Dec: Great
Jan: Great
Daytime high
Dec: 31 °C (88 °F)88 °F (31 °C)
Jan: 31 °C (88 °F)88 °F (31 °C)
Night low
Dec: 23 °C (73 °F)73 °F (23 °C)
Jan: 23 °C (73 °F)73 °F (23 °C)
Rain days
Dec: 16
Jan: 14 (better)
Crowds
Dec: High
Jan: Medium
Prices
Dec: High
Jan: Medium
Festivals listed
Dec: 0
Jan: 0
December: Inside Dumai's best window: Feb–Sep (drier); avoid the Dec–Jan rain peak.
January: 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.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast