Dumai Weather in December

December in Dumai averages 32°C (90°F) during the day and 24°C (75°F) at night. December is part of the rainy season, with around 339 mm (13 in) of rainfall and frequent showers.

Rainfall in Dumai in December

Dumai is in the rainy season in December, with rain on around 19 days and an average of 339 mm (13 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.

Temperature in Dumai in December

Expect highs of 32°C (90°F) in Dumai in December, with nights dropping to around 24°C (75°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

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For a detailed overview over the year and the best time to visit Indonesia, check out our Dumai's climate page.

Dumai Temperature in December

Min Temperature 24°C (75°F)  

Max Temperature 32°C (90°F)  

Chance of Rain 63%  

Precipitation 339 mm (13 in)  

Rainy days 19 days  

What to Wear in Dumai in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.

What To Do in Dumai in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Indonesia, check out our Dumai's climate page.

More climate data for Dumai

Temperature Rainfall

See the full Dumai climate overview or explore weather in Indonesia.