Dumai weather in January (Sumatra, Indonesia)

Curious about the January weather in Dumai? Check out this comprehensive weather guide.

In January, Dumai generally has very high temperatures and heavy rainfall. Daytime temperatures hover around 32°C, while nights can cool down to about 24°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Dumai in January usually receives heavy rainfall, averaging around 214 mm for the month. Based on our climate data of the past 30 years, about 14 days of rain are anticipated.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Dumai. February and July typically offer the most optimal weather. In contrast, January, March, April, May, August, September, October, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Dumai climate page with graphs.

 

Dumai, monthly averages in January

Min Temperature 24°C  

Max Temperature 32°C  

Chance of Rain 46%  

Precipitation 214 mm  

Rainy days 14 days  

Where to go in Indonesia in January

Find out more about the weather in Indonesia in January and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Dumai in January?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Dumai.

Our site offers climate and forecast data for every country in the world. Are you going to Indonesia? On this website you can find historical weather averages for many cities in Indonesia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.