Sumatra weather in January
Planning a journey to Sumatra this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:
What is the weather like in Sumatra in January?
Sumatra is a region in Indonesia. January in Sumatra generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy.
Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in Tuk Tuk at 26°C to very warm in Dumai at 32°C. Nighttime temperatures generally drop to 24°C in Dumai and 19°C in Tuk Tuk. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.
In January, precipitation varies across different areas. From high rainfall in Iboih with an average of 139 mm to heavy rainfall in Matur with 323 mm. Most areas experience a moderate amount of sunshine, with approximately 127 hours of sunlight expected in Medan. This makes it neither too gloomy nor overly bright.
For a closer look at January's conditions in Sumatra, see the map below. For a more detailed look at Sumatra's yearly weather, check out our Sumatra climate page.
Where to go in Sumatra in January
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Popular destinations in Sumatra
What is the weather like in January for the 5 most popular destinations in Sumatra?
Average weather in Medan
In January Medan generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Average weather in Pekanbaru
In January Pekanbaru generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Average weather in Tanjungpandan
In January Tanjungpandan generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Average weather in Bukittinggi
In January Bukittinggi generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Average weather in Matur
In January Matur generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Is your destination not in the list? Have a look at other destinations in Sumatra, in Indonesia.
Is January the best time to visit Sumatra?
In our opinion, January may not be the ideal time to visit Sumatra due to the typically poor weather in Medan.
Generally speaking, February provides tolerable weather in Medan. On the other hand, the weather in January, April, May, June, July, August, September, October, November and December tend to be poor.
Interested in more climate information?
We have much more information about the climate in Sumatra.
Interested in the weather conditions in a specific month? Select the month below.
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