ClimateForecastJanuaryFebruary >>

Weather in January in Sumatra

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.

Temperatures

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.

Precipitation

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.

Average sunshine

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

Find more information for the most popular destinations in the Sumatra on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
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).

Popular destinations

What is the weather like in January for the 5 most popular destinations in Sumatra?

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.

Medan
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
23°C 
98 hours 
334 mm 
15 days 
poor 
32°C 
23°C 
127 hours 
221 mm 
11 days 
poor 
32°C 
23°C 
142 hours 
177 mm 
7 days 
Climate in Medan

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.

Pekanbaru
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
32°C 
24°C 
281 mm 
19 days 
poor 
32°C 
23°C 
223 mm 
14 days 
poor 
33°C 
24°C 
187 mm 
12 days 
Climate in Pekanbaru

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.

Tanjungpandan
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
30°C 
25°C 
372 mm 
22 days 
poor 
30°C 
25°C 
283 mm 
17 days 
poor 
30°C 
25°C 
217 mm 
11 days 
poor 
Climate in Tanjungpandan

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.

Bukittinggi
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
28°C 
20°C 
380 mm 
21 days 
poor 
28°C 
20°C 
310 mm 
17 days 
poor 
29°C 
20°C 
294 mm 
14 days 
poor 
Climate in Bukittinggi

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.

Matur
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
28°C 
20°C 
396 mm 
21 days 
poor 
28°C 
20°C 
323 mm 
17 days 
poor 
29°C 
20°C 
312 mm 
14 days 
poor 
Climate in Matur

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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