Sumatra weather in December
Are you planning a trip to Sumatra in December and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in Sumatra in December?
Sumatra is a region in Indonesia. December in Sumatra generally has temperatures that range from warm to very warm, with heavy precipitation.
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 Pekanbaru at 32°C. Nighttime temperatures generally drop to 24°C in Pekanbaru and 19°C in Tuk Tuk. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.
In December, precipitation varies across different areas. From heavy rainfall in Sawahlunto with an average of 255 mm to heavy rainfall in Matur with 396 mm. Most cities witness limited sunny days, expect roughly 98 hours of sunlight in Medan. This low amount of sunlight is perfect for those who lean towards dimmer, cloudier weather rather than intense sunny days.
For a closer look at December'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 December
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Popular destinations in Sumatra
What is the weather like in December for the 5 most popular destinations in Sumatra?
Average weather in Medan
In December Medan generally has very high temperatures with maximum daytime temperatures around 31°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 December Pekanbaru generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are poor that month.
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Average weather in Tanjungpandan
In December 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 December 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 December 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 December the best time to visit Sumatra?
Given the typically poor weather conditions in Medan, December may not be the ideal time to visit Sumatra.
On average, the best time to visit Sumatra is in February with generally 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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