ClimateForecastDecemberJanuary >>

Weather in December in North Sumatra

Are you planning a trip a to North 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 North Sumatra in December?

North Sumatra is a region in Indonesia. December in North Sumatra generally has temperatures that range from warm to very warm, with heavy precipitation.

Temperatures

The average maximum daytime temperatures vary from warm in Tuk Tuk at 26°C to very warm in Medan at 31°C. Nighttime temperatures generally drop to 23°C in Medan 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 December, precipitation varies across different areas. From heavy rainfall in Tuk Tuk with an average of 274 mm to heavy rainfall in Berastagi with 337 mm.

Average sunshine

Medan experiences limited sunny days, amounting to roughly 98 hours of sunshine. This makes it perfect for those who prefer dimmer, cloudier settings rather than intense sunlit days

For a closer look at December's conditions in North Sumatra, see the map below. For a more detailed look at North Sumatra's yearly weather, check out our North Sumatra climate page.

Where to go in North Sumatra in December

Find more information for the most popular destinations in the North 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 December for the 5 most popular destinations in North Sumatra?

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.

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 
106 hours 
377 mm 
17 days 
poor 
31°C 
23°C 
98 hours 
334 mm 
15 days 
poor 
January   >> January
>>  
32°C 
23°C 
127 hours 
221 mm 
11 days 
poor 
Climate in Medan

Rantauprapat

In December Rantauprapat 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.

Rantauprapat
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
31°C 
23°C 
343 mm 
21 days 
poor 
31°C 
23°C 
314 mm 
18 days 
poor 
January   >> January
>>  
31°C 
23°C 
226 mm 
14 days 
poor 
Climate in Rantauprapat

Tuk Tuk

In December Tuk Tuk generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 19°C and heavy monthly rainfall. So on average the conditions are poor that month.

Tuk Tuk
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
26°C 
19°C 
290 mm 
21 days 
poor 
26°C 
19°C 
274 mm 
18 days 
poor 
January   >> January
>>  
26°C 
19°C 
199 mm 
14 days 
Climate in Tuk Tuk

Berastagi

In December Berastagi generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 18°C and heavy monthly rainfall. So on average the conditions are poor that month.

Berastagi
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
27°C 
18°C 
106 hours 
351 mm 
20 days 
poor 
26°C 
18°C 
98 hours 
337 mm 
18 days 
poor 
January   >> January
>>  
27°C 
18°C 
127 hours 
233 mm 
13 days 
Climate in Berastagi

Parapat

In December Parapat generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor that month.

Parapat
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
27°C 
20°C 
307 mm 
21 days 
poor 
26°C 
20°C 
295 mm 
19 days 
poor 
January   >> January
>>  
27°C 
19°C 
218 mm 
14 days 
Climate in Parapat

Is your destination not in the list? Have a look at other destinations in North Sumatra, in Indonesia.

Is December the best time to visit North Sumatra?

Given the typically poor weather conditions in Medan, December may not be the ideal time to visit North Sumatra.

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 North Sumatra. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Indonesia? Get detailed 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 travel conditions. Find out where to go with our weather planner.