Samosir Island weather in December
Mild and comfortable, with frequent heavy rain. Average highs of 21°C and lows of 15°C, with around 29 rainy days expected throughout the month.
While December isn't our top-rated month for Samosir Island, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
21°C
Average low
15°C
Rainy days
29 days
Best months to visit
Year-round
What to do in Samosir Island in December
Whatever the weather, Samosir Island rewards curious visitors. Here are some of the best ways to spend your time:
Lake Toba boat circumnavigation tours
Batak traditional house museum visits
Stone monument and tomb explorations
Batak martial arts (pencak silat) demonstrations
Local weaving and craft workshops
Meditation retreats on island lodges
What to pack for December
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
21C
Mild and comfortable, with frequent heavy rain.
February
22C
Mild and comfortable, with frequent heavy rain.
March
22C
Mild and comfortable, with frequent heavy rain.
April
22C
Mild and comfortable, with frequent heavy rain.
May
22C
Mild and comfortable, with frequent heavy rain.
June
23C
Mild and comfortable, with regular rainfall.
July
23C
Mild and comfortable, with regular rainfall.
August
22C
Mild and comfortable, with frequent heavy rain.
September
22C
Mild and comfortable, with frequent heavy rain.
October
22C
Mild and comfortable, with frequent heavy rain.
November
21C
Mild and comfortable, with frequent heavy rain.
December (you are here)
21C
Mild and comfortable, with frequent heavy rain.
Book your December trip to Samosir Island
Find hotels, tours and experiences for the perfect escape.
