Pematangsiantar Weather in December

December in Pematangsiantar typically sees daytime highs of 29°C (84°F) and nighttime lows of 21°C (70°F). December falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Pematangsiantar in December

As part of the rainy season, Pematangsiantar sees around 17 days of rain in December, with an average of 314 mm (12 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Pematangsiantar in December

December in Pematangsiantar brings typical temperatures with highs around 29°C (84°F) and lows of 21°C (70°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Pematangsiantar. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
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For a detailed overview over the year and the best time to visit Indonesia, check out our Pematangsiantar's climate page.

Pematangsiantar Temperature in December

Min Temperature 21°C (70°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 58%  

Precipitation 314 mm (12 in)  

Rainy days 17 days  

What to Wear in Pematangsiantar in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.

What To Do in Pematangsiantar in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Indonesia, check out our Pematangsiantar's climate page.

More climate data for Pematangsiantar

Temperature Rainfall

See the full Pematangsiantar climate overview or explore weather in Indonesia.