Pematangsiantar weather in December (Sumatra, Indonesia)

Thinking of visiting Pematangsiantar in December? Check the weather first! See what weather conditions to anticipate this month with our guide.

Temperatures

During December, Pematangsiantar usually has high temperatures and heavy rainfall. You can expect daytime temperatures to reach around 29°C, while the nights will see a decline to about 21°C.

Precipitation

Pematangsiantar in December falls under the rainy season with heavy rainfall, averaging around 314 mm for the month. Based on our climate data of the past 30 years, about 17 days of rain are anticipated.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Pematangsiantar. January typically offers the best circumstances. While February, March, April, May, June, July, August, September, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Pematangsiantar climate page with graphs.

 

Pematangsiantar, monthly averages in December

Min Temperature 21°C  

Max Temperature 29°C  

Chance of Rain 58%  

Precipitation 314 mm  

Rainy days 17 days  

Where to go in Indonesia in December

Find out more about the weather in Indonesia and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Pematangsiantar.

Our site offers climate and forecast data for every country in the world. Are you going to Indonesia? On this website you can find 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.