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Sumba weather in December (East Nusa Tenggara, Indonesia)

Is Sumba a good destination in December, weather-wise? See what weather conditions to anticipate this month with our guide.

Temperatures

Typically, December in Sumba includes very high temperatures and heavy rainfall. The daytime often sees temperatures reaching 31°C, but nighttime brings a cool-down to 24°C. It's the hottest month of the year. Make sure to come prepared with breezy outfits. Whether you're out exploring or just lounging, being prepared can make your experience in this warm month much more enjoyable.

Precipitation

Sumba in December falls under the rainy season with heavy rainfall, averaging around 245 mm for the month. The climate data from previous years indicates that there are typically about 18 days days of rain.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Sumba. June, July, August and September generally stand out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Sumba, monthly averages in December

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 59%  
PrecipitationPrecipitation 245 mm  
Rainy daysRainy days 18 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.

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).

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 Sumba.

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.