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Sumba weather in January (East Nusa Tenggara, Indonesia)

Looking to travel to Sumba in January? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In January, Sumba generally has very high temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 30°C. But by evening, they drop to around 24°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Sumba in January falls under the rainy season with heavy rainfall, averaging around 283 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 21 days of the month will see rainfall.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Sumba. June, July, August and September typically offer the most optimal weather. In contrast, January, February, March and December tend to have less optimal conditions.

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

 

Sumba, monthly averages in January

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 70%  
PrecipitationPrecipitation 283 mm  
Rainy daysRainy days 21 days  

Where to go in Indonesia in January

Find out more about the weather in Indonesia in January and which places have the best weather 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 Sumba in January?

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 in January.

Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.