Sumba weather in May (East Nusa Tenggara, Indonesia)

Looking to travel to Sumba in May? This guide provides all the details you need.

In May, Sumba typically experiences very high temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 30°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 23°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Sumba in May usually receives moderate rainfall, averaging around 50 mm for the month. Typically around 6 days of rainfall is expected.

If you prefer dry days with pleasant temperatures, June, July, August and September typically offer 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 May

Min TemperatureMin Temperature 23°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 20%  
PrecipitationPrecipitation 50 mm  
Rainy daysRainy days 6 days  

Where to go in Indonesia in May

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

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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 Sumba in May?

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.

What To Do

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

Cycling
8/10
Walking
8/10
Camping
10/10
Outdoor sports
8/10

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.