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Climate in Sumba (East Nusa Tenggara), Indonesia

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Weather Forecasts for Sumba

Fri   Apr 26
31°C | 25°C
E 22 km/h
1.4 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Sat   Apr 27
31°C | 25°C
E 18 km/h
1.7 mm
partly cloudy and rain

partly cloudy and rain

Sun   Apr 28
32°C | 26°C
E 22 km/h
2 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit Sumba in Indonesia

Sumba has high temperatures year round ranging between 29°C and 31°C.
The best time to visit is during the drier months: June, July, August, September and October.

Other facts from our historical weather data:

  • When is the rainy season in Sumba?
    Rainy season in Sumba occurs in the months of January, February, March and December.
  • Does Sumba have a dry season?
    Yes, the months of July, August and September are very dry.
  • Which is the hottest month in Sumba?
    October has an average maximum temperature of 32°C and is the hottest month of the year.
  • Which is the coolest month in Sumba?
    The coolest month is August with an average maximum temperature of 29°C.
  • Which is the wettest month in Sumba?
    February tops the wettest month list with 298 mm of rainfall.
  • Which is the driest month in Sumba?
    August is the driest month with 9 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.