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Sumba Weather in August
August in Sumba typically sees daytime highs of 30°C (86°F) and nighttime lows of 21°C (70°F). With the least rainfall of the year, it's a reliably dry month.
Rainfall in Sumba in August
Dry conditions dominate this month. A great time for outdoor fun and exploration. The climate data from previous years indicates about a single day of rain, averaging 9.3 mm (0.4 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Sumba in August
August is a excellent month in Sumba, with 30°C (86°F) during the day and 21°C (70°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors. This month features cooler temperatures, yet the warmth remains enjoyable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Sumba.
Sumba Temperature in August
Min Temperature
21°C (70°F)
Max Temperature
30°C (86°F)
Chance of Rain
4%
Precipitation
9.3 mm (0.4 in)
Rainy days
a single day
Sumba Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sumba - and find the best time to visit.
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Sumba typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in August
Daily Historical Precipitation
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Sumba in August
Browse day-by-day weather records for Sumba spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sumba historical weather extremes in August
Based on 32 years of weather observations (1994-2026), these are the most extreme conditions recorded in Sumba.
- Sumba recorded its highest August temperature of 36°C (97°F) on August 28, 2015.
- On August 12, 2001, Sumba saw its coldest August day with temperatures maxing out at 23°C (73°F).
- The coldest night in August in Sumba was on August 2, 2008, with a minimum of 17°C (63°F).
Best Places in Indonesia in August
Find out more about the weather in Indonesia and which places have the best travel conditions in this month. See all of Indonesia in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Sumba in August
Warm but pleasant conditions in Sumba in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection.
What To Do in Sumba in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping10/10 -
Outdoor sports8/10
Sumba 3-Day Forecast
More climate data for Sumba
See the full Sumba climate overview or explore weather in Indonesia.
Popular in August
Where to go in August - average daytime high across popular destinations.
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