Sanya Weather in August
August in Sanya averages 31°C (88°F) during the day and 26°C (79°F) at night. August is part of the rainy season, with around 269 mm (11 in) of rainfall and frequent showers.
Rainfall in Sanya in August
As part of the rainy season, Sanya sees around 17 days of rain in August, with an average of 269 mm (11 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Sanya in August
Daytime highs in Sanya in August reach 31°C (88°F), with nights around 26°C (79°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights are warm at 26°C (79°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Sanya. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Sanya's climate page.
Sanya Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Chance of Rain
57%
Precipitation
269 mm (11 in)
Rainy days
17 days
Humidity
73%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sanya typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Sanya in August
Browse day-by-day weather records for Sanya spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sanya historical weather extremes in August
Based on weather observations in Sanya between 1976 and 2025, these are the recorded extremes during August.
- The warmest day in August was on August 10, 1990, with a maximum of 37°C (99°F).
- The coldest August day was on August 28, 2014, with a maximum of 26°C (79°F).
- Nighttime temperatures dropped to 20°C (68°F) on August 8, 2012, marking the coldest August night on record.
Best Places in China in August
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Sanya in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Sanya in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Sanya's climate page.
See the full Sanya climate overview or explore weather in China.
