Weather in Sanya in August 2025
- August is usually the hottest month of the year in Sanya;
- August is usually the wettest month of the year in Sanya;
Average weather
Average temperature in Sanya in August
Going from a maximum of +90°F during the day to a minimum of +79°F during the night, the temperature in August averages around +88°F.
The average maximum temperature goes up 33% by the end of the month, compared with the beginning of the month, from +82°F to +86°F.
Is Sanya warm or cold in August?
Sanya is typically warm in August.
Maximum temperatures go up compared to the previous month from +86°F to +86°F. The minimum temperature also goes up from +79°F to +79°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Sanya, here is the comparison with other months:
Climate in Sanya in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +86°F | +86°F | +84°F | ||||
| Min. temperature | ||||||
| +72°F | +72°F | +70°F | ||||
| Max. temperature | ||||||
| +93°F | +91°F | +95°F | ||||
| Rainfall | ||||||
| 253 mm | 247 mm | 253 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 83% | 84% | 83% | ||||
| Air pressure | ||||||
| 1004 HPa | 1004 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 1 | 0 | 1 | ||||
| Cloudy days | ||||||
| 2 | 1 | 1 | ||||
| Rainy days | ||||||
| 28 | 28 | 26 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +86°F for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 253 mm to 247 mm. Humidity rises from 83% to 84%. The average wind speed doesn’t change much during August, staying around 2 m/s. The days becoming less sunny, going from 1 sunny days in July to 0 in August.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Sanya is gradually increasing during August, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Sanya?
Climate Change Over the Years
The climate in Sanya in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+79°F) and the highest in 2019 (+87°F). The driest year was 2004 with only 1034 mm of rainfall, and the wettest year was 2013 with 1941 mm.
FAQ
Is August a good time to visit Sanya?
Can you sunbathe in Sanya in August?
Is Sanya rainy in August?
Is it sunny in Sanya in August?
Other cities in China
Monthly weather in Sanya
Source of the data
For this page, we’ve looked at the typical weather in Sanya, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
