Sanya weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sanya in August based on long-term weather averages. There is usually 18 days with some rainfall and 219 mm of average monthly rainfall in August.

  • 31°C maximum daytime temperature in August in Sanya31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in August in Sanya18
    18 days with some rainfall
  • 25°C minimum night-time temperature in August in Sanya25
    25°C min night temperature
  • 13 hours of daylight per day in August in Sanya13
    13 hours of daylight per day
  • High heat & humidity in August in SanyaH
    High heat & humidity
  • 219 mm monthly rainfall in August in Sanya219
    219 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Sanya11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Sanya29
    29°C sea temperature

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The August weather guide for China (Sanya) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Sanya in August?

Daytime temperatures usually reach 31°C in Sanya in August with high heat and humidity, falling to 25°C at night.

How sunny is it in Sanya in August?

There are normally 6 hours of bright sunshine each day in Sanya in August - that's 47% of daylight hours.

How warm is the sea around Sanya in August?

The average sea temperature around Sanya in August is 29°C.

Does it rain in Sanya in August?

There are usually 18 days with some rain in Sanya in August and the average monthly rainfall is 219mm.

What is the chance of a typhoon in Sanya in August?

On average 3.3 days in August in Sanya are likely to be affected by the passage of one or more tropical storms.

Sanya August sunrise & sunset times

Browse the sunrise and sunset times for Sanya in August 2025. Select a month to view Sanya sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:20 19:16
Saturday, 16th August 2025 06:24 19:08
Sunday, 31st August 2025 06:27 18:57

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