Sanya weather in May 2025

Expect 90°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Sanya in May. Check more long-term weather averages for Sanya in May before you book your next holiday to China in 2025/2026.

  • 90°F maximum daytime temperature in May in Sanya90
    90°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in May in Sanya11
    11 days with some rainfall
  • 77°F minimum night-time temperature in May in Sanya77
    77°F min night temperature
  • 13 hours of daylight per day in May in Sanya13
    13 hours of daylight per day
  • Very high heat & humidity in May in SanyaVH
    Very High heat & humidity
  • 4.9 inches monthly rainfall in May in Sanya4.9
    4.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Sanya11
    11+ (Extreme) UV index
  • 82°F sea temperature in May in Sanya82
    82°F sea temperature

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The May 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)  |  Imperial (°F)

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How hot is it in Sanya in May?

Daytime temperatures usually reach 90°F in Sanya in May with very high heat and humidity, falling to 77°F at night.

How sunny is it in Sanya in May?

There are normally 7 hours of bright sunshine each day in Sanya in May - that's 53% of daylight hours.

How warm is the sea around Sanya in May?

The average sea temperature around Sanya in May is 82°F.

Does it rain in Sanya in May?

There are usually 11 days with some rain in Sanya in May and the average monthly rainfall is 4.9 inches.

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

On average less than 1 day in May in Sanya is likely to be affected by the passage of one or more tropical storms.

Sanya May sunrise & sunset times

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


Date Sunrise times Sunset times
Thursday, 1st May 2025 06:15 19:03
Friday, 16th May 2025 06:08 19:08
Saturday, 31st May 2025 06:05 19:14

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