Sanya weather in May 2026

Expect daytime maximum temperatures of 90°F in Sanya, China in May and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 4.9 inches of rainfall in the month.

  • 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 81°F in Sanya in May with low heat and humidity, falling to 55°F at night.

How sunny is it in Sanya in May?

There are normally 9 hours of bright sunshine each day in Sanya in May - that's 65% of daylight hours.

Does it rain in Sanya in May?

There are usually 6 days with some rain in Sanya in May and the average monthly rainfall is 1.1 inches.

Sanya May sunrise & sunset times

Browse the sunrise and sunset times for Sanya in May 2026. Select a month to view Sanya sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 06:15 19:03
Saturday, 16th May 2026 06:08 19:08
Sunday, 31st May 2026 06:05 19:14

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