Haikou weather in October 2025

Expect 28°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Haikou in October. Check more long-term weather averages for Haikou in October before you book your next holiday to China in 2025/2026.

  • 28°C maximum daytime temperature in October in Haikou28
    28°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in October in Haikou14
    14 days with some rainfall
  • 22°C minimum night-time temperature in October in Haikou22
    22°C min night temperature
  • 12 hours of daylight per day in October in Haikou12
    12 hours of daylight per day
  • Moderate heat & humidity in October in HaikouM
    Moderate heat & humidity
  • 180 mm monthly rainfall in October in Haikou180
    180 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in Haikou10
    10 (Very High) UV index
  • 27°C sea temperature in October in Haikou27
    27°C sea temperature

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The October weather guide for China (Haikou) 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 Haikou in October?

Daytime temperatures usually reach 28°C in Haikou in October with moderate heat and humidity, falling to 22°C at night.

How sunny is it in Haikou in October?

There are normally 6 hours of bright sunshine each day in Haikou in October - that's 52% of daylight hours.

How warm is the sea around Haikou in October?

The average sea temperature around Haikou in October is 27°C.

Does it rain in Haikou in October?

There are usually 14 days with some rain in Haikou in October and the average monthly rainfall is 180mm.

What is the chance of a typhoon in Haikou in October?

On average 2 days in October in Haikou are likely to be affected by the passage of one or more tropical storms.

Haikou October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:29 18:27
Thursday, 16th October 2025 06:34 18:14
Friday, 31st October 2025 06:40 18:05

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