Haikou weather in April 2025

Expect 29°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Haikou in April. Check more long-term weather averages for Haikou in April before you book your next holiday to China in 2025/2026.

  • 29°C maximum daytime temperature in April in Haikou29
    29°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in April in Haikou12
    12 days with some rainfall
  • 22°C minimum night-time temperature in April in Haikou22
    22°C min night temperature
  • 13 hours of daylight per day in April in Haikou13
    13 hours of daylight per day
  • High heat & humidity in April in HaikouH
    High heat & humidity
  • 101 mm monthly rainfall in April in Haikou101
    101 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Haikou11
    11+ (Extreme) UV index
  • 24°C sea temperature in April in Haikou24
    24°C sea temperature

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The April 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 April?

Daytime temperatures usually reach 29°C in Haikou in April with high heat and humidity, falling to 22°C at night.

How sunny is it in Haikou in April?

There are normally 5 hours of bright sunshine each day in Haikou in April - that's 42% of daylight hours.

How warm is the sea around Haikou in April?

The average sea temperature around Haikou in April is 24°C.

Does it rain in Haikou in April?

There are usually 12 days with some rain in Haikou in April and the average monthly rainfall is 101mm.

Haikou April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:32 18:53
Tuesday, 15th April 2025 06:21 18:57
Wednesday, 30th April 2025 06:10 19:02

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