Haikou weather in January 2026

Expect daytime maximum temperatures of 21°C in Haikou in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall.

  • 21°C maximum daytime temperature in January in Haikou21
    21°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in January in Haikou12
    12 days with some rainfall
  • 15°C minimum night-time temperature in January in Haikou15
    15°C min night temperature
  • 11 hours of daylight per day in January in Haikou11
    11 hours of daylight per day
  • No heat & humidity in January in Haikou0
    No heat & humidity
  • 23 mm monthly rainfall in January in Haikou23
    23 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Haikou8
    8 (Very High) UV index
  • 20°C sea temperature in January in Haikou20
    20°C sea temperature

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The January 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 January?

Daytime temperatures usually reach 21°C in Haikou in January, falling to 15°C at night.

How sunny is it in Haikou in January?

There are normally 4 hours of bright sunshine each day in Haikou in January - that's 37% of daylight hours.

How warm is the sea around Haikou in January?

The average sea temperature around Haikou in January is 20°C.

Does it rain in Haikou in January?

There are usually 12 days with some rain in Haikou in January and the average monthly rainfall is 23mm.

Haikou January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:14 18:10
Friday, 16th January 2026 07:16 18:20
Saturday, 31st January 2026 07:15 18:30

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