Best year time to visit Hainan

General weather information about Hainan

Average annual temperature is 16.7 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: -7.6 °C

Number of sunny days: 179 days

Number of rainy days: 185 days

Number of snow days: 1 day

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* Weather data for Hainan China is based on climate observations for 2026 year

Hainan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.016.925.530.833.833.835.535.031.526.228.220.9
Average daytime temperature (°C)9.19.716.321.025.828.931.331.127.823.417.510.1
Average temperature (°C)4.55.911.216.021.024.728.227.324.418.712.55.4
Average night temperature (°C)0.02.27.312.117.321.426.024.321.714.98.41.4
Absolute minimum temperature (°C)-7.4-3.20.84.18.217.023.519.517.99.4-0.2-7.6

Hainan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.311.112.013.013.814.214.013.312.411.410.510.1
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.010.0
Sunshine mean duration (h)6.75.66.98.57.46.87.29.97.07.97.86.4
Precipitation (mm)53644847111267332184145334927
Sunny days2216211410112117192323
Rainy days812101621192920231278
Snow days100000000000

Hainan - weather forecast by months

Hainan weather in januaryHainan weather in februaryHainan weather in marchHainan weather in aprilHainan weather in mayHainan weather in juneHainan weather in julyHainan weather in augustHainan weather in septemberHainan weather in octoberHainan weather in novemberHainan weather in december

Best time to visit Hainan:

The best time to visit Hainan during the most sunny months:

  • August — 9.9(h)

The largest precipitation sum in Hainan is at

  • June — 267(mm)
  • July — 332(mm)
  • August — 184(mm)
  • September — 145(mm)

    • Weather forecast in the closest to Hainan admin centers

    Weather forecast in the closest towns to Hainan

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    Frequently asked questions

    When is the best time to visit Hainan?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Hainan.
    What is the weather like in Hainan?
    See average temperature, rainfall and daylight hours for Hainan by month in the table above.
    How many sunny days does Hainan have?
    The monthly weather statistics above show sunshine and rainfall patterns for Hainan throughout the year.