Best year time to visit Iau

General weather information about Iau

Average annual temperature is 18.8 °C

Absolute maximum temperature: 26.4 °C

Absolute minimum temperature: 10.8 °C

Number of sunny days: 42 days

Number of rainy days: 323 days

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* Weather data for Iau Papua New Guinea is based on climate observations for 2026 year

Iau air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)26.125.525.324.525.222.923.724.124.325.625.926.4
Average daytime temperature (°C)23.423.523.622.622.121.221.721.922.022.423.924.8
Average temperature (°C)19.419.419.318.918.918.118.017.317.918.819.420.1
Average night temperature (°C)16.816.716.316.416.715.815.614.315.416.516.617.1
Absolute minimum temperature (°C)15.815.315.115.014.612.612.010.811.512.814.215.2

Iau monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)12.012.012.012.011.011.011.011.012.012.012.012.0
Daylight mean duration (h)12.612.412.211.911.711.611.611.812.012.312.612.7
Daylight minimum duration (h)12.012.012.011.011.011.011.011.011.012.012.012.0
Sunshine mean duration (h)7.97.38.27.45.26.87.69.67.86.49.410.1
Precipitation (mm)27928122935246219912368244546122186
Sunny days0002269115241
Rainy days312831282924222025292630
Snow days000000000000

Iau - weather forecast by months

Iau weather in januaryIau weather in februaryIau weather in marchIau weather in aprilIau weather in mayIau weather in juneIau weather in julyIau weather in augustIau weather in septemberIau weather in octoberIau weather in novemberIau weather in december

Best time to visit Iau:

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

  • December — 10.1(h)

The largest precipitation sum in Iau is at

  • April — 352(mm)
  • May — 462(mm)
  • October — 546(mm)

    • Weather forecast in the closest to Iau admin centers

    Weather forecast in the closest towns to Iau

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    MapTrains schedule
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    Frequently asked questions

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