Best year time to visit Isiwan

General weather information about Isiwan

Average annual temperature is 23.2 °C

Absolute maximum temperature: 29.0 °C

Absolute minimum temperature: 18.0 °C

Number of sunny days: 83 days

Number of rainy days: 282 days

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* Weather data for Isiwan Vanuatu is based on climate observations for 2026 year

Isiwan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.328.828.429.027.224.924.523.423.825.824.727.3
Average daytime temperature (°C)27.126.826.327.124.923.021.621.122.222.823.325.2
Average temperature (°C)25.725.525.125.723.822.020.820.321.321.822.324.2
Average night temperature (°C)24.524.424.124.522.821.120.019.520.521.021.523.3
Absolute minimum temperature (°C)22.322.923.121.720.819.518.618.019.219.420.321.7

Isiwan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)13.012.012.011.011.011.011.011.012.012.013.013.0
Daylight mean duration (h)13.212.712.211.611.211.011.111.512.012.513.013.3
Daylight minimum duration (h)12.012.011.011.011.010.010.011.011.012.012.013.0
Sunshine mean duration (h)9.810.19.49.87.89.48.88.29.88.711.512.0
Precipitation (mm)2312943981231344879251861935534
Sunny days334107119759510
Rainy days282527202419222425222521
Snow days000000000000

Isiwan - weather forecast by months

Isiwan weather in januaryIsiwan weather in februaryIsiwan weather in marchIsiwan weather in aprilIsiwan weather in mayIsiwan weather in juneIsiwan weather in julyIsiwan weather in augustIsiwan weather in septemberIsiwan weather in octoberIsiwan weather in novemberIsiwan weather in december

Best time to visit Isiwan:

The largest precipitation sum in Isiwan is at

  • January — 231(mm)
  • February — 294(mm)
  • March — 398(mm)
  • August — 251(mm)

    • Weather forecast in the closest to Isiwan admin centers

    Weather forecast in the closest towns to Isiwan

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    Frequently asked questions

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