Best year time to visit Si’ini

General weather information about Si’ini

Average annual temperature is 26.0 °C

Absolute maximum temperature: 32.8 °C

Absolute minimum temperature: 19.1 °C

Number of sunny days: 36 days

Number of rainy days: 329 days

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* Weather data for Si’ini Papua New Guinea is based on climate observations for 2026 year

Si’ini air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)32.831.631.631.130.129.229.027.428.828.830.632.8
Average daytime temperature (°C)30.630.329.929.628.027.427.226.327.127.628.731.0
Average temperature (°C)27.527.026.926.626.025.624.923.924.825.326.027.3
Average night temperature (°C)25.124.724.524.424.523.822.821.822.723.523.624.3
Absolute minimum temperature (°C)23.923.823.423.523.021.819.319.219.120.520.622.2

Si’ini 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)12.612.412.211.911.611.511.611.812.012.312.612.7
Daylight minimum duration (h)12.012.012.011.011.011.011.011.011.012.012.012.0
Sunshine mean duration (h)10.18.69.79.46.78.48.68.69.08.810.711.0
Precipitation (mm)14325816121338916113497922566390
Sunny days724005225252
Rainy days242627303125292925292529
Snow days000000000000

Si’ini - weather forecast by months

Si’ini weather in januarySi’ini weather in februarySi’ini weather in marchSi’ini weather in aprilSi’ini weather in maySi’ini weather in juneSi’ini weather in julySi’ini weather in augustSi’ini weather in septemberSi’ini weather in octoberSi’ini weather in novemberSi’ini weather in december

Best time to visit Si’ini:

The largest precipitation sum in Si’ini is at

  • February — 258(mm)
  • May — 389(mm)
  • October — 256(mm)

    • Weather forecast in the closest to Si’ini admin centers

    Weather forecast in the closest towns to Si’ini

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    Frequently asked questions

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