Best year time to visit Ulum

General weather information about Ulum

Average annual temperature is 20.7 °C

Absolute maximum temperature: 27.8 °C

Absolute minimum temperature: 13.5 °C

Number of sunny days: 12 days

Number of rainy days: 353 days

Look at detailed online map of Ulum

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

Ulum air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)26.727.227.226.725.325.326.224.526.725.127.827.1
Average daytime temperature (°C)25.125.124.824.323.323.323.221.923.123.424.725.4
Average temperature (°C)21.721.821.220.820.720.319.919.319.920.420.821.6
Average night temperature (°C)18.419.118.117.618.317.817.117.317.318.017.218.2
Absolute minimum temperature (°C)16.817.616.016.216.413.713.513.513.914.714.115.7

Ulum 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)12.512.412.111.911.811.711.711.912.112.312.512.6
Daylight minimum duration (h)12.012.012.011.011.011.011.011.011.012.012.012.0
Sunshine mean duration (h)7.67.17.68.05.47.18.27.68.38.09.110.2
Precipitation (mm)209228380248444371170300289445239143
Sunny days120100211211
Rainy days302631293130293029292930
Snow days000000000000

Ulum - weather forecast by months

Ulum weather in januaryUlum weather in februaryUlum weather in marchUlum weather in aprilUlum weather in mayUlum weather in juneUlum weather in julyUlum weather in augustUlum weather in septemberUlum weather in octoberUlum weather in novemberUlum weather in december

Best time to visit Ulum:

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

  • December — 10.2(h)

The largest precipitation sum in Ulum is at

  • March — 380(mm)
  • May — 444(mm)
  • June — 371(mm)
  • October — 445(mm)

    • Weather forecast in the closest to Ulum admin centers

    Weather forecast in the closest towns to Ulum

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    Frequently asked questions

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