Best year time to visit Irwell

General weather information about Irwell

Average annual temperature is 12.7 °C

Absolute maximum temperature: 31.1 °C

Absolute minimum temperature: -1.4 °C

Number of sunny days: 164 days

Number of rainy days: 201 days

Look at detailed online map of Irwell

* Weather data for Irwell New Zealand is based on climate observations for 2026 year

Irwell air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.431.127.123.121.518.916.716.921.722.926.430.0
Average daytime temperature (°C)21.722.219.517.115.812.411.912.416.017.818.322.2
Average temperature (°C)17.417.715.213.312.19.27.77.211.112.213.316.4
Average night temperature (°C)14.314.211.710.49.26.64.13.27.58.19.512.7
Absolute minimum temperature (°C)10.58.46.64.42.50.1-0.1-1.42.41.44.67.9

Irwell monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)15.014.013.011.010.09.09.011.012.014.015.015.0
Daylight mean duration (h)15.013.812.410.99.69.09.310.411.813.314.615.4
Daylight minimum duration (h)14.013.011.010.09.08.08.09.011.012.014.015.0
Sunshine mean duration (h)11.09.88.17.75.34.56.27.57.710.010.810.2
Precipitation (mm)49851257270541262557456742
Sunny days16101214141591711161317
Rainy days151819161715221419151714
Snow days000000000000

Irwell - weather forecast by months

Irwell weather in januaryIrwell weather in februaryIrwell weather in marchIrwell weather in aprilIrwell weather in mayIrwell weather in juneIrwell weather in julyIrwell weather in augustIrwell weather in septemberIrwell weather in octoberIrwell weather in novemberIrwell weather in december

Best time to visit Irwell:

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

  • January — 11.0(h)
  • November — 10.8(h)

Months with the longest average daylight duration in Irwell:

  • December — 15.4(h)

The largest precipitation sum in Irwell is at

  • March — 125(mm)
  • July — 126(mm)

    • Weather forecast in the closest to Irwell admin centers

    Weather forecast in the closest towns to Irwell

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    Frequently asked questions

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