Best year time to visit Portlaoise

General weather information about Portlaoise

Average annual temperature is 10.7 °C

Absolute maximum temperature: 26.5 °C

Absolute minimum temperature: -3.0 °C

Number of sunny days: 82 days

Number of rainy days: 282 days

Number of snow days: 1 day

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* Weather data for Portlaoise Ireland is based on climate observations for 2026 year

Portlaoise air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.913.415.318.121.226.520.523.926.221.313.412.8
Average daytime temperature (°C)8.19.89.812.716.921.117.818.718.514.39.78.9
Average temperature (°C)5.77.26.98.912.816.614.715.314.811.17.37.0
Average night temperature (°C)3.54.74.25.28.612.111.612.311.38.14.94.9
Absolute minimum temperature (°C)-3.0-1.8-1.2-0.55.06.98.29.24.21.4-1.5-2.9

Portlaoise monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.014.016.016.016.015.013.011.09.07.0
Daylight mean duration (h)8.29.911.914.015.816.816.414.712.710.68.77.7
Daylight minimum duration (h)7.08.010.012.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)3.73.64.57.510.111.39.08.26.94.94.32.4
Precipitation (mm)8217121693366144981401455897
Sunny days911351510107696
Rainy days221728251620303123252025
Snow days000000000010

Portlaoise - weather forecast by months

Portlaoise weather in januaryPortlaoise weather in februaryPortlaoise weather in marchPortlaoise weather in aprilPortlaoise weather in mayPortlaoise weather in junePortlaoise weather in julyPortlaoise weather in augustPortlaoise weather in septemberPortlaoise weather in octoberPortlaoise weather in novemberPortlaoise weather in december

Best time to visit Portlaoise:

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

  • May — 10.1(h)
  • June — 11.3(h)
  • July — 9.0(h)
  • August — 8.2(h)

Months with the longest average daylight duration in Portlaoise:

  • May — 15.8(h)
  • June — 16.8(h)
  • July — 16.4(h)

The largest precipitation sum in Portlaoise is at

  • March — 121(mm)
  • July — 144(mm)
  • September — 140(mm)
  • October — 145(mm)

    • Weather forecast in the closest to Portlaoise admin centers

    Weather forecast in the closest towns to Portlaoise

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    Frequently asked questions

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