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Portlaoise Climate by Month

The temperature in Portlaoise can vary quite a bit throughout the year. Temperatures can be pleasant during the warmest months, and cold during the cooler months. It receives a reasonable amount of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

Visitors to Portlaoise can expect significant temperature changes throughout the year. Average daytime temperatures reach a pleasant 20°C in July. In February, the coolest month of the year, temperatures drop to a chilly 9°C. At night, expect cooler temperatures, averaging 3°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Portlaoise experiences moderate precipitation patterns, averaging 929 mm yearly. Despite minor fluctuations, Portlaoise enjoys fairly consistent precipitation throughout the year. In November, you can expect around 85 mm of precipitation, while in March, Portlaoise receives about 68 mm.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Portlaoise in Ireland

Other facts from our historical weather data:
  • Which is the warmest month in Portlaoise?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Portlaoise?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Portlaoise?
    November tops the wettest month list with 85 mm of rainfall.
  • Which is the driest month in Portlaoise?
    March is the driest month with 68 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Portlaoise

    Thu   Dec 12
    5°C | 2°C
    NE 4 km/h
    overcast and no rain

    overcast and no rain

    Fri   Dec 13
    5°C | 1°C
    W 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Dec 14
    9°C | 1°C
    W 14 km/h
    overcast and no rain

    overcast and no rain