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October Weather in Portlaoise, Ireland

Last updated: August 23, 2025

In Portlaoise, Ireland, the average temperature in October hovers around 10°C (51°F), with a minimum dipping to -2°C (28°F) and a maximum reaching 19°C (67°F). This month sees about 87 mm (3.4 in) of precipitation spread over 15 days, resulting in an average humidity level of 87%. Prepare for a typically damp and cool atmosphere!

October Temperature in Portlaoise

In October in Portlaoise, the average temperature is 10°C (51°F). The maximum can reach 19°C (67°F), while the minimum can drop as low as -2°C (28°F). Be sure to pack layers to stay comfortable during your travels!

October Weather in Portlaoise: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Portlaoise, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portlaoise, October typically has an average temperature of 10°C (51°F), with highs reaching up to 19°C (67°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344475358615956514643
Data source: Temperature data for Portlaoise generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Portlaoise

In Portlaoise in October, the precipitation amount is 87 mm (3.4 in) over the course of 15 days.

October Precipitation Trends in Portlaoise

The chart displays monthly precipitation patterns in Portlaoise, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Portlaoise, October typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec568881506668699466888498
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Portlaoise

In Portlaoise in October humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

October Average Humidity in Portlaoise

This chart illustrates the average monthly humidity levels in Portlaoise, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Portlaoise is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Portlaoise

In Portlaoise in October, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Portlaoise, you can check the information here.

Maximum UV Index Levels in Portlaoise for October

The chart shows the monthly maximum UV Index (UVI) for Portlaoise in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Portlaoise typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Portlaoise October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Portlaoise Compares to Other Months

Weather in Portlaoise varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Portlaoise, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Portlaoise, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)56 mm (2.2 inches)85%low
February Weather6°C (43°F)88 mm (3.4 inches)86%low
March Weather7°C (44°F)81 mm (3.2 inches)86%moderate
April Weather9°C (48°F)50 mm (2.0 inches)85%moderate
May Weather11°C (53°F)66 mm (2.6 inches)83%high
June Weather14°C (58°F)68 mm (2.7 inches)85%very high
July Weather16°C (61°F)69 mm (2.7 inches)86%very high
August Weather15°C (60°F)94 mm (3.7 inches)85%high
September Weather13°C (56°F)66 mm (2.6 inches)86%moderate
October Weather10°C (51°F)87 mm (3.4 inches)87%moderate
November Weather8°C (46°F)84 mm (3.3 inches)86%low
December Weather6°C (44°F)98 mm (3.8 inches)84%low

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