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October Weather in Castleisland, Ireland

Last updated: August 23, 2025

In October, the average temperature in Castleisland, Ireland hovers around 10°C (51°F). Expect a chilly minimum of 0°C (32°F) and a pleasant maximum of 18°C (64°F). During this time, the area experiences 109 mm (4.3 in) of precipitation over approximately 17 days, with an average humidity level of a rather high 91%. Prepare accordingly for a mix of cool air and damp days!

October Temperature in Castleisland

In October, in Castleisland, the average temperature is 10°C (51°F). The maximum can reach 18°C (64°F) and the minimum can be as low as 0°C (32°F). It's a great time to pack layers and enjoy outdoor activities while experiencing the mild weather.

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

The chart illustrates October temperature patterns in Castleisland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castleisland, October typically has an average temperature of 10°C (51°F), with highs reaching up to 18°C (64°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec434444485256595956514645
Data source: Temperature data for Castleisland 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 Castleisland

In Castleisland in October, the precipitation amount is 109 mm (4.3 in), occurring over the course of 17 days.

October Precipitation Trends in Castleisland

The chart displays monthly precipitation patterns in Castleisland, 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 Castleisland, October typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec74118104656964681148010996126
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Castleisland

In Castleisland in October, humidity is 91%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortable and leaving you yearning for warm, dry shelter.

October Average Humidity in Castleisland

This chart illustrates the average monthly humidity levels in Castleisland, 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 Castleisland is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%86%83%83%85%85%88%91%92%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Castleisland

In Castleisland in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Castleisland for better planning.

Maximum UV Index Levels in Castleisland for October

The chart shows the monthly maximum UV Index (UVI) for Castleisland 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 Castleisland typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678875421
Data source: Castleisland 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 Castleisland Compares to Other Months

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

This table compares monthly weather conditions in Castleisland, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)74 mm (2.9 inches)88%low
February Weather7°C (44°F)118 mm (4.6 inches)88%low
March Weather7°C (44°F)104 mm (4.1 inches)87%moderate
April Weather9°C (48°F)65 mm (2.6 inches)86%high
May Weather11°C (52°F)69 mm (2.7 inches)83%high
June Weather13°C (57°F)64 mm (2.5 inches)83%very high
July Weather15°C (60°F)68 mm (2.7 inches)85%very high
August Weather15°C (59°F)114 mm (4.5 inches)85%high
September Weather13°C (56°F)80 mm (3.2 inches)88%moderate
October Weather10°C (51°F)109 mm (4.3 inches)91%moderate
November Weather8°C (47°F)96 mm (3.8 inches)92%low
December Weather7°C (45°F)126 mm (5.0 inches)89%low

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