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October Weather in Grenagh, Ireland

Last updated: August 23, 2025

In October, the average temperature in Grenagh, Ireland is a crisp 11°C (52°F). Expect minimums dropping to 0°C (33°F) and maximums reaching up to 18°C (64°F). During this month, precipitation amounts to 95 mm (3.7 in) over 13 days, making it a relatively wet period. Additionally, with an average humidity of 86%, you might want to prepare for a damp and chilly experience as you explore this location!

October Temperature in Grenagh

In October in Grenagh, the average temperature is 11°C (52°F). Maximums can reach 18°C (64°F), while minimums can drop as low as 0°C (33°F). This weather makes it a great time for exploring the outdoors, so be prepared for a mix of mild days and chilly evenings.

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

The chart illustrates October temperature patterns in Grenagh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grenagh, October typically has an average temperature of 11°C (52°F), with highs reaching up to 18°C (64°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec434444485257615956514645
Data source: Temperature data for Grenagh 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 Grenagh

In Grenagh in October, the precipitation amount is 95 mm (3.7 in) over the course of 13 days.

October Precipitation Trends in Grenagh

The chart displays monthly precipitation patterns in Grenagh, 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 Grenagh, October typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec56101837274606389699580103
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grenagh

In Grenagh in October humidity is 86%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek sheltered spots or indoor attractions to escape the uncomfortable dampness.

October Average Humidity in Grenagh

This chart illustrates the average monthly humidity levels in Grenagh, 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 Grenagh is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%84%84%84%85%85%84%85%86%84%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grenagh

In Grenagh 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 Grenagh for better planning.

Maximum UV Index Levels in Grenagh for October

The chart shows the monthly maximum UV Index (UVI) for Grenagh 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 Grenagh typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Grenagh 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 Grenagh Compares to Other Months

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

This table compares monthly weather conditions in Grenagh, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)55 mm (2.2 inches)83%low
February Weather7°C (44°F)101 mm (4.0 inches)85%low
March Weather7°C (44°F)83 mm (3.3 inches)84%moderate
April Weather9°C (48°F)72 mm (2.8 inches)84%moderate
May Weather11°C (52°F)74 mm (2.9 inches)84%high
June Weather14°C (57°F)60 mm (2.4 inches)85%very high
July Weather16°C (61°F)63 mm (2.5 inches)85%very high
August Weather15°C (60°F)89 mm (3.5 inches)84%high
September Weather13°C (57°F)69 mm (2.7 inches)85%moderate
October Weather11°C (52°F)95 mm (3.7 inches)86%moderate
November Weather8°C (47°F)79 mm (3.1 inches)84%low
December Weather7°C (45°F)103 mm (4.1 inches)83%low

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