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October Weather in Cavan, Ireland

Last updated: August 23, 2025

In October, the average temperature in Cavan, Ireland is a cool 10°C (51°F), with minimums dipping to 0°C (32°F) and highs reaching up to 20°C (68°F). Be prepared for wet conditions, as 85 mm (3.3 in) of precipitation falls over 15 days. With an average humidity of 87%, it's a month where the air feels quite heavy—perfect for cozy indoor activities!

October Temperature in Cavan

In October, in Cavan, the average temperature is 10°C (51°F). Maximums can reach 20°C (68°F), and minimums can be as low as 0°C (32°F). It's a pleasant time to visit, so pack layers to enjoy both mild days and cooler nights.

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

The chart illustrates October temperature patterns in Cavan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cavan, October typically has an average temperature of 10°C (51°F), with highs reaching up to 20°C (68°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec424244475257605955504543
Data source: Temperature data for Cavan 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 Cavan

In Cavan in October, the total precipitation amount is 85 mm (3.3 in) spread over a period of 15 days.

October Precipitation Trends in Cavan

The chart displays monthly precipitation patterns in Cavan, 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 Cavan, October typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6196865270888212173858893
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Cavan

In Cavan 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 Cavan

This chart illustrates the average monthly humidity levels in Cavan, 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 Cavan 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 Cavan

In Cavan 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 Cavan, you can check the information here.

Maximum UV Index Levels in Cavan for October

The chart shows the monthly maximum UV Index (UVI) for Cavan 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 Cavan typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Cavan 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 Cavan Compares to Other Months

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

This table compares monthly weather conditions in Cavan, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)61 mm (2.4 inches)85%low
February Weather6°C (43°F)96 mm (3.8 inches)86%low
March Weather7°C (44°F)85 mm (3.4 inches)86%moderate
April Weather8°C (47°F)52 mm (2.0 inches)85%moderate
May Weather11°C (53°F)69 mm (2.7 inches)83%high
June Weather14°C (57°F)88 mm (3.5 inches)85%very high
July Weather16°C (60°F)81 mm (3.2 inches)86%very high
August Weather15°C (59°F)121 mm (4.8 inches)85%high
September Weather13°C (56°F)73 mm (2.9 inches)86%moderate
October Weather10°C (51°F)85 mm (3.3 inches)87%moderate
November Weather7°C (46°F)88 mm (3.5 inches)86%low
December Weather6°C (43°F)93 mm (3.7 inches)84%low

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