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October Weather in Callan, Ireland

Last updated: August 23, 2025

In Callan, Ireland, the average temperature in October hovers around 10°C (51°F), with a chilly minimum of -2°C (29°F) and a pleasant maximum of 18°C (66°F). Expect about 86 mm (3.4 in) of precipitation spread over 13 days, resulting in a high average humidity of 91%. Don't forget your umbrella!

October Temperature in Callan

In October in Callan, the average temperature is 10°C (51°F). Maximums can reach 18°C (66°F), while minimums can drop as low as -2°C (29°F). This means travelers should prepare for a mix of cool and mild weather, making it a great time to explore Callan with layers for comfort.

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

The chart illustrates October temperature patterns in Callan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Callan, October typically has an average temperature of 10°C (51°F), with highs reaching up to 18°C (66°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec424344475257615956504543
Data source: Temperature data for Callan 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 Callan

In Callan, in October, the precipitation amount is 86 mm (3.4 in) over the course of 13 days.

October Precipitation Trends in Callan

The chart displays monthly precipitation patterns in Callan, 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 Callan, October typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4994826367646393608687104
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Callan

In Callan 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 Callan

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

In Callan 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 Callan for better planning.

Maximum UV Index Levels in Callan for October

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

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

This table compares monthly weather conditions in Callan, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)49 mm (1.9 inches)88%low
February Weather6°C (43°F)94 mm (3.7 inches)88%low
March Weather6°C (44°F)82 mm (3.2 inches)87%moderate
April Weather8°C (47°F)63 mm (2.5 inches)86%moderate
May Weather11°C (52°F)67 mm (2.6 inches)83%high
June Weather14°C (58°F)64 mm (2.5 inches)83%very high
July Weather16°C (61°F)63 mm (2.5 inches)85%very high
August Weather15°C (59°F)93 mm (3.7 inches)85%high
September Weather13°C (56°F)60 mm (2.4 inches)88%moderate
October Weather10°C (51°F)86 mm (3.4 inches)91%moderate
November Weather7°C (46°F)87 mm (3.4 inches)92%low
December Weather6°C (44°F)104 mm (4.1 inches)89%low

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