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October Weather in Dublin, United States

Last updated: June 24, 2025

In October, the average temperature in Dublin, United States hovers around 11°C (52°F). Be prepared for a temperature range where it can dip to a brisk -5°C (23°F) at its lowest and soar up to a warm 27°C (81°F). During this month, expect about 135 mm (5.3 in) of precipitation over 12 days, contributing to an average humidity of 78%.

October Temperature in Dublin

In October in Dublin, the average temperature is 11°C (52°F), with maximums reaching 27°C (81°F) and minimums dipping as low as -5°C (23°F). Therefore, travelers should be prepared for a wide range of weather conditions during their visit.

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

The chart illustrates October temperature patterns in Dublin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dublin, October typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733455667727063513728
Data source: Temperature data for Dublin 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 Dublin

In Dublin in October, the precipitation amount is 135 mm (5.3 in), occurring over the course of 12 days.

October Precipitation Trends in Dublin

The chart displays monthly precipitation patterns in Dublin, 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 Dublin, October typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec748881130868914010187135104120
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Dublin

In Dublin in October humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.

October Average Humidity in Dublin

This chart illustrates the average monthly humidity levels in Dublin, 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 Dublin is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Dublin

In Dublin in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Dublin, you can refer to this Hourly UV Index in Dublin.

Maximum UV Index Levels in Dublin for October

The chart shows the monthly maximum UV Index (UVI) for Dublin 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 Dublin typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
Data source: Dublin 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 Dublin Compares to Other Months

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

This table compares monthly weather conditions in Dublin, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)74 mm (2.9 inches)86%moderate
February Weather-3°C (27°F)88 mm (3.5 inches)84%moderate
March Weather0°C (33°F)81 mm (3.2 inches)82%high
April Weather7°C (45°F)130 mm (5.1 inches)80%very high
May Weather14°C (57°F)86 mm (3.4 inches)72%very high
June Weather19°C (67°F)89 mm (3.5 inches)72%very high
July Weather22°C (72°F)140 mm (5.5 inches)67%very high
August Weather21°C (70°F)101 mm (4.0 inches)66%very high
September Weather17°C (63°F)87 mm (3.4 inches)71%high
October Weather11°C (52°F)135 mm (5.3 inches)78%high
November Weather3°C (37°F)104 mm (4.1 inches)84%moderate
December Weather-2°C (28°F)120 mm (4.7 inches)81%low

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