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October Weather in Dublin, United States

Last updated: June 24, 2025

In Dublin, United States, the average temperature in October is a comfortable 14°C (58°F). However, be prepared for a range, as temperatures can dip as low as -1°C (30°F) or soar up to a sweltering 33°C (91°F). Expect approximately 100 mm (3.9 in) of precipitation spread over 12 days, giving the month a fairly humid atmosphere with an average humidity level of 76%. Stay prepared for varying weather!

October Temperature in Dublin

In October in Dublin, the average temperature is 14°C (58°F), with maximums reaching 33°C (91°F) and minimums dropping as low as -1°C (30°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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 14°C (58°F), with highs reaching up to 33°C (91°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec303442526472767369574136
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 100 mm (3.9 in) 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 100 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7910013310413611811588901009790
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 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
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-1°C (30°F)79 mm (3.1 inches)87%moderate
February Weather1°C (34°F)100 mm (3.9 inches)85%moderate
March Weather6°C (43°F)132 mm (5.2 inches)86%high
April Weather11°C (52°F)104 mm (4.1 inches)84%very high
May Weather18°C (64°F)136 mm (5.4 inches)79%very high
June Weather22°C (73°F)118 mm (4.6 inches)82%extreme
July Weather24°C (76°F)115 mm (4.5 inches)79%very high
August Weather23°C (73°F)88 mm (3.5 inches)70%very high
September Weather21°C (69°F)90 mm (3.5 inches)69%very high
October Weather14°C (58°F)100 mm (3.9 inches)76%high
November Weather5°C (42°F)97 mm (3.8 inches)88%moderate
December Weather2°C (36°F)90 mm (3.5 inches)87%moderate

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