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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 15°C (60°F), with the possibilities of dipping to a chilly 2°C (35°F) and soaring to a warm 34°C (94°F). Expect 105 mm (4.2 in) of precipitation over approximately 10 days, while the air holds a relatively high humidity level of 79%.

October Temperature in Dublin

In October in Dublin, the average temperature is 15°C (60°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 2°C (35°F). It's a great time for travelers to enjoy mild weather, but be prepared for fluctuations in temperature.

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 15°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787570604538
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 105 mm (4.2 in) over a span of 10 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 105 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec671081081051441041481559610584102
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 79%. With an average temperature of 15°C (60°F), this humidity feels like a warm, enveloping blanket that can make traveling feel muggy and a bit stifling, requiring frequent breaks to stay refreshed and hydrated.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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 Weather1°C (34°F)67 mm (2.6 inches)87%moderate
February Weather3°C (37°F)108 mm (4.3 inches)85%moderate
March Weather6°C (43°F)108 mm (4.3 inches)85%high
April Weather12°C (53°F)105 mm (4.1 inches)83%very high
May Weather17°C (63°F)144 mm (5.7 inches)75%very high
June Weather22°C (72°F)104 mm (4.1 inches)73%very high
July Weather25°C (78°F)148 mm (5.8 inches)65%very high
August Weather24°C (75°F)155 mm (6.1 inches)62%very high
September Weather21°C (70°F)96 mm (3.8 inches)66%very high
October Weather15°C (60°F)105 mm (4.2 inches)79%high
November Weather7°C (45°F)84 mm (3.3 inches)87%moderate
December Weather3°C (38°F)102 mm (4.0 inches)85%low

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