October Weather in Dublin, United States

Last updated: June 24, 2025

The average temperature in Dublin, United States during October is a comfortable 22°C (71°F). However, be prepared for a range as the temperature can drop to a minimum of 3°C (38°F) or soar up to a maximum of 37°C (99°F). Expect 91 mm (3.6 in) of precipitation spread over about 7 days, with an average humidity level of 78%.

October Temperature in Dublin

In October in Dublin, the average temperature is 22°C (71°F). Maximums can reach 37°C (99°F) and minimums can be as low as 3°C (38°F). This means it's a great time for travelers to experience a pleasant climate while being prepared for both warm and cooler conditions.

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 22°C (71°F), with highs reaching up to 37°C (99°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Dublin generated using information from the Copernicus Climate Change Service.

October Precipitation in Dublin

In Dublin in October, the precipitation amount is 91 mm (3.6 in) over a span of 7 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 91 mm (3.6 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Dublin

In Dublin in October humidity is 78%. With an average temperature of 22°C (71°F), this humidity feels like a warm, tropical embrace that can make even short walks feel sticky and intense, leaving travelers seeking shade and a refreshing drink to cool down.

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.

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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	92 mm (3.6 inches)	86%	moderate
February Weather	13°C (56°F)	116 mm (4.6 inches)	84%	high
March Weather	16°C (61°F)	74 mm (2.9 inches)	83%	very high
April Weather	19°C (67°F)	89 mm (3.5 inches)	81%	very high
May Weather	24°C (76°F)	86 mm (3.4 inches)	81%	extreme
June Weather	27°C (80°F)	108 mm (4.2 inches)	81%	extreme
July Weather	28°C (83°F)	105 mm (4.1 inches)	83%	extreme
August Weather	28°C (83°F)	99 mm (3.9 inches)	81%	extreme
September Weather	26°C (79°F)	107 mm (4.2 inches)	82%	very high
October Weather	22°C (71°F)	91 mm (3.6 inches)	78%	very high
November Weather	14°C (57°F)	58 mm (2.3 inches)	86%	high
December Weather	11°C (53°F)	121 mm (4.8 inches)	89%	moderate