Weather in Dublin in October 2025
Average weather
Average temperature in Dublin in October
The temperature in October is +15°C on average, with a range between a maximum of +23°C during the day and a minimum of +3°C at night.
The average maximum temperature goes down 35% by the end of the month, compared with the beginning of the month, from +19°C to +12°C.
Is Dublin warm or cold in October?
Dublin is typically mild in October.
Maximum temperatures go down compared to the previous month from +17°C to +14°C. The minimum temperature also goes down from +11°C to +9°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Dublin:
Water temperature in Dublin in October
Water in Dublin in October is Cold. It varies from +13°C to +15°C, with an average of +14°C. This is almost similar to the air temperature, which averages +14°C.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Dublin in October?
Climate in Dublin in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +17°C | +14°C | +11°C | ||||
| Min. temperature | ||||||
| +1°C | -4°C | -5°C | ||||
| Max. temperature | ||||||
| +27°C | +23°C | +18°C | ||||
| Rainfall | ||||||
| 72 mm | 82 mm | 76 mm | ||||
| Wind | ||||||
| 4 m/s | 5 m/s | 5 m/s | ||||
| Avg. water temperature | ||||||
| +15°C | +14°C | +13°C | ||||
| Humidity | ||||||
| 81% | 83% | 85% | ||||
| Air pressure | ||||||
| 1013 HPa | 1010 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 1 | ||||
| Cloudy days | ||||||
| 11 | 11 | 11 | ||||
| Rainy days | ||||||
| 18 | 19 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +17°C in the day, the average maximum temperature lowers to +14°C. Prepare for more rain. Average rainfall goes from 72 mm to 82 mm. Humidity rises from 81% to 83%. Winds are stronger in comparison to September, going up from 4 m/s to 5 m/s on average. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Dublin is gradually decreasing during October, going from 5 m/s to 4 m/s over the course of the month.
Rain
How was the weather last October in Dublin?
Climate Change over Years
The climate in Dublin in October has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+12°C) and the highest in 2023 (+15°C). The driest year was 1991 with only 627 mm of rainfall, and the wettest year was 2013 with 15853 mm.
FAQ
Is October a good time to visit Dublin?
Can you sunbathe in Dublin in October?
Can you swim in Dublin in October?
Is Dublin rainy in October?
Is it sunny in Dublin in October?
Other cities in Ireland
Monthly weather in Dublin
Source of the data
For this page, we’ve looked at the typical weather in Dublin, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.