Dundalk Weather in October
October in Dundalk brings moderate temperatures, with daytime highs of 14°C (57°F) and nights around 8°C (46°F). Quite a bit of rainfall is expected, around 85 mm (3.3 in), so pack an umbrella.
Rainfall in Dundalk in October
On average, there are about 18 days with rain during this month, averaging 85 mm (3.3 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Dundalk in October
Daytime highs in Dundalk in October reach 14°C (57°F), with nights around 8°C (46°F). The difference between afternoon and evening temperatures is usually noticeable. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Dundalk in October
The area experiences limited sunny days, amounting to roughly 97 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Dundalk.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Dundalk's climate page.
Dundalk Temperature in October
Min Temperature
8°C (46°F)
Max Temperature
14°C (57°F)
Chance of Rain
61%
Precipitation
85 mm (3.3 in)
Rainy days
18 days
Humidity
75% *
Sunshine
97 hours *
Percentage Sunshine
31% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Dundalk typically stay consistent throughout October, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Dundalk in October
Browse day-by-day weather records for Dundalk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dundalk historical weather extremes in October
Based on weather observations in Dundalk between 1976 and 2025, these are the recorded extremes during October.
- Dundalk recorded its highest October temperature of 21°C (70°F) on October 7, 2023.
- The coldest October day was on October 28, 2008, with a maximum of 4°C (39°F).
- Nighttime temperatures dropped to -1°C (30°F) on October 15, 1981, marking the coldest October night on record.
- The wettest October day on record brought 42 mm (1.7 in) of precipitation to Dundalk (October 21, 1987).
Best Places in Ireland in October
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Dundalk in October
The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Dundalk in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Dundalk's climate page.
Temperature Rainfall Sunshine Humidity
See the full Dundalk climate overview or explore weather in Ireland.
