Climate almanac
Letterkenny
Ulster, Ireland · 54.95°, -7.73°
What is the weather like in Letterkenny in October?
In October, Letterkenny is typically 55°F (13°C) during the day and 47°F (8°C) at night. The month brings about 4.9 in (124 mm) of precipitation in total.
- Average high55°F (13°C)
- Average low47°F (8°C)
- Precipitation4.9 in (124 mm)
- Clear or mostly clear days2
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)