Climate almanac
Letterkenny
Ulster, Ireland · 54.95°, -7.73°
What is the weather like in Letterkenny in May?
In May, Letterkenny is typically 59°F (15°C) during the day and 46°F (8°C) at night. The month brings about 3.3 in (83 mm) of precipitation in total.
- Average high59°F (15°C)
- Average low46°F (8°C)
- Precipitation3.3 in (83 mm)
- Clear or mostly clear days4
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)