Climate almanac
Castlebar
Connacht, Ireland · 53.85°, -9.30°
What is the weather like in Castlebar in August?
In August, Castlebar is typically 64°F (18°C) during the day and 54°F (12°C) at night. The month brings about 4.7 in (120 mm) of precipitation in total.
- Average high64°F (18°C)
- Average low54°F (12°C)
- Precipitation4.7 in (120 mm)
- Clear or mostly clear days1
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)