Climate almanac
Castlebar
Connacht, Ireland · 53.85°, -9.30°
What is the weather like in Castlebar in January?
In January, Castlebar is typically 46°F (8°C) during the day and 38°F (4°C) at night. The month brings about 4.0 in (102 mm) of precipitation in total. Snowfall averages about 1.0 in (24 mm) over the month.
- Average high46°F (8°C)
- Average low38°F (4°C)
- Precipitation4.0 in (102 mm)
- Clear or mostly clear days2
- Snowfall1.0 in (24 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)