Climate almanac
Castletroy
Munster, Ireland · 52.67°, -8.55°
What is the weather like in Castletroy in December?
In December, Castletroy is typically 48°F (9°C) during the day and 40°F (4°C) at night. The month brings about 4.2 in (105 mm) of precipitation in total. Snowfall averages about 0.2 in (6 mm) over the month.
- Average high48°F (9°C)
- Average low40°F (4°C)
- Precipitation4.2 in (105 mm)
- Clear or mostly clear days3
- Snowfall0.2 in (6 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)