Climate almanac
Portarlington
Leinster, Ireland · 53.16°, -7.19°
What is the weather like in Portarlington in December?
In December, Portarlington is typically 48°F (9°C) during the day and 40°F (4°C) at night. The month brings about 3.4 in (86 mm) of precipitation in total. Snowfall averages about 0.5 in (13 mm) over the month.
- Average high48°F (9°C)
- Average low40°F (4°C)
- Precipitation3.4 in (86 mm)
- Clear or mostly clear days2
- Snowfall0.5 in (13 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)