Roscommon

What is the weather like in Roscommon in January?

In January, Roscommon is typically 46°F (8°C) during the day and 38°F (3°C) at night. The month brings about 3.3 in (85 mm) of precipitation in total. Snowfall averages about 0.8 in (21 mm) over the month.

• Average high46°F (8°C)
• Average low38°F (3°C)
• Precipitation3.3 in (85 mm)
• Clear or mostly clear days2
• Snowfall0.8 in (21 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)