Portlaoise

What is the climate like in Portlaoise?

The best time to visit Portlaoise is typically July, the year's most comfortable month (6.2/10). Portlaoise is warmest in July, when daily highs average 66°F (19°C), and coolest in January, when lows fall to about 37°F (3°C). The wettest month is typically October and the driest is May; the year sees roughly 36 in (914 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (6.2/10)
• Warmest monthJuly — average high 66°F (19°C)
• Coolest monthJanuary — average low 37°F (3°C)
• Wettest monthOctober (3.6 in (90 mm))
• Driest monthMay (2.3 in (59 mm))
• Annual precipitation36 in (914 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromBirr, 39 km away (1954-2009)