Killarney

What is the climate like in Killarney?

The best time to visit Killarney is typically November – May, with trip comfort peaking in February (8.1/10). Killarney is warmest in August, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 72°F (22°C). The wettest month is typically October and the driest is February; the year sees roughly 40 in (1012 mm) of precipitation.

• Best time to visitNovember – May — comfort peaks in February (8.1/10)
• Warmest monthAugust — average high 84°F (29°C)
• Coolest monthJanuary — average low 72°F (22°C)
• Wettest monthOctober (6.1 in (155 mm))
• Driest monthFebruary (1.5 in (38 mm))
• Annual precipitation40 in (1012 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromNassau Airport New, 5 km away (1961-2025)