Castletroy

What is the climate like in Castletroy?

The best time to visit Castletroy is typically July, the year's most comfortable month (5.8/10). Castletroy 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 April; the year sees roughly 44 in (1117 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (5.8/10)
• Warmest monthJuly — average high 66°F (19°C)
• Coolest monthJanuary — average low 37°F (3°C)
• Wettest monthOctober (4.3 in (109 mm))
• Driest monthApril (2.7 in (69 mm))
• Annual precipitation44 in (1117 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromShannon, 25 km away (1974-2025)