Greystones

What is the climate like in Greystones?

The best time to visit Greystones is typically August, the year's most comfortable month (6.0/10). Greystones is warmest in August, when daily highs average 63°F (17°C), and coolest in January, when lows fall to about 42°F (5°C). The wettest month is typically November and the driest is May; the year sees roughly 40 in (1024 mm) of precipitation.

• Best time to visitAugust — the year's comfort peak (6.0/10)
• Warmest monthAugust — average high 63°F (17°C)
• Coolest monthJanuary — average low 42°F (5°C)
• Wettest monthNovember (4.3 in (109 mm))
• Driest monthMay (2.3 in (58 mm))
• Annual precipitation40 in (1024 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromDublin Phoenix Park, 30 km away (1867-2026)