Arklow

What is the climate like in Arklow?

The best time to visit Arklow is typically July, the year's most comfortable month (6.3/10). Arklow is warmest in July, when daily highs average 66°F (19°C), and coolest in January, when lows fall to about 38°F (4°C). The wettest month is typically October and the driest is May; the year sees roughly 38 in (973 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (6.3/10)
• Warmest monthJuly — average high 66°F (19°C)
• Coolest monthJanuary — average low 38°F (4°C)
• Wettest monthOctober (4.0 in (102 mm))
• Driest monthMay (2.5 in (63 mm))
• Annual precipitation38 in (973 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromDublin Phoenix Park, 64 km away (1867-2026)