Portarlington

What is the climate like in Portarlington?

The best time to visit Portarlington is typically July, the year's most comfortable month (6.1/10). Portarlington is warmest in July, when daily highs average 67°F (19°C), and coolest in January, when lows fall to about 38°F (3°C). The wettest month is typically September and the driest is May; the year sees roughly 36 in (924 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (6.1/10)
• Warmest monthJuly — average high 67°F (19°C)
• Coolest monthJanuary — average low 38°F (3°C)
• Wettest monthSeptember (3.4 in (87 mm))
• Driest monthMay (2.5 in (64 mm))
• Annual precipitation36 in (924 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromBirr, 46 km away (1954-2009)