Runcorn

What is the climate like in Runcorn?

The best time to visit Runcorn is typically August, the year's most comfortable month (6.2/10). Runcorn is warmest in July, when daily highs average 69°F (20°C), and coolest in January, when lows fall to about 37°F (3°C). The wettest month is typically September and the driest is April; the year sees roughly 39 in (987 mm) of precipitation.

• Best time to visitAugust — the year's comfort peak (6.2/10)
• Warmest monthJuly — average high 69°F (20°C)
• Coolest monthJanuary — average low 37°F (3°C)
• Wettest monthSeptember (4.0 in (101 mm))
• Driest monthApril (2.3 in (59 mm))
• Annual precipitation39 in (987 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPreston: Moor Park, 48 km away (1960-2026)