Cosham

What is the climate like in Cosham?

The best time to visit Cosham is typically June – August, with trip comfort peaking in July (7.2/10). Cosham is warmest in August, when daily highs average 68°F (20°C), and coolest in January, when lows fall to about 41°F (5°C). The wettest month is typically October and the driest is April; the year sees roughly 36 in (906 mm) of precipitation.

• Best time to visitJune – August — comfort peaks in July (7.2/10)
• Warmest monthAugust — average high 68°F (20°C)
• Coolest monthJanuary — average low 41°F (5°C)
• Wettest monthOctober (4.3 in (109 mm))
• Driest monthApril (1.8 in (45 mm))
• Annual precipitation36 in (906 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWight St Catherines Point, 34 km away (2013-2026)