Horsham

What is the climate like in Horsham?

The best time to visit Horsham is typically June – August, with trip comfort peaking in July (7.3/10). Horsham is warmest in July, when daily highs average 71°F (22°C), and coolest in January, when lows fall to about 37°F (3°C). The wettest month is typically October and the driest is April; the year sees roughly 30 in (769 mm) of precipitation.

• Best time to visitJune – August — comfort peaks in July (7.3/10)
• Warmest monthJuly — average high 71°F (22°C)
• Coolest monthJanuary — average low 37°F (3°C)
• Wettest monthOctober (3.2 in (82 mm))
• Driest monthApril (1.8 in (47 mm))
• Annual precipitation30 in (769 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromHeathrow, 47 km away (1973-2025)