Bolton

What is the climate like in Bolton?

The best time to visit Bolton is typically May, the year's most comfortable month (6.0/10). Bolton is warmest in July, when daily highs average 68°F (20°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 44 in (1120 mm) of precipitation.

• Best time to visitMay — the year's comfort peak (6.0/10)
• Warmest monthJuly — average high 68°F (20°C)
• Coolest monthJanuary — average low 37°F (3°C)
• Wettest monthOctober (4.4 in (112 mm))
• Driest monthApril (2.4 in (61 mm))
• Annual precipitation44 in (1120 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPreston: Moor Park, 28 km away (1960-2026)