Chambersburg

What is the climate like in Chambersburg?

The best time to visit Chambersburg is typically June – October, with trip comfort peaking in June (6.7/10). Chambersburg is warmest in July, when daily highs average 87°F (30°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically May and the driest is November; the year sees roughly 42 in (1079 mm) of precipitation.

• Best time to visitJune – October — comfort peaks in June (6.7/10)
• Warmest monthJuly — average high 87°F (30°C)
• Coolest monthJanuary — average low 26°F (-3°C)
• Wettest monthMay (4.6 in (117 mm))
• Driest monthNovember (2.8 in (71 mm))
• Annual precipitation42 in (1079 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromChambersburg 1 Ese, 2 km away (1894-2025)