Johnstown

What is the climate like in Johnstown?

The best time to visit Johnstown is typically August, the year's most comfortable month (6.4/10). Johnstown is warmest in July, when daily highs average 80°F (27°C), and coolest in January, when lows fall to about 22°F (-6°C). The wettest month is typically May and the driest is November; the year sees roughly 54 in (1359 mm) of precipitation.

• Best time to visitAugust — the year's comfort peak (6.4/10)
• Warmest monthJuly — average high 80°F (27°C)
• Coolest monthJanuary — average low 22°F (-6°C)
• Wettest monthMay (6.2 in (159 mm))
• Driest monthNovember (3.4 in (85 mm))
• Annual precipitation54 in (1359 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromJohnstown Cambria Co AP, 8 km away (2000-2026)