Lewistown

What is the climate like in Lewistown?

The best time to visit Lewistown is typically July – September, with trip comfort peaking in August (8.4/10). Lewistown is warmest in July, when daily highs average 83°F (28°C), and coolest in February, when lows fall to about 14°F (-10°C). The wettest month is typically June and the driest is November; the year sees roughly 24 in (602 mm) of precipitation.

• Best time to visitJuly – September — comfort peaks in August (8.4/10)
• Warmest monthJuly — average high 83°F (28°C)
• Coolest monthFebruary — average low 14°F (-10°C)
• Wettest monthJune (3.7 in (93 mm))
• Driest monthNovember (1.2 in (30 mm))
• Annual precipitation24 in (602 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromLewistown AP, 2 km away (1896-2026)