Lewistown

What is the climate like in Lewistown?

The best time to visit Lewistown is typically July, the year's most comfortable month (6.6/10). Lewistown is warmest in July, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically May and the driest is November; the year sees roughly 45 in (1136 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (6.6/10)
• Warmest monthJuly — average high 86°F (30°C)
• Coolest monthJanuary — average low 25°F (-4°C)
• Wettest monthMay (4.6 in (117 mm))
• Driest monthNovember (2.8 in (72 mm))
• Annual precipitation45 in (1136 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromLewistown, 1 km away (1938-2026)