Saint Marys

What is the climate like in Saint Marys?

The best time to visit Saint Marys is typically July, the year's most comfortable month (6.4/10). Saint Marys is warmest in July, when daily highs average 80°F (26°C), and coolest in January, when lows fall to about 20°F (-7°C). The wettest month is typically May and the driest is November; the year sees roughly 49 in (1255 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (6.4/10)
• Warmest monthJuly — average high 80°F (26°C)
• Coolest monthJanuary — average low 20°F (-7°C)
• Wettest monthMay (5.1 in (130 mm))
• Driest monthNovember (3.3 in (83 mm))
• Annual precipitation49 in (1255 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromRidgway, 16 km away (1913-2026)