Helena Valley West Central

What is the climate like in Helena Valley West Central?

The best time to visit Helena Valley West Central is typically June – September, with trip comfort peaking in July (8.6/10). Helena Valley West Central is warmest in July, when daily highs average 85°F (30°C), and coolest in February, when lows fall to about 13°F (-11°C). The wettest month is typically May and the driest is August; the year sees roughly 18 in (450 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in July (8.6/10)
• Warmest monthJuly — average high 85°F (30°C)
• Coolest monthFebruary — average low 13°F (-11°C)
• Wettest monthMay (2.4 in (62 mm))
• Driest monthAugust (0.9 in (22 mm))
• Annual precipitation18 in (450 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromHelena AP Asos, 8 km away (1938-2026)