Big Timber enjoys January lows averaging 24°F and July highs around 85°F, with 16" of annual snowfall. At 4,091 feet in Sweet Grass County County, it benefits from Pacific-moderated weather patterns.
Let's be honest: Montana winters can be brutal. But not everywhere in the state gets hammered equally. Montana's western valleys, particularly along the Clark Fork and Bitterroot corridors, benefit from Pacific weather patterns that moderate winter temperatures. These towns offer the mildest Montana winters while still delivering four distinct seasons and plenty of sunshine.
How We Ranked These Towns
Ranked by a climate mildness score factoring in January average low temperature (higher is better, ×3), annual snowfall (lower is better, ×2), and July average high (moderate is best, ×1). Based on 5-year climate averages from Open-Meteo historical data.
Data last collected: Zillow Research (Jan 2026), U.S. Census ACS (Jan 2026), FBI UCR (Jan 2026), Montana OPI/NCES (Jan 2026), Montana DPHHS (Jan 2026), EPA NPL (Jan 2026). Rankings are updated when data is refreshed. Check individual town profiles for details.
