What to Wear in Denver
Denver has 300+ sunny days per year, dry air, and dramatic temperature swings. A 70°F afternoon can drop to 30°F at sundown. The altitude (5,280 ft) intensifies UV. Winter snow can melt to mud the next day. The right wardrobe is built around layers and rapid weather change.
Winter in Denver
December through March. 30-50°F days, 15-30°F nights. Snow followed by sun. Layered system: merino base, fleece, insulated jacket. Quality boots for snow and dry days.
Spring in Denver
April through May. 55-75°F. Often warm afternoons, cool mornings. May snow events do happen.
Summer in Denver
June through August. 80-95°F days, 55-65°F nights. Dry. Linen or lightweight cotton, sun protection (UV is intense at altitude).
Fall in Denver
September through November. 50-75°F transitioning to cold. Aspens turn gold. Layered system returns.
Local tips
Dry air means cold feels less cold than equivalent humid weather. Sunburn is a year-round risk at altitude. Always carry sunglasses and SPF lip balm. Temperature swings of 30°F in a day are normal — dress for the worst of your day.