Denver, Colorado weather in March

Averages from 2021–2025 (155 days of record).

Average high: 52°F
Average low: 24°F
Rainy days: ~9 per month
Total precipitation: 2.0 in
Warmest recorded: 76°F
Coldest recorded: -7°F

Expect March days in Denver, Colorado to top out around 52°F and cool to about 24°F overnight, with roughly 9 days of measurable rain across the month. In recent years March has ranged from -7°F to 76°F.

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Current Denver, Colorado forecast → · Historical data by Open-Meteo (ERA5).