Denver, Colorado weather in June

Averages from 2021–2025 (150 days of record).

Average high: 84°F
Average low: 55°F
Rainy days: ~8 per month
Total precipitation: 2.1 in
Warmest recorded: 102°F
Coldest recorded: 40°F

Expect June days in Denver, Colorado to top out around 84°F and cool to about 55°F overnight, with roughly 8 days of measurable rain across the month. In recent years June has ranged from 40°F to 102°F.

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