Denver Weather by Month
Twelve months of Denver, United States weather — averages from 2006–2025.
Denver's warmest month is July (average high 30.9°C (87.6°F)) and the coolest is January (4.5°C (40.1°F)). The most rain falls in May (about 84 mm), and January is the driest (about 21 mm). June is the sunniest, with about 12.9 hours of sunshine a day.
Best months to visit Denver
Ranked within Denver's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Denver month by month
January
FairHigh 4.5°C (40.1°F)
Low -9.7°C (14.5°F)
- Rainfall
- 21 mm (0.8 in)
- Rainy days
- 5 rainy days
- Sunshine
- 8.3 h sunshine / day
February
FairHigh 5.7°C (42.3°F)
Low -9.3°C (15.3°F)
- Rainfall
- 27 mm (1.1 in)
- Rainy days
- 6 rainy days
- Sunshine
- 9.2 h sunshine / day
March
FairHigh 11.6°C (52.9°F)
Low -4.1°C (24.6°F)
- Rainfall
- 45 mm (1.8 in)
- Rainy days
- 7 rainy days
- Sunshine
- 10.2 h sunshine / day
April
GoodHigh 15.7°C (60.3°F)
Low 0.2°C (32.4°F)
- Rainfall
- 56 mm (2.2 in)
- Rainy days
- 9 rainy days
- Sunshine
- 10.9 h sunshine / day
May
GoodHigh 20.4°C (68.7°F)
Low 5.6°C (42.1°F)
- Rainfall
- 84 mm (3.3 in)
- Rainy days
- 12 rainy days
- Sunshine
- 11.8 h sunshine / day
June
GoodHigh 28.2°C (82.8°F)
Low 12.2°C (54°F)
- Rainfall
- 41 mm (1.6 in)
- Rainy days
- 7 rainy days
- Sunshine
- 12.9 h sunshine / day
July
GoodHigh 30.9°C (87.6°F)
Low 15.7°C (60.3°F)
- Rainfall
- 39 mm (1.5 in)
- Rainy days
- 7 rainy days
- Sunshine
- 12.9 h sunshine / day
August
GoodHigh 29.9°C (85.8°F)
Low 14.9°C (58.8°F)
- Rainfall
- 34 mm (1.3 in)
- Rainy days
- 6 rainy days
- Sunshine
- 12.3 h sunshine / day
September
GreatHigh 26.2°C (79.2°F)
Low 10.6°C (51.1°F)
- Rainfall
- 32 mm (1.2 in)
- Rainy days
- 5 rainy days
- Sunshine
- 11 h sunshine / day
October
GreatHigh 18.2°C (64.8°F)
Low 3.1°C (37.6°F)
- Rainfall
- 37 mm (1.4 in)
- Rainy days
- 6 rainy days
- Sunshine
- 9.6 h sunshine / day
November
FairHigh 11.4°C (52.5°F)
Low -3.2°C (26.2°F)
- Rainfall
- 21 mm (0.8 in)
- Rainy days
- 5 rainy days
- Sunshine
- 8.6 h sunshine / day
December
FairHigh 5.6°C (42.1°F)
Low -8.3°C (17.1°F)
- Rainfall
- 24 mm (0.9 in)
- Rainy days
- 5 rainy days
- Sunshine
- 7.8 h sunshine / day
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Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.