Denver, United StatesQuick decision
When to visit Denver?
🌞 Best time overall
September
🌡️ Optimal temperature
11°C–28°C in September
🌧 Least rain
14% rainy days in September
🌧 Wettest month
January (16%)
📅 Best score
9.2/10
By trip type
Best time by type of trip
Rocky MountainsJun–Sep — Rocky Mountain NP, Trail Ridge Road, alpine tundra.
Craft breweriesYear-round — 100+ breweries, RiNo district, Great Divide.
Skiing 2h awayDec–Apr — Breckenridge, Keystone, Vail accessible as day trips.
Art & Red RocksMay–Oct — Red Rocks amphitheater, Denver Art Museum, LoDo.
Monthly climate data
Denver weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | -8°C | 5°C | 16% | 0.7 | 9.0h | 4.9/10 |
| 🌫️ February | -9°C | 6°C | 19% | 0.9 | 9.9h | 5.2/10 |
| ⛅ March | -4°C | 12°C | 27% | 1.7 | 11.0h | 6.9/10 |
| ⛅ April | 1°C | 17°C | 27% | 1.5 | 12.0h | 7.2/10 |
| 🌤️ May | 6°C | 21°C | 40% | 2.8 | 13.1h | 7.6/10 |
| ☀️ June | 13°C | 29°C | 22% | 1.4 | 13.8h | 9.0/10 |
| ☀️ July | 16°C | 32°C | 23% | 1.0 | 13.5h | 8.2/10 |
| 🌤️ August | 15°C | 31°C | 25% | 1.2 | 12.6h | 8.2/10 |
| ☀️ September | 11°C | 28°C | 14% | 0.8 | 11.8h | 9.2/10 |
| 🌤️ October | 4°C | 21°C | 15% | 0.8 | 10.5h | 7.9/10 |
| ⛅ November | -2°C | 12°C | 14% | 0.6 | 9.4h | 7.0/10 |
| 🌫️ December | -5°C | 8°C | 12% | 0.5 | 8.8h | 5.8/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 17°C, 31% rainy days, 12.0h sunshine/day. Score: 7.2/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 31°C, 23% rainy days, 13.3h sunshine/day. Score: 8.5/10.
🍂 Autumn (Sep–Nov) — Good time
Average 20°C, 14% rainy days, 10.6h sunshine/day. Score: 8.0/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 6°C, 16% rainy days, 9.2h sunshine/day. Score: 5.3/10.
Accommodation
Find a place to stay in Denver
Check availability during the recommended period
Tip : March, April offer a good weather/price balance — decent score with fewer crowds.
Search on Hotels.comActivities & tours
Activities and tours in Denver
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Denver
Compare flights from all airlines.
Search flights
Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
September is ideal with 14% rainy days and 28°C.
January is the wettest month with 16% rainy days.
Yes, September is the best month with an average of 28°C.
In winter, the average score is 5.3/10. Difficult period — prefer the peak season.
Also explore
Destinations with similar climate
Georgia
RomaniaWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons