City in Colorado, United States
Denver weather by month and the best time to visit
When to go to Denver
Sep–Oct is dry and sunny with fall color; late spring and early summer are warm. Summer storms are brief; Dec–Mar suits skiing; wildfire smoke is possible in summer.
Denver weather by month
Average daily high, rainfall and conditions.
- Jan7°17 mm
- Feb8°21 mm
- Mar13°34 mm
- Apr18°51 mm
- May24°58 mm
- Jun31°42 mm
- Jul33°62 mm
- Aug31°52 mm
- Sep27°36 mm
- Oct20°30 mm
- Nov13°18 mm
- Dec7°19 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 7°C45°F | -5°C24°F | 17 mm | 55% | Cold |
| February | 8°C46°F | -5°C24°F | 21 mm | 56% | Cold |
| March | 13°C56°F | -1°C30°F | 34 mm | 52% | Cool |
| April | 18°C64°F | 2°C36°F | 51 mm | 50% | Pleasant |
| May | 24°C74°F | 7°C45°F | 58 mm | 48% | Pleasant |
| June | 31°C88°F | 14°C57°F | 42 mm | 41% | Pleasant |
| July | 33°C92°F | 18°C64°F | 62 mm | 45% | Hot |
| August | 31°C88°F | 16°C61°F | 52 mm | 46% | Pleasant |
| September | 27°C81°F | 11°C52°F | 36 mm | 44% | Pleasant |
| October | 20°C67°F | 4°C39°F | 30 mm | 48% | Pleasant |
| November | 13°C55°F | -1°C30°F | 18 mm | 51% | Cool |
| December | 7°C44°F | -5°C23°F | 19 mm | 56% | Cold |
Best months across United States
| Place | Best months | Warmest month |
|---|---|---|
| New York City | Apr–Jun, Sep–Oct | Jul (26°C) |
| Las Vegas | Mar–May, Oct–Nov | Jul (42°C) |
| Los Angeles | Mar–May, Sep–Nov | Aug (32°C) |
| Orlando | Feb–Apr, Nov | May (31°C) |
| Miami | Nov–Apr | Aug (30°C) |
| San Francisco | Apr–May, Sep–Oct | Sep (24°C) |
| Honolulu | Apr–Jun, Sep–Oct | Sep (28°C) |
| Washington, D.C. | Mar–May, Sep–Oct | Jul (31°C) |
| Chicago | May–Jun, Sep–Oct | Jul (25°C) |
| Boston | May–Jun, Sep–Oct | Jul (28°C) |
| New Orleans | Feb–Apr, Oct–Nov | Jul (30°C) |
| San Diego | Apr–May, Sep–Nov | Aug (32°C) |
| Seattle | Jun–Sep | Aug (24°C) |
| Maui | Apr–May, Sep–Oct | Sep (22°C) |
| Nashville | Apr–May, Sep–Oct | Aug (32°C) |
| Austin | Mar–May, Oct–Nov | Aug (36°C) |
| Miami Beach | Nov–Apr | Aug (30°C) |
| Key West | Dec–Apr | Aug (30°C) |
| Denver | May–Jun, Sep–Oct | Jul (33°C) |
| Philadelphia | Apr–May, Sep–Oct | Jul (30°C) |
| Portland | Jun–Sep | Aug (29°C) |
| Atlanta | Mar–May, Oct–Nov | Jul (32°C) |
| San Antonio | Mar–May, Oct–Nov | Aug (36°C) |
| Charleston | Mar–May, Oct–Nov | Jul (32°C) |
| Savannah | Mar–May, Oct–Nov | Jul (33°C) |
| Fort Lauderdale | Dec–Apr | Aug (30°C) |
| Kauai | Apr–Jun, Sep–Oct | Sep (27°C) |
| Big Island | Apr–Jun, Sep–Oct | Aug (26°C) |
| Sedona | Mar–May, Sep–Nov | Jul (35°C) |
| Scottsdale | Feb–Apr, Oct–Nov | Jul (42°C) |
Quick answers
What is the best month to visit Denver?
May–Jun, Sep–Oct. Sep–Oct is dry and sunny with fall color; late spring and early summer are warm. Summer storms are brief; Dec–Mar suits skiing; wildfire smoke is possible in summer.
When is the rainy season in Denver?
Rain peaks in July with about 62 mm. No month averages 150 mm or more.
What is the hottest month in Denver?
July, with average highs of 33°C (92°F).
How cold does Denver get?
The coolest nights are in December, averaging -5°C (23°F).
More about Denver
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 3°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.