Colorado climate by month
January highs across Colorado range from 29°F in Vail to 48°F in Pueblo; July highs from 71°F in Breckenridge to 93°F in Pueblo. The most common best months across these cities are April, May, June.
Colorado weather month by month
Average of the 17 Colorado cities on this site, computed from NOAA's unrounded values (so it can differ by a degree from averaging the rounded city figures); individual cities differ, sometimes a lot.
| Month | High | Low | Wet days | Snow |
|---|---|---|---|---|
| January | 41°F | 14°F | 7 | 15.3 in |
| February | 43°F | 16°F | 7 | 15.6 in |
| March | 51°F | 24°F | 8 | 15.1 in |
| April | 58°F | 31°F | 9 | 12.9 in |
| May | 67°F | 39°F | 11 | 3.4 in |
| June | 79°F | 48°F | 8 | 0.2 in |
| July | 84°F | 54°F | 10 | 0.0 in |
| August | 82°F | 52°F | 10 | 0.0 in |
| September | 75°F | 44°F | 8 | 0.9 in |
| October | 62°F | 33°F | 7 | 6.1 in |
| November | 50°F | 23°F | 6 | 12.7 in |
| December | 41°F | 15°F | 7 | 14.3 in |
Regional differences
- Warmest winterPueblo: January high 48°F
- Coolest summerBreckenridge: July high 71°F
- Most wet daysBreckenridge: 136 a year
- Fewest wet daysPueblo: 69 a year
- Most snowVail: 189.2 in a year
Warmest and coolest Colorado city each month
| Month | Warmest | Coolest | Best month for |
|---|---|---|---|
| January | Pueblo 48°F | Vail 29°F | – |
| February | Pueblo 51°F | Breckenridge 31°F | – |
| March | Pueblo 61°F | Breckenridge 37°F | – |
| April | Pueblo 67°F | Breckenridge 43°F | 2 cities |
| May | Pueblo 77°F | Breckenridge 54°F | 11 cities |
| June | Pueblo 89°F | Breckenridge 66°F | 6 cities |
| July | Pueblo 93°F | Breckenridge 71°F | 1 city |
| August | Pueblo 90°F | Breckenridge 68°F | 1 city |
| September | Pueblo 83°F | Breckenridge 62°F | – |
| October | Pueblo 70°F | Breckenridge 50°F | – |
| November | Pueblo 57°F | Breckenridge 37°F | – |
| December | Pueblo 48°F | Vail 28°F | – |
By normal daily high. "Best month for": how many of the 17 cities have it among their best months by our comfort score.
Frost and humidity across Colorado
All Colorado cities
| City | Jan high | Jul high | Wet days/yr | Snow/yr | Best months |
|---|---|---|---|---|---|
| Arvada | 47°F | 88°F | 87 | 75.5 in | May |
| Aspen | 32°F | 76°F | 133 | 170.8 in | Jun |
| Boulder | 47°F | 88°F | 101 | 92.8 in | May |
| Breckenridge | 30°F | 71°F | 136 | 184.6 in | Jul |
| Centennial | 45°F | 87°F | 84 | 62.2 in | May |
| Colorado Springs | 45°F | 87°F | 87 | 32.5 in | May |
| Denver | 47°F | 90°F | 84 | 49.0 in | May |
| Estes Park | 40°F | 79°F | 113 | 165.7 in | Jun |
| Fort Collins | 45°F | 87°F | 86 | 51.4 in | May |
| Greeley | 44°F | 92°F | 73 | 34.9 in | Apr, May |
| Highlands Ranch | 43°F | 84°F | 80 | 62.2 in | May, Jun |
| Lakewood | 45°F | 86°F | 87 | 75.5 in | May |
| Pueblo | 48°F | 93°F | 69 | 28.3 in | Apr, May |
| Steamboat Springs | 29°F | 83°F | 135 | 184.5 in | Jun |
| Telluride | 36°F | 77°F | 117 | 130.8 in | Jun |
| Thornton | 47°F | 90°F | 73 | 49.0 in | May |
| Vail | 29°F | 77°F | 116 | 189.2 in | Jun, Aug |
Also covered: Aurora (see Denver), Longmont (see Boulder), Westminster (see Thornton). These cities use the same weather stations as the city named.