Best time to visit · Colorado
Best time to visit Denver
Denver averages 39 just-right days a year; May and September are best. Most other days miss by being too cool.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
Denver weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 39
- Too cool 207
- Too hot 102
- Too muggy 0
- Too gray 17
When to visit Denver
The best time to visit Denver for comfortable weather is May and September, when 27% and 29% of days are just right. January, February, March, April, November and December are mostly too cool, with average highs of 46 to 64°F. July and August are mostly too hot, with average highs of 88 to 91°F.
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 46°F | 15°F | 42% | 0 |
| February | 47°F | 15°F | 47% | 0 |
| March | 57°F | 22°F | 51% | 1 |
| April | 64°F | 28°F | 52% | 3 |
| May | 73°F | 37°F | 50% | 8 |
| June | 85°F | 43°F | 39% | 5 |
| July | 91°F | 49°F | 35% | 2 |
| August | 88°F | 49°F | 37% | 3 |
| September | 81°F | 42°F | 34% | 9 |
| October | 67°F | 31°F | 38% | 7 |
| November | 54°F | 22°F | 43% | 0 |
| December | 46°F | 15°F | 41% | 0 |
How Denver compares
With 39 just-right days, Denver beats the median of America's 150 largest cities (33 days). It ranks #2 of 3 Colorado places on Goldilocks Map. On muggy days: 0. On gray days: 17.
See every Colorado city ranked →
Places with a similar climate
Nearby
Denver averages 39 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/us/colorado/denver/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.