Boulder
Best time to visit Boulder
The weather and what is open, season by season. The month is yours to pick.
- Winter
- Highs 46 to 48 F, lows 21 to 22 F, 39.3 in snow
- Spring
- Highs 57 to 71 F, lows 29 to 43 F, 32.4 in snow
- Summer
- Highs 83 to 88 F, lows 51 to 57 F
- Fall
- Highs 55 to 79 F, lows 28 to 48 F, 21.1 in snow
What is open and when, with sources
Summer
- Chautauqua Park and Trailhead. A parking fee applies at Chautauqua in the summer months. Source, checked November 3, 2026
- Boulder Farmers Market. Saturday dates listed for the rest of 2026 are November 7, 14 and 21. The Wednesday market runs May through October and has ended for the year. Source, checked November 3, 2026
All year
- Eben G. Fine Park. Restrooms are open year-round with limited hours in fall and winter. Grilling is not allowed. Source, checked November 3, 2026
Weather month by month
| Month | High | Low | Precipitation | Snow |
|---|---|---|---|---|
| Jan | 47 | 22 | 0.83 | 11.3 |
| Feb | 48 | 22 | 0.99 | 15 |
| Mar | 57 | 29 | 1.99 | 15.7 |
| Apr | 63 | 35 | 3.05 | 14.7 |
| May | 71 | 43 | 3.21 | 2 |
| Jun | 83 | 51 | 1.95 | 0 |
| Jul | 88 | 57 | 1.83 | 0 |
| Aug | 86 | 56 | 1.68 | 0 |
| Sep | 79 | 48 | 2.09 | 1 |
| Oct | 66 | 37 | 1.62 | 7 |
| Nov | 55 | 28 | 1.18 | 13.1 |
| Dec | 46 | 21 | 0.81 | 13 |
Weather: NOAA NCEI U.S. Climate Normals, 1991-2020, monthly, station BOULDER. NOAA data, checked November 3, 2026.
Photo credits
- Winter: Postfachannabella, CC BY-SA 4.0, resized
- Summer: Mark Doliner, CC BY-SA 2.0, resized
- Fall: Kvng, CC BY-SA 3.0, resized
- Eldorado Canyon State Park: OMCV, Public domain, resized
- Bear Peak: Matt V, CC BY 3.0, resized