Summit forecast, next 72 hours
- New snow6 in
- Strongest gusts30 mphTuesday
- Coldest20°F
| Forecast | Snow | Gusts | Temp °F |
|---|---|---|---|
| Columbus DaySunny | 0 in | 30 mph | High 49° |
| TonightMostly Clear | 0 in | 20 mph | Low 30° |
| TuesdayChance Snow Showers | 0 in | 30 mph | High 46° |
| Tuesday NightSnow Showers Likely | 1 in | 25 mph | Low 27° |
| WednesdaySnow Showers | 3.5 in | 25 mph | High 37° |
| Wednesday NightSnow Showers | 1.5 in | 25 mph | Low 20° |
Snow is the forecast new accumulation at the summit grid point. Dots use Road Travel’s driving-risk scale.
Typical weather by month
Monthly normals from the long-term stations nearest the summit. None sits exactly on the pass, so each column says how far away and how high it is.
| Month | Jackwhacker Gulch 10,960 ft · 5 mi west of the summit | Climax 11,344 ft · 30 mi southwest of the summit | Cabin Creek 10,020 ft · 4 mi north of the summit | ||
|---|---|---|---|---|---|
| Precip (in) | High / low °F | Snow (in) | High / low °F | Snow (in) | |
| Jan | 2.7 | 27° / 3° | 44.5 | 32° / 12° | 15.9 |
| Feb | 2.8 | 29° / 3° | 40.5 | 32° / 12° | 19.3 |
| Mar | 3.0 | 35° / 8° | 42.5 | 38° / 17° | 24.9 |
| Apr | 3.6 | 40° / 15° | 46.6 | 43° / 23° | 28.4 |
| May | 3.0 | 49° / 25° | 18.9 | 53° / 31° | 11.9 |
| Jun | 1.6 | 61° / 34° | 2.4 | 64° / 40° | 0.3 |
| Jul | 2.4 | 67° / 40° | 0.2 | 69° / 46° | 0 |
| Aug | 2.4 | 64° / 39° | 0.1 | 67° / 44° | 0.1 |
| Sep | 1.8 | 58° / 32° | 4.2 | 61° / 38° | 2.1 |
| Oct | 2.4 | 47° / 21° | 22.4 | 50° / 29° | 10.4 |
| Nov | 2.4 | 35° / 11° | 33.9 | 39° / 19° | 20.1 |
| Dec | 2.6 | 27° / 3° | 38.5 | 32° / 12° | 20.3 |
NOAA NCEI U.S. Climate Normals, 1991–2020: Jackwhacker Gulch (USS0005K26S, 10,960 ft); CLIMAX (USC00051660, 11,344 ft); CABIN CREEK (USC00051186, 10,020 ft). Snow days are days with at least 1 inch of new snow. “—” means the station does not publish that normal.
Cameras, road reports and winter rules
Conditions on the pass change by the hour, so these go straight to the official sources.
Closes for the winter. Clear Creek County says Guanella Pass Road “is seasonally closed after Thanksgiving and reopens on or about Memorial Day weekend at Naylor Lake on the Clear Creek County side and Burning Bear Campground on the Park County side.” Clear Creek County: Guanella Pass information
- For this passClear Creek County: Guanella Pass information
- For this passCDOT Colorado Byways: Guanella Pass
- Colorado · CDOTCOtrip conditions and cameras
- Colorado · winter rulesTraction and chain laws
Check the official National Weather Service forecast for the summit and the road report before you leave.
Crossing Guanella Pass? See the summit at the hour you’ll be there
Road Travel times the forecast to your drive, so you see conditions at the summit when you will actually reach it, and get alerts about weather ahead on the way.
Questions about Guanella Pass
How high is Guanella Pass?
The summit is 11,670 ft above sea level, on Guanella Pass Road.
How far is Guanella Pass from Georgetown and Grant?
By road, the summit is 11 miles from Georgetown, CO and 13 miles from Grant, CO.
Is Guanella Pass open in winter?
No. Clear Creek County says Guanella Pass Road “is seasonally closed after Thanksgiving and reopens on or about Memorial Day weekend at Naylor Lake on the Clear Creek County side and Burning Bear Campground on the Park County side.”
What is the wettest month at Guanella Pass?
April. The Jackwhacker Gulch snow-monitoring site (10,960 ft, 5 mi west of the summit) averages 3.6 inches of precipitation that month, counting the water in melted snow (1991–2020 normals).
How cold does it get near Guanella Pass?
The coldest month is February. Cabin Creek (10,020 ft, 4 mi north of the summit) averages a low of 12°F then (1991–2020 normals); the summit is 1,650 ft higher.