June through October is the reliable window: 78% of observed days rated Good or Moderate. March was the toughest month, with 90% of days at Difficult or worse.
Bar shows the share of observed days at each severity; the number is the share rated Good or Moderate. Good · Moderate · Difficult · Dangerous
| Month | Days observed | Good/Moderate | Recurring hazards |
|---|---|---|---|
| January | 31 | 29% | severe wind chill, dangerous wind, ice, snow |
| February | 28 | 11% | severe wind chill, ice, dangerous wind, snow |
| March | 29 | 10% | ice, severe wind chill, postholing, snow |
| April | 30 | 23% | ice, mud, severe wind chill, dangerous wind |
| May | 31 | 35% | ice, mud, severe wind chill, dangerous wind |
| June | 30 | 80% | slick ledges, mud, severe wind chill, ice |
| July | 31 | 71% | mud, slick ledges, dangerous wind, severe wind chill |
| August | 31 | 94% | mud, slick ledges, severe wind chill |
| September |
Right now on Mount Cannon
Difficultupdated Nov 13, 12 PMJune through October is the reliable window: 78% of observed days rated Good or Moderate. March was the toughest month, with 90% of days at Difficult or worse.
Yes, with winter gear and experience: in our observations, 83% of December-March days rated Difficult or Dangerous. Full winter traction, insulation, and a hard turnaround plan are the baseline; check live conditions the morning you go.
One email when the first widespread ice reports come in from the Whites, with what to bring. Then the Thursday conditions outlook each week.
Methodology: severity shares are observed, not forecast. Each day's rating is the consensus of our AI-synthesized condition reports for Mount Cannon that day, collected since December 2025 (320 days so far). Months keep filling in as the archive grows. Pair the history with the live report and a summit forecast before you commit to a drive.
| 30 |
| 83% |
| mud, slick ledges, severe wind chill, dangerous wind |
| October | 31 | 61% | ice, severe wind chill, slick ledges, dangerous wind |
| November | 9 | 78% | ice, mud, severe wind chill, slick ledges |
| December | 9 | 22% | severe wind chill, ice, dangerous wind |
4,100 ft · Kinsman Range · month-by-month from 320 observed days
4,100 ft | Kinsman | 2 routes