
This page answers the question people search for most: "is tryfan safe in strong wind". It covers the specific kit, timing, and weather thresholds for Tryfan at 595m, not generic mountain advice.
For live conditions right now — summit wind, rain, cloudbase, freezing level — go to the main Tryfan weather page. It updates every hour from a 7-model weather ensemble.
Below 25 mph sustained on the summit, Tryfan is comfortable for most walkers. 25-40 mph is tiring and makes photography or map-reading difficult. 40-60 mph makes you stagger; ridges become dangerous. Above 60 mph gusts, stay off the tops — gusts that strong can blow a person off balance.
Wind speed increases with altitude because there's less friction from the ground. At 595m, summit winds on Tryfan are typically 30-80% stronger than at the nearest valley station. The hillandglen.com summit forecast applies an altitude correction so you see the actual ridge wind, not the town.
Use the summit wind chill (feels-like) temperature on the hillandglen.com forecast. On Tryfan at 595m, a 5°C air temperature with a 30 mph wind feels like -4°C. Dress for the wind chill, not the thermometer.
Gust peaks are highest in autumn and winter deep lows — mid-October to February sees the biggest storms. A single frontal passage can push gusts from 30 to 90 mph in under two hours. Always check the 14-day gust forecast before committing to a date.
Planning Tryfan? Get the hourly summit forecast, 14-day outlook and wind chill — all at the 595m summit, not the valley.
Tryfan Weather → All Condition Guides