Mountain Facts

Summit Location

  • Latitude: 44 degrees 16 minutes North
  • Longitude: 71 degrees 18 minutes West
  • Elevation: 6288 feet (1916.58 meters)

Summit Weather
See the current weather conditions and web cams from the Mount Washington Observatory.

  • Highest wind recorded 231 mph (372 kph) 12 April 1934
  • Lowest Temperature -47 F (-43.9 C) January 1934
  • Highest Temperature +72 F (22 C) August 1975
  • Avg. Annual Temperature 26.5 F (-3.1 C)
  • Avg. Annual Wind Speed 35.3 mph (56.8 kph)
  • Avg. Annual Snowfall 256 inches (6.5 meters)
  • Greatest Snowfall Season 566.4 inches (14.38 meters) 1968-69

Mt. Washington Auto Road:

  • Terminus: 6288 ft. (1916.58 m.)
  • Base (Toll House): 1565 ft. (477 m.)
  • Elevation gain:4727 ft. (1440.79 m.)
  • Length: 7.6 miles (12.23 km.)
  • Grade:Avg. 12%, extended stretch 18%, final 80 meters 22 %
  • Road surface: 6.6 miles paved, 1 mile dirt and gravel

Other Summit Facts

  • Maximum snowfall in a calendar year (1969) 495.2 inches
  • Winds exceed hurricane force (75 MPH) on an average of 104 days a year
  • The summit is in the clouds about 60% of the time
  • Fog is reported (for at least part of the day) over 300 days a year
  • Terminus 6288 ft. (1916.58 meters)
  • Base (Toll House) 1565 ft. (477 meters)
  • Elevation gain 4727 ft. (1440.79 meters)
  • Length 7.6 miles (12.23 kilometers)
  • Grade Avg. 12%, extended 18%, final 100 yards 22%
  • Road Surface 87% paved, 13% packed gravel