Weather Records
The official U.S. Weather Service Reporting Station located at the Grandfather Mountain Mile High Swinging Bridge (elevation 5,280 ft) has been providing daily weather observations since August 1955. Read more about our weather.
See current conditions at the Swinging Bridge Weather Station via NC State Climate Office.
Grandfather Weather Records & Averages
Rainfall
- Average Annual Rainfall: 62.79 in.
- Most Rain in One Day: 11.3 in. on September 8, 2004
- Most Rain in Two Days: 12.15 in. on September 7-8, 2004
- Most Rain in One Month: 32.3 in. in September 2004
- Least Rain in One Month: 0.31 in. during October 1963
Wind Speed
Since February 2007 when the NWS approved meter was installed: Highest recorded wind speed: 124 mph on February 25, 2019
Snowfall
- Average Winter Snow: 52.65 in.
- Most Snow in One Winter: 128.71 inches in 1959-60
- Least Snow in One Winter: 7.5 inches in 1957-58
- Most Snow in One Month: 55.06 inches in January 1977
- Most Snow in One Day: 24 inches on March 16, 1993
- Earliest Fall Snow: September 10, 1964
- Latest Spring Snow: May 27, 1961
Temperature Records (In Degrees Fahrenheit)
- Highest Temperature: 83.2 degrees on July 1, 2012
- Lowest Temperature: -32 degrees on January 21, 1985
Average Daily Temperatures (high / low) by month in degrees Fahrenheit
- January: 35.37 / 19.86
- February: 37.55 / 21.86
- March: 44.61 / 28.63
- April: 53.95 / 37.10
- May: 60.77 / 45.47
- June: 66.46 / 53.08
- July: 69.37 / 56.57
- August: 68.23 / 56.03
- September: 62.88 / 50.68
- October: 54.29 / 40.73
- November: 46.10 / 31.83
- December: 38.83 / 24.26
Search much more data from the Grandfather Mountain Weather Station on the NC Climate Office website.