Blowing Rock, NC climate
Blowing Rock has chilly winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 77°, a January night drops to 23°, and about 26 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Blowing Rock feels like
Winter
Spring
Summer
Fall
Blowing Rock weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 40° | 23° | 5.2" | 6.6" | 12 | 7 | 24° – 38° |
| February | 44° | 25° | 4.1" | 6.7" | 12 | 6 | 26° – 43° |
| March | 50° | 31° | 5.3" | 4.8" | 12 | 3 | 33° – 50° |
| April | 60° | 39° | 5.9" | 1.0" | 13 | 1 | 45° – 54° |
| May | 68° | 47° | 5.8" | 0 | 14 | 0 | 52° – 62° |
| June | 74° | 55° | 5.6" | 0 | 14 | 0 | 60° – 69° |
| July | 77° | 58° | 6.0" | 0 | 14 | 0 | 64° – 71° |
| August | 76° | 57° | 5.8" | 0 | 13 | 0 | 63° – 71° |
| September | 70° | 51° | 6.2" | 0 | 11 | 0 | 58° – 66° |
| October | 61° | 41° | 5.4" | 0.3" | 10 | 0 | 48° – 55° |
| November | 52° | 32° | 5.2" | 1.0" | 9 | 1 | 36° – 47° |
| December | 44° | 26° | 5.1" | 5.2" | 12 | 4 | 25° – 46° |
| Year | 60° | 41° | 65.6" | 25.6" | 146 | 22 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Blowing Rock
Blowing Rock gets 66 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 146 days a year. Snow covers the ground about 22 days of the year.
About 178 frost-free days a year
In half of years the last 32° night comes by April 25 and the first one by October 21. That leaves about 178 frost-free days for gardens, longer than 50% of U.S. towns.
Heating and cooling a home in Blowing Rock
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Blowing Rock, 95% of that work is heating and 5% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Blowing Rock compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Blowing Rock averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.0°). The shift is smaller than in 74% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Blowing Rock’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 25° to 46°. July is the most reliable, staying within 7°.
Common questions about Blowing Rock’s climate
What is the coldest month in Blowing Rock?
January, with a typical high of 40° and a low of 23°.
What is the hottest month in Blowing Rock?
July, with a typical high of 77° and a low of 58°.
How much snow does Blowing Rock get?
About 26 inches in a normal winter, most of it in February.
When is the first frost in Blowing Rock?
In half of years the first 32° night comes by October 21, and the last spring frost by April 25.
What is the rainiest month in Blowing Rock?
September, with 6.2 inches of rain and melted snow. The year totals 66 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Blowing Rock itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Boone 1 Se, NC (6 mi, snow) and Blowing Rock 1nw, NC (2 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.