Mount Charleston, NV climate
Mount Charleston has chilly winters and pleasant summers, with very little rain. A typical July afternoon reaches 83°, a January night drops to 27°.
NOAA 1991-2020 climate normals Updated once a decade8° warmer than normal today. The forecast high is 76°, and a typical Sep 30 in Mount Charleston peaks around 68°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Mount Charleston feels like
Winter
Spring
Summer
Fall
Mount Charleston weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 46° | 27° | 2.5" | 32° – 43° |
| February | 46° | 26° | 2.8" | 29° – 43° |
| March | 51° | 30° | 2.0" | 34° – 47° |
| April | 57° | 34° | 0.8" | 39° – 50° |
| May | 66° | 42° | 0.5" | 47° – 60° |
| June | 77° | 52° | 0.2" | 58° – 70° |
| July | 83° | 59° | 1.3" | 67° – 74° |
| August | 81° | 58° | 1.4" | 66° – 73° |
| September | 74° | 50° | 1.0" | 59° – 65° |
| October | 62° | 40° | 1.4" | 47° – 58° |
| November | 52° | 31° | 0.9" | 34° – 47° |
| December | 45° | 26° | 2.0" | 32° – 41° |
| Year | 62° | 40° | 16.7" |
“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 Mount Charleston
Mount Charleston gets 17 inches of rain and melted snow a year. February is the wettest month and June the driest.
How Mount Charleston 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 Mount Charleston averaged 1.8° warmer than the 1900s. The biggest change is in January (+2.6°). The shift is larger than in 88% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Mount Charleston’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 29° to 43°. September is the most reliable, staying within 7°.
Common questions about Mount Charleston’s climate
What is the coldest month in Mount Charleston?
December, with a typical high of 45° and a low of 26°.
What is the hottest month in Mount Charleston?
July, with a typical high of 83° and a low of 59°.
What is the rainiest month in Mount Charleston?
February, with 2.8 inches of rain and melted snow. The year totals 17 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Mount Charleston itself (about a 3-mile square). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.