Lookout Mountain, GA climate
Lookout Mountain has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 88°, a January night drops to 31°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Lookout Mountain feels like
Winter
Spring
Summer
Fall
Lookout Mountain 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 | 49° | 31° | 5.2" | 0 | 8 | 0 | 32° – 47° |
| February | 54° | 34° | 5.3" | 0 | 8 | 0 | 34° – 52° |
| March | 62° | 41° | 5.4" | 0 | 9 | 0 | 45° – 61° |
| April | 71° | 48° | 5.1" | 0 | 8 | 0 | 55° – 64° |
| May | 79° | 56° | 4.5" | 0 | 8 | 0 | 62° – 72° |
| June | 85° | 64° | 4.3" | 0 | 8 | 0 | 70° – 78° |
| July | 88° | 68° | 4.5" | 0 | 8 | 0 | 74° – 82° |
| August | 87° | 67° | 3.9" | 0 | 7 | 0 | 72° – 82° |
| September | 82° | 61° | 4.2" | 0 | 6 | 0 | 68° – 78° |
| October | 72° | 49° | 4.0" | 0 | 5 | 0 | 57° – 66° |
| November | 60° | 39° | 4.8" | 0 | 7 | 0 | 44° – 55° |
| December | 52° | 34° | 5.5" | 0 | 7 | 0 | 34° – 53° |
| Year | 70° | 49° | 56.6" | 0.0" | 89 | 0 |
“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 Lookout Mountain
Lookout Mountain gets 57 inches of rain and melted snow a year. December is the wettest month and August the driest. Rain or snow falls on about 89 days a year.
About 232 frost-free days a year
In half of years the last 32° night comes by March 25 and the first one by November 9. That leaves about 232 frost-free days for gardens, longer than 86% of U.S. towns.
Heating and cooling a home in Lookout Mountain
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lookout Mountain, 64% of that work is heating and 36% is cooling.
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 Lookout Mountain 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 Lookout Mountain averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.0°). The shift is smaller than in 78% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Lookout Mountain’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 34° to 53°. July is the most reliable, staying within 8°.
Common questions about Lookout Mountain’s climate
What is the coldest month in Lookout Mountain?
January, with a typical high of 49° and a low of 31°.
What is the hottest month in Lookout Mountain?
July, with a typical high of 88° and a low of 68°. About 37 days a year reach 90°.
How much snow does Lookout Mountain get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Lookout Mountain?
In half of years the first 32° night comes by November 9, and the last spring frost by March 25.
What is the rainiest month in Lookout Mountain?
December, with 5.5 inches of rain and melted snow. The year totals 57 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Lookout Mountain itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Chickamauga Park, GA (7 mi, snow) and Chickamauga 2 Sw, GA (8 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.