Harlem, GA climate
Harlem has mild winters and warm summers. A typical July afternoon reaches 91°, a January night drops to 35°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Harlem feels like
Winter
Spring
Summer
Fall
Harlem 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 | 57° | 35° | 4.1" | 0.4" | 10 | 0 | 40° – 53° |
| February | 61° | 38° | 3.8" | 0.3" | 9 | 0 | 41° – 59° |
| March | 68° | 44° | 4.5" | 0 | 9 | 0 | 50° – 64° |
| April | 76° | 50° | 3.0" | 0 | 8 | 0 | 59° – 68° |
| May | 83° | 59° | 3.3" | 0 | 8 | 0 | 66° – 76° |
| June | 89° | 67° | 4.5" | 0 | 11 | 0 | 74° – 82° |
| July | 91° | 70° | 4.2" | 0 | 11 | 0 | 78° – 85° |
| August | 90° | 69° | 4.6" | 0 | 11 | 0 | 77° – 84° |
| September | 85° | 64° | 3.6" | 0 | 8 | 0 | 72° – 80° |
| October | 76° | 53° | 2.8" | 0 | 6 | 0 | 61° – 70° |
| November | 67° | 42° | 3.1" | 0 | 7 | 0 | 50° – 61° |
| December | 59° | 37° | 4.1" | 0.1" | 9 | 0 | 39° – 58° |
| Year | 75° | 52° | 45.5" | 0.8" | 107 | 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 Harlem
Harlem gets 46 inches of rain and melted snow a year. August is the wettest month and October the driest. Rain or snow falls on about 107 days a year.
About 252 frost-free days a year
In half of years the last 32° night comes by March 14 and the first one by November 17. That leaves about 252 frost-free days for gardens, longer than 91% of U.S. towns.
Heating and cooling a home in Harlem
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Harlem, 56% of that work is heating and 44% 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 Harlem 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 Harlem averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.0°). The shift is smaller than in 66% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Harlem’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 39° to 58°. August is the most reliable, staying within 7°.
Common questions about Harlem’s climate
What is the coldest month in Harlem?
January, with a typical high of 57° and a low of 35°.
What is the hottest month in Harlem?
July, with a typical high of 91° and a low of 70°. About 79 days a year reach 90°.
How much snow does Harlem get?
Almost none. A normal year brings 0.8 inches.
When is the first frost in Harlem?
In half of years the first 32° night comes by November 17, and the last spring frost by March 14.
What is the rainiest month in Harlem?
August, with 4.6 inches of rain and melted snow. The year totals 46 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Harlem itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Augusta Bush Fld Airport, GA (21 mi, snow) and Thomson 1.5se, GA (10 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.