Atlanta, IL

Climate overview — based on NOAA 1991-2020 normals from LINCOLN, IL US.

Dfa Hot-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Atlanta has an annual average temperature of 52.3°F with about 39.8 inches of precipitation per year and 19.3 inches of snow. The warmest month is July (average high 85.5°F), and the coldest is January (average low 17.8°F). July is typically the wettest month (4.91 in) and February the driest (1.92 in). Snow typically falls from November through March.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
48.5°F
warmest to coldest month
Heating need
5,364
Cooling need
774

Best time to visit Atlanta

Full guide →

Climate change signal

All-time records →

25 of 366 (6.8%) of Atlanta's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1900s
5
1910s
32
1920s
35
1930s
97
1940s
20
1950s
57
1960s
16
1970s
11
1980s
23
1990s
13
2000s
21
2010s
23
2020s
13

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 34.5°F 17.8°F 26.1°F 2.17 in 5.7 in 9
February 39.5°F 21.6°F 30.6°F 1.92 in 6.2 in 9
March 51.7°F 31.1°F 41.4°F 2.70 in 1.8 in 11
April 64.4°F 40.8°F 52.6°F 4.24 in 12
May 74.8°F 52.4°F 63.6°F 4.37 in 13
June 83.3°F 61.3°F 72.3°F 4.16 in 11
July 85.5°F 63.8°F 74.6°F 4.91 in 9
August 84.0°F 61.3°F 72.6°F 3.47 in 9
September 79.2°F 53.4°F 66.3°F 3.30 in 8
October 66.3°F 41.8°F 54.1°F 3.42 in 0.1 in 10
November 51.4°F 32.0°F 41.7°F 2.88 in 0.6 in 10
December 39.2°F 23.1°F 31.1°F 2.29 in 4.9 in 10

Climate twins of Atlanta

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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