Concord, IL

Climate overview — based on NOAA 1991-2020 normals from JACKSONVILLE 2, 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

Concord has an annual average temperature of 52.8°F with about 41.4 inches of precipitation per year. The warmest month is July (average high 86.9°F), and the coldest is January (average low 17.6°F). May is typically the wettest month (5.09 in) and February the driest (2.02 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
49.7°F
warmest to coldest month
Heating need
5,307
Cooling need
918

Best time to visit Concord

Full guide →

Climate change signal

All-time records →

165 of 366 (45.1%) of Concord'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.

1940s
0
1950s
0
2000s
94
2010s
193
2020s
79

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 35.3°F 17.6°F 26.4°F 2.21 in 8
February 40.5°F 20.9°F 30.7°F 2.02 in 8
March 52.1°F 30.3°F 41.2°F 3.04 in 11
April 65.0°F 40.5°F 52.7°F 4.46 in 11
May 75.0°F 52.6°F 63.8°F 5.09 in 13
June 83.4°F 61.9°F 72.7°F 4.96 in 11
July 86.9°F 65.4°F 76.1°F 3.97 in 9
August 85.7°F 63.2°F 74.5°F 3.32 in 8
September 79.9°F 54.7°F 67.3°F 3.78 in 7
October 67.0°F 42.9°F 54.9°F 3.11 in 9
November 52.3°F 31.8°F 42.0°F 3.08 in 8
December 39.9°F 22.9°F 31.4°F 2.35 in 9

Climate twins of Concord

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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