Dalton City, IL

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

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

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Dalton City has an annual average temperature of 53.1°F with about 36.4 inches of precipitation per year. The warmest month is July (average high 85.8°F), and the coldest is January (average low 20.1°F). May is typically the wettest month (4.38 in) and February the driest (1.84 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
48.3°F
warmest to coldest month
Heating need
5,148
Cooling need
873

Best time to visit Dalton City

Full guide →

Climate change signal

All-time records →

144 of 366 (39.3%) of Dalton City'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.

2000s
124
2010s
149
2020s
93

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 34.7°F 20.1°F 27.4°F 1.99 in 8
February 39.8°F 23.4°F 31.6°F 1.84 in 7
March 51.9°F 32.4°F 42.1°F 2.51 in 11
April 63.9°F 42.3°F 53.1°F 3.66 in 11
May 74.4°F 53.4°F 63.9°F 4.38 in 13
June 83.0°F 62.4°F 72.7°F 4.38 in 11
July 85.8°F 65.6°F 75.7°F 3.32 in 10
August 84.3°F 63.1°F 73.7°F 3.03 in 9
September 78.9°F 55.0°F 67.0°F 2.98 in 9
October 66.1°F 44.4°F 55.2°F 3.18 in 10
November 51.3°F 34.2°F 42.7°F 2.97 in 9
December 39.7°F 25.2°F 32.4°F 2.12 in 9

Climate twins of Dalton City

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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