Decatur July Weather Averages Illinois, United States of America

July Weather Averages for Decatur

High Temp	28°C	83°F
Low Temp	19°C	66°F
Avg Temp	24°C	75°F
Sunshine Hours	225 hours
Rainfall	110.34 mm	4.34 In
Rain days	8 days
Pressure	1015 mb	30 In

Decatur July Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	25°C / 78°F	16°C / 62°F	21°C / 70°F	244 hours	78.49 mm / 3.09 In	5 days	1014 mb / 30 In
2010	30°C / 86°F	20°C / 69°F	25°C / 77°F	273 hours	128.40 mm / 5.06 In	13 days	1015 mb / 30 In
2011	30°C / 87°F	21°C / 70°F	26°C / 79°F	279 hours	22.00 mm / 0.87 In	4 days	1014 mb / 30 In
2012	32°C / 89°F	22°C / 72°F	27°C / 81°F	280 hours	13.90 mm / 0.55 In	5 days	1014 mb / 30 In
2013	27°C / 80°F	18°C / 64°F	22°C / 72°F	223 hours	61.59 mm / 2.42 In	10 days	1016 mb / 30 In
2014	26°C / 78°F	15°C / 60°F	21°C / 69°F	267 hours	60.13 mm / 2.37 In	7 days	1016 mb / 30 In
2015	28°C / 82°F	18°C / 65°F	23°C / 74°F	228 hours	141.98 mm / 5.59 In	9 days	1013 mb / 30 In
2016	28°C / 82°F	19°C / 67°F	23°C / 74°F	152 hours	152.66 mm / 6.01 In	10 days	1014 mb / 30 In
2017	29°C / 85°F	20°C / 68°F	24°C / 76°F	275 hours	116.10 mm / 4.57 In	6 days	1016 mb / 30 In
2018	28°C / 82°F	19°C / 66°F	23°C / 74°F	266 hours	114.17 mm / 4.49 In	9 days	1017 mb / 31 In
2019	28°C / 83°F	20°C / 67°F	24°C / 75°F	241 hours	63.40 mm / 2.50 In	11 days	1015 mb / 30 In
2020	29°C / 83°F	20°C / 68°F	24°C / 76°F	170 hours	163.62 mm / 6.44 In	10 days	1014 mb / 30 In
2021	27°C / 80°F	19°C / 67°F	23°C / 73°F	165 hours	168.72 mm / 6.64 In	9 days	1016 mb / 30 In
2022	29°C / 85°F	20°C / 67°F	24°C / 76°F	203 hours	174.24 mm / 6.86 In	9 days	1015 mb / 30 In
2023	30°C / 86°F	19°C / 66°F	24°C / 76°F	170 hours	219.95 mm / 8.66 In	11 days	1013 mb / 30 In
2024	27°C / 80°F	18°C / 64°F	22°C / 72°F	161 hours	86.11 mm / 3.39 In	6 days	1016 mb / 30 In

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