Dekalb August Weather Averages Illinois, United States of America

August Weather Averages for Dekalb

High Temp	26°C	79°F
Low Temp	17°C	62°F
Avg Temp	21°C	71°F
Sunshine Hours	221 hours
Rainfall	99.23 mm	3.91 In
Rain days	8 days
Pressure	1015 mb	30 In

Dekalb August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	27°C / 81°F	16°C / 61°F	22°C / 71°F	283 hours	42.21 mm / 1.66 In	6 days	1015 mb / 30 In
2009	24°C / 76°F	16°C / 60°F	20°C / 68°F	213 hours	229.79 mm / 9.05 In	10 days	1015 mb / 30 In
2010	28°C / 83°F	18°C / 65°F	23°C / 73°F	265 hours	74.76 mm / 2.94 In	9 days	1014 mb / 30 In
2011	26°C / 79°F	17°C / 62°F	21°C / 70°F	249 hours	134.04 mm / 5.28 In	6 days	1013 mb / 30 In
2012	26°C / 79°F	16°C / 61°F	21°C / 70°F	252 hours	93.23 mm / 3.67 In	8 days	1015 mb / 30 In
2013	26°C / 79°F	16°C / 61°F	21°C / 70°F	237 hours	62.54 mm / 2.46 In	6 days	1017 mb / 30 In
2014	27°C / 80°F	17°C / 63°F	22°C / 71°F	204 hours	70.94 mm / 2.79 In	9 days	1015 mb / 30 In
2015	26°C / 79°F	16°C / 61°F	21°C / 70°F	262 hours	83.08 mm / 3.27 In	8 days	1015 mb / 30 In
2016	27°C / 80°F	18°C / 65°F	22°C / 72°F	206 hours	107.47 mm / 4.23 In	9 days	1016 mb / 30 In
2017	24°C / 75°F	15°C / 59°F	19°C / 67°F	245 hours	91.63 mm / 3.61 In	8 days	1016 mb / 30 In
2018	26°C / 79°F	18°C / 65°F	22°C / 72°F	202 hours	202.16 mm / 7.96 In	12 days	1015 mb / 30 In
2019	25°C / 77°F	16°C / 61°F	20°C / 69°F	227 hours	115.40 mm / 4.54 In	9 days	1015 mb / 30 In
2020	26°C / 79°F	17°C / 63°F	22°C / 71°F	208 hours	21.43 mm / 0.84 In	6 days	1015 mb / 30 In
2021	28°C / 82°F	19°C / 65°F	23°C / 74°F	149 hours	71.41 mm / 2.81 In	12 days	1016 mb / 30 In
2022	27°C / 81°F	17°C / 62°F	22°C / 71°F	179 hours	83.20 mm / 3.28 In	6 days	1016 mb / 30 In
2023	29°C / 85°F	16°C / 61°F	22°C / 72°F	223 hours	73.85 mm / 2.91 In	7 days	1013 mb / 30 In
2024	25°C / 77°F	16°C / 61°F	20°C / 69°F	214 hours	72.69 mm / 2.86 In	2 days	1016 mb / 30 In

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