Collinsville August Weather Averages Illinois, United States of America

August Weather Averages for Collinsville

High Temp	30°C	85°F
Low Temp	20°C	67°F
Avg Temp	24°C	76°F
Sunshine Hours	246 hours
Rainfall	122.94 mm	4.84 In
Rain days	8 days
Pressure	1015 mb	30 In

Collinsville August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	30°C / 86°F	18°C / 65°F	24°C / 75°F	304 hours	56.38 mm / 2.22 In	2 days	1014 mb / 30 In
2009	30°C / 85°F	19°C / 66°F	24°C / 75°F	303 hours	65.46 mm / 2.58 In	4 days	1016 mb / 30 In
2010	33°C / 91°F	21°C / 70°F	27°C / 80°F	319 hours	27.63 mm / 1.09 In	3 days	1014 mb / 30 In
2011	30°C / 86°F	20°C / 69°F	25°C / 77°F	269 hours	64.81 mm / 2.55 In	8 days	1012 mb / 30 In
2012	29°C / 84°F	19°C / 67°F	24°C / 75°F	243 hours	157.01 mm / 6.18 In	10 days	1014 mb / 30 In
2013	29°C / 84°F	19°C / 66°F	24°C / 75°F	253 hours	26.46 mm / 1.04 In	5 days	1016 mb / 30 In
2014	30°C / 86°F	20°C / 68°F	25°C / 76°F	238 hours	105.68 mm / 4.16 In	9 days	1014 mb / 30 In
2015	28°C / 83°F	18°C / 65°F	23°C / 74°F	291 hours	82.78 mm / 3.26 In	7 days	1015 mb / 30 In
2016	29°C / 84°F	21°C / 70°F	25°C / 76°F	163 hours	286.56 mm / 11.28 In	15 days	1016 mb / 30 In
2017	28°C / 82°F	18°C / 65°F	23°C / 73°F	252 hours	113.72 mm / 4.48 In	10 days	1016 mb / 30 In
2018	29°C / 85°F	21°C / 69°F	25°C / 76°F	259 hours	170.26 mm / 6.70 In	12 days	1015 mb / 30 In
2019	29°C / 84°F	20°C / 68°F	24°C / 75°F	248 hours	231.04 mm / 9.10 In	11 days	1014 mb / 30 In
2020	27°C / 81°F	19°C / 66°F	23°C / 73°F	173 hours	133.87 mm / 5.27 In	11 days	1014 mb / 30 In
2021	30°C / 87°F	21°C / 70°F	25°C / 78°F	227 hours	85.83 mm / 3.38 In	7 days	1015 mb / 30 In
2022	31°C / 87°F	20°C / 68°F	25°C / 77°F	233 hours	86.10 mm / 3.39 In	8 days	1015 mb / 30 In
2023	32°C / 89°F	19°C / 67°F	25°C / 77°F	205 hours	266.00 mm / 10.47 In	11 days	1013 mb / 30 In
2024	31°C / 87°F	19°C / 67°F	24°C / 76°F	259 hours	63.78 mm / 2.51 In	2 days	1016 mb / 30 In

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