Washington August Weather Averages Illinois, United States of America

August Weather Averages for Washington

High Temp	28°C	82°F
Low Temp	18°C	64°F
Avg Temp	23°C	73°F
Sunshine Hours	239 hours
Rainfall	86.76 mm	3.42 In
Rain days	7 days
Pressure	1015 mb	30 In

Washington August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	28°C / 83°F	17°C / 62°F	22°C / 72°F	301 hours	29.61 mm / 1.17 In	3 days	1015 mb / 30 In
2009	26°C / 79°F	17°C / 62°F	21°C / 70°F	246 hours	105.39 mm / 4.15 In	11 days	1016 mb / 30 In
2010	30°C / 86°F	19°C / 66°F	24°C / 75°F	317 hours	112.48 mm / 4.43 In	8 days	1014 mb / 30 In
2011	28°C / 82°F	18°C / 64°F	23°C / 73°F	253 hours	50.93 mm / 2.01 In	6 days	1013 mb / 30 In
2012	27°C / 81°F	17°C / 63°F	22°C / 72°F	225 hours	92.00 mm / 3.62 In	5 days	1014 mb / 30 In
2013	27°C / 81°F	17°C / 63°F	22°C / 72°F	292 hours	27.87 mm / 1.10 In	4 days	1016 mb / 30 In
2014	28°C / 82°F	18°C / 65°F	23°C / 73°F	195 hours	50.78 mm / 2.00 In	8 days	1014 mb / 30 In
2015	27°C / 81°F	17°C / 63°F	22°C / 71°F	300 hours	59.70 mm / 2.35 In	6 days	1015 mb / 30 In
2016	28°C / 82°F	20°C / 67°F	24°C / 74°F	219 hours	150.36 mm / 5.92 In	8 days	1016 mb / 30 In
2017	26°C / 78°F	16°C / 61°F	21°C / 69°F	261 hours	83.80 mm / 3.30 In	7 days	1016 mb / 30 In
2018	28°C / 82°F	19°C / 66°F	23°C / 73°F	234 hours	115.94 mm / 4.56 In	10 days	1015 mb / 30 In
2019	26°C / 79°F	17°C / 63°F	22°C / 71°F	241 hours	78.09 mm / 3.07 In	10 days	1015 mb / 30 In
2020	27°C / 81°F	18°C / 64°F	23°C / 73°F	204 hours	12.64 mm / 0.50 In	5 days	1014 mb / 30 In
2021	28°C / 83°F	19°C / 66°F	23°C / 74°F	182 hours	110.20 mm / 4.34 In	12 days	1015 mb / 30 In
2022	30°C / 86°F	18°C / 64°F	24°C / 75°F	215 hours	44.77 mm / 1.76 In	6 days	1015 mb / 30 In
2023	30°C / 85°F	17°C / 63°F	23°C / 74°F	211 hours	166.10 mm / 6.54 In	7 days	1013 mb / 30 In
2024	28°C / 82°F	18°C / 64°F	22°C / 72°F	230 hours	127.14 mm / 5.01 In	3 days	1016 mb / 30 In

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