Grand Chain August Weather Averages Illinois, United States of America

August Weather Averages for Grand Chain

High Temp	31°C	87°F
Low Temp	20°C	68°F
Avg Temp	25°C	77°F
Sunshine Hours	242 hours
Rainfall	99.17 mm	3.90 In
Rain days	7 days
Pressure	1015 mb	30 In

Grand Chain August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	30°C / 87°F	19°C / 67°F	24°C / 76°F	322 hours	54.11 mm / 2.13 In	6 days	1016 mb / 30 In
2010	34°C / 94°F	22°C / 72°F	28°C / 82°F	324 hours	21.17 mm / 0.83 In	6 days	1014 mb / 30 In
2011	33°C / 91°F	21°C / 70°F	26°C / 79°F	306 hours	20.92 mm / 0.82 In	4 days	1013 mb / 30 In
2012	31°C / 88°F	20°C / 68°F	25°C / 77°F	240 hours	100.22 mm / 3.95 In	6 days	1014 mb / 30 In
2013	30°C / 86°F	19°C / 67°F	24°C / 75°F	210 hours	93.72 mm / 3.69 In	9 days	1017 mb / 30 In
2014	32°C / 89°F	20°C / 68°F	25°C / 78°F	237 hours	74.80 mm / 2.94 In	7 days	1015 mb / 30 In
2015	30°C / 86°F	18°C / 65°F	24°C / 75°F	281 hours	167.62 mm / 6.60 In	7 days	1016 mb / 30 In
2016	30°C / 86°F	21°C / 71°F	25°C / 78°F	152 hours	197.02 mm / 7.76 In	17 days	1016 mb / 30 In
2017	28°C / 83°F	19°C / 66°F	23°C / 74°F	263 hours	72.23 mm / 2.84 In	7 days	1016 mb / 30 In
2018	30°C / 85°F	21°C / 69°F	25°C / 77°F	228 hours	111.42 mm / 4.39 In	13 days	1016 mb / 30 In
2019	30°C / 87°F	21°C / 69°F	25°C / 77°F	283 hours	69.99 mm / 2.76 In	10 days	1015 mb / 30 In
2020	28°C / 82°F	20°C / 67°F	24°C / 74°F	161 hours	88.63 mm / 3.49 In	7 days	1014 mb / 30 In
2021	31°C / 88°F	21°C / 70°F	26°C / 78°F	182 hours	61.50 mm / 2.42 In	8 days	1016 mb / 30 In
2022	31°C / 89°F	20°C / 69°F	25°C / 78°F	214 hours	106.62 mm / 4.20 In	9 days	1016 mb / 30 In
2023	32°C / 89°F	20°C / 68°F	25°C / 77°F	227 hours	286.35 mm / 11.27 In	9 days	1013 mb / 30 In
2024	33°C / 92°F	20°C / 67°F	26°C / 79°F	289 hours	28.41 mm / 1.12 In	2 days	1016 mb / 30 In
2025	30°C / 86°F	19°C / 67°F	25°C / 76°F	189 hours	131.20 mm / 5.17 In	0 days	1018 mb / 31 In

Illinois

Hotels Near Grand Chain

Cities Near Grand Chain

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, pollen, evapotranspiration, autocomplete, time zone, astronomy and sports data into your new or existing project.

Get Started