Grand Chain May Weather Averages Illinois, United States of America

May Weather Averages for Grand Chain

High Temp	24°C	76°F
Low Temp	15°C	58°F
Avg Temp	19°C	67°F
Sunshine Hours	179 hours
Rainfall	152.14 mm	5.99 In
Rain days	10 days
Pressure	1015 mb	30 In

Grand Chain May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	24°C / 74°F	14°C / 58°F	19°C / 66°F	181 hours	148.93 mm / 5.86 In	10 days	1016 mb / 30 In
2010	25°C / 78°F	16°C / 60°F	20°C / 69°F	199 hours	147.47 mm / 5.81 In	11 days	1014 mb / 30 In
2011	24°C / 75°F	13°C / 56°F	18°C / 65°F	197 hours	217.21 mm / 8.55 In	9 days	1013 mb / 30 In
2012	29°C / 83°F	17°C / 62°F	22°C / 72°F	291 hours	48.76 mm / 1.92 In	4 days	1014 mb / 30 In
2013	24°C / 76°F	14°C / 57°F	19°C / 66°F	174 hours	125.52 mm / 4.94 In	8 days	1015 mb / 30 In
2014	25°C / 76°F	14°C / 58°F	19°C / 67°F	161 hours	148.47 mm / 5.85 In	11 days	1016 mb / 30 In
2015	25°C / 76°F	15°C / 58°F	19°C / 67°F	162 hours	160.41 mm / 6.32 In	14 days	1019 mb / 31 In
2016	23°C / 74°F	13°C / 56°F	18°C / 64°F	154 hours	167.00 mm / 6.57 In	14 days	1016 mb / 30 In
2017	24°C / 75°F	14°C / 57°F	19°C / 66°F	224 hours	117.76 mm / 4.64 In	8 days	1012 mb / 30 In
2018	28°C / 82°F	18°C / 64°F	23°C / 73°F	234 hours	115.52 mm / 4.55 In	14 days	1015 mb / 30 In
2019	24°C / 76°F	16°C / 60°F	20°C / 68°F	184 hours	222.42 mm / 8.76 In	11 days	1014 mb / 30 In
2020	21°C / 71°F	13°C / 55°F	17°C / 63°F	119 hours	140.60 mm / 5.54 In	14 days	1016 mb / 30 In
2021	22°C / 71°F	13°C / 55°F	17°C / 63°F	159 hours	137.12 mm / 5.40 In	10 days	1019 mb / 31 In
2022	26°C / 79°F	15°C / 60°F	20°C / 69°F	193 hours	97.63 mm / 3.84 In	10 days	1014 mb / 30 In
2023	25°C / 76°F	14°C / 57°F	19°C / 66°F	192 hours	100.00 mm / 3.94 In	11 days	1016 mb / 30 In
2024	25°C / 76°F	16°C / 60°F	20°C / 68°F	153 hours	165.52 mm / 6.52 In	9 days	1011 mb / 30 In
2025	22°C / 72°F	15°C / 58°F	18°C / 65°F	73 hours	326.13 mm / 12.84 In	9 days	1014 mb / 30 In

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