Grand Chain October Weather Averages Illinois, United States of America

October Weather Averages for Grand Chain

High Temp	21°C	70°F
Low Temp	11°C	51°F
Avg Temp	15°C	60°F
Sunshine Hours	217 hours
Rainfall	116.07 mm	4.57 In
Rain days	6 days
Pressure	1017 mb	31 In

Grand Chain October Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	17°C / 63°F	9°C / 48°F	13°C / 55°F	181 hours	243.63 mm / 9.59 In	10 days	1016 mb / 30 In
2010	22°C / 72°F	10°C / 51°F	16°C / 61°F	323 hours	23.90 mm / 0.94 In	5 days	1017 mb / 31 In
2011	20°C / 69°F	10°C / 49°F	14°C / 58°F	281 hours	57.60 mm / 2.27 In	5 days	1018 mb / 31 In
2012	18°C / 65°F	9°C / 48°F	13°C / 56°F	230 hours	80.20 mm / 3.16 In	4 days	1016 mb / 30 In
2013	20°C / 67°F	10°C / 51°F	15°C / 58°F	215 hours	87.86 mm / 3.46 In	6 days	1018 mb / 31 In
2014	20°C / 68°F	11°C / 51°F	15°C / 59°F	193 hours	195.20 mm / 7.69 In	9 days	1015 mb / 30 In
2015	21°C / 69°F	11°C / 52°F	15°C / 60°F	253 hours	72.80 mm / 2.87 In	5 days	1018 mb / 31 In
2016	24°C / 74°F	13°C / 56°F	18°C / 64°F	216 hours	23.50 mm / 0.93 In	4 days	1020 mb / 31 In
2017	21°C / 70°F	12°C / 53°F	16°C / 61°F	194 hours	89.08 mm / 3.51 In	8 days	1018 mb / 31 In
2018	20°C / 68°F	11°C / 52°F	15°C / 59°F	224 hours	101.85 mm / 4.01 In	9 days	1019 mb / 31 In
2019	21°C / 69°F	10°C / 50°F	15°C / 59°F	230 hours	190.53 mm / 7.50 In	6 days	1017 mb / 31 In
2020	19°C / 66°F	10°C / 50°F	14°C / 58°F	156 hours	198.82 mm / 7.83 In	11 days	1019 mb / 31 In
2021	23°C / 74°F	14°C / 57°F	18°C / 64°F	161 hours	148.30 mm / 5.84 In	9 days	1014 mb / 30 In
2022	23°C / 73°F	10°C / 50°F	16°C / 60°F	299 hours	31.57 mm / 1.24 In	2 days	1018 mb / 31 In
2023	23°C / 73°F	11°C / 51°F	16°C / 61°F	241 hours	109.69 mm / 4.32 In	4 days	1016 mb / 30 In
2024	24°C / 75°F	11°C / 51°F	17°C / 63°F	75 hours	22.30 mm / 0.88 In	1 days	1022 mb / 31 In
2025	22°C / 72°F	12°C / 54°F	17°C / 63°F	213 hours	296.30 mm / 11.67 In	5 days	1018 mb / 31 In

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