Decatur October Weather Averages Illinois, United States of America

October Weather Averages for Decatur

High Temp	18°C	65°F
Low Temp	9°C	48°F
Avg Temp	13°C	56°F
Sunshine Hours	208 hours
Rainfall	98.36 mm	3.87 In
Rain days	7 days
Pressure	1017 mb	31 In

Decatur October Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	14°C / 57°F	7°C / 44°F	10°C / 50°F	163 hours	228.35 mm / 8.99 In	9 days	1015 mb / 30 In
2010	20°C / 68°F	9°C / 48°F	14°C / 57°F	289 hours	36.40 mm / 1.43 In	5 days	1016 mb / 30 In
2011	18°C / 65°F	9°C / 47°F	13°C / 56°F	274 hours	59.07 mm / 2.33 In	6 days	1017 mb / 31 In
2012	16°C / 60°F	7°C / 45°F	11°C / 52°F	214 hours	99.18 mm / 3.90 In	7 days	1015 mb / 30 In
2013	18°C / 64°F	8°C / 47°F	13°C / 55°F	226 hours	78.03 mm / 3.07 In	5 days	1017 mb / 31 In
2014	17°C / 62°F	9°C / 48°F	13°C / 55°F	184 hours	167.79 mm / 6.61 In	9 days	1014 mb / 30 In
2015	19°C / 66°F	10°C / 50°F	14°C / 58°F	266 hours	46.58 mm / 1.83 In	4 days	1018 mb / 31 In
2016	21°C / 69°F	11°C / 53°F	16°C / 61°F	231 hours	60.90 mm / 2.40 In	6 days	1019 mb / 31 In
2017	19°C / 67°F	11°C / 51°F	15°C / 58°F	172 hours	164.43 mm / 6.47 In	11 days	1017 mb / 31 In
2018	18°C / 64°F	9°C / 48°F	13°C / 56°F	225 hours	84.34 mm / 3.32 In	11 days	1018 mb / 31 In
2019	17°C / 63°F	8°C / 47°F	12°C / 54°F	204 hours	148.96 mm / 5.86 In	7 days	1016 mb / 30 In
2020	17°C / 62°F	8°C / 46°F	12°C / 54°F	184 hours	81.84 mm / 3.22 In	11 days	1019 mb / 31 In
2021	21°C / 69°F	13°C / 55°F	16°C / 61°F	126 hours	153.90 mm / 6.06 In	10 days	1013 mb / 30 In
2022	19°C / 67°F	8°C / 47°F	13°C / 56°F	295 hours	60.70 mm / 2.39 In	5 days	1017 mb / 31 In
2023	20°C / 69°F	9°C / 48°F	14°C / 58°F	204 hours	86.02 mm / 3.39 In	5 days	1015 mb / 30 In
2024	21°C / 69°F	9°C / 48°F	15°C / 59°F	78 hours	17.23 mm / 0.68 In	2 days	1021 mb / 31 In

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