Riverdale May Weather Averages Illinois, United States of America

May Weather Averages for Riverdale

High Temp	19°C	67°F
Low Temp	11°C	53°F
Avg Temp	15°C	60°F
Sunshine Hours	188 hours
Rainfall	136.22 mm	5.36 In
Rain days	10 days
Pressure	1015 mb	30 In

Riverdale May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	17°C / 62°F	9°C / 48°F	13°C / 55°F	211 hours	82.96 mm / 3.27 In	7 days	1011 mb / 30 In
2009	19°C / 66°F	11°C / 51°F	15°C / 59°F	233 hours	82.90 mm / 3.26 In	8 days	1015 mb / 30 In
2010	20°C / 68°F	12°C / 54°F	16°C / 61°F	203 hours	155.29 mm / 6.11 In	12 days	1015 mb / 30 In
2011	18°C / 64°F	10°C / 51°F	14°C / 57°F	167 hours	144.22 mm / 5.68 In	12 days	1013 mb / 30 In
2012	22°C / 71°F	13°C / 56°F	18°C / 64°F	262 hours	110.06 mm / 4.33 In	9 days	1015 mb / 30 In
2013	20°C / 68°F	12°C / 53°F	16°C / 60°F	182 hours	170.00 mm / 6.69 In	14 days	1015 mb / 30 In
2014	18°C / 65°F	10°C / 50°F	14°C / 58°F	187 hours	95.84 mm / 3.77 In	7 days	1015 mb / 30 In
2015	20°C / 67°F	12°C / 53°F	16°C / 60°F	159 hours	132.85 mm / 5.23 In	10 days	1018 mb / 31 In
2016	18°C / 65°F	11°C / 51°F	15°C / 58°F	185 hours	94.70 mm / 3.73 In	6 days	1015 mb / 30 In
2017	17°C / 62°F	10°C / 49°F	13°C / 56°F	207 hours	94.30 mm / 3.71 In	9 days	1012 mb / 30 In
2018	23°C / 73°F	15°C / 59°F	19°C / 65°F	207 hours	172.14 mm / 6.78 In	14 days	1014 mb / 30 In
2019	18°C / 65°F	10°C / 50°F	14°C / 58°F	159 hours	231.31 mm / 9.11 In	15 days	1014 mb / 30 In
2020	18°C / 64°F	11°C / 52°F	15°C / 58°F	152 hours	150.47 mm / 5.92 In	10 days	1016 mb / 30 In
2021	18°C / 65°F	12°C / 53°F	15°C / 59°F	130 hours	120.81 mm / 4.76 In	9 days	1019 mb / 31 In
2022	21°C / 69°F	13°C / 55°F	17°C / 62°F	175 hours	141.90 mm / 5.59 In	10 days	1014 mb / 30 In
2023	19°C / 67°F	11°C / 51°F	15°C / 59°F	219 hours	73.25 mm / 2.88 In	8 days	1018 mb / 31 In
2024	21°C / 70°F	13°C / 55°F	17°C / 62°F	179 hours	209.52 mm / 8.25 In	7 days	1011 mb / 30 In

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