Summit May Weather Averages Illinois, United States of America

May Weather Averages for Summit

High Temp	19°C	67°F
Low Temp	11°C	52°F
Avg Temp	15°C	59°F
Sunshine Hours	188 hours
Rainfall	130.13 mm	5.12 In
Rain days	9 days
Pressure	1015 mb	30 In

Summit May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	16°C / 61°F	9°C / 48°F	13°C / 55°F	207 hours	55.84 mm / 2.20 In	5 days	1011 mb / 30 In
2009	18°C / 65°F	10°C / 50°F	14°C / 58°F	234 hours	86.19 mm / 3.39 In	7 days	1015 mb / 30 In
2010	19°C / 66°F	12°C / 53°F	15°C / 59°F	204 hours	152.40 mm / 6.00 In	10 days	1015 mb / 30 In
2011	17°C / 63°F	10°C / 49°F	13°C / 56°F	177 hours	130.13 mm / 5.12 In	11 days	1013 mb / 30 In
2012	21°C / 70°F	13°C / 55°F	17°C / 63°F	245 hours	121.62 mm / 4.79 In	10 days	1015 mb / 30 In
2013	19°C / 66°F	11°C / 52°F	15°C / 59°F	190 hours	141.23 mm / 5.56 In	14 days	1015 mb / 30 In
2014	18°C / 64°F	9°C / 49°F	14°C / 57°F	187 hours	101.87 mm / 4.01 In	9 days	1015 mb / 30 In
2015	19°C / 66°F	11°C / 52°F	15°C / 59°F	163 hours	156.52 mm / 6.16 In	11 days	1018 mb / 31 In
2016	18°C / 65°F	10°C / 51°F	14°C / 58°F	206 hours	90.60 mm / 3.57 In	6 days	1015 mb / 30 In
2017	17°C / 62°F	9°C / 49°F	13°C / 55°F	210 hours	100.74 mm / 3.97 In	9 days	1012 mb / 30 In
2018	22°C / 72°F	14°C / 58°F	18°C / 65°F	205 hours	188.26 mm / 7.41 In	11 days	1014 mb / 30 In
2019	18°C / 64°F	9°C / 49°F	14°C / 57°F	159 hours	189.02 mm / 7.44 In	13 days	1014 mb / 30 In
2020	18°C / 65°F	11°C / 52°F	15°C / 58°F	141 hours	136.98 mm / 5.39 In	9 days	1016 mb / 30 In
2021	19°C / 65°F	11°C / 52°F	15°C / 59°F	131 hours	109.60 mm / 4.31 In	7 days	1019 mb / 31 In
2022	21°C / 69°F	13°C / 55°F	17°C / 62°F	166 hours	143.70 mm / 5.66 In	9 days	1014 mb / 30 In
2023	20°C / 68°F	11°C / 51°F	15°C / 60°F	203 hours	83.05 mm / 3.27 In	8 days	1018 mb / 31 In
2024	23°C / 73°F	13°C / 56°F	18°C / 64°F	184 hours	150.18 mm / 5.91 In	7 days	1011 mb / 30 In

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