Saint Charles May Weather Averages Illinois, United States of America

May Weather Averages for Saint Charles

High Temp	20°C	69°F
Low Temp	11°C	51°F
Avg Temp	16°C	60°F
Sunshine Hours	176 hours
Rainfall	135.07 mm	5.32 In
Rain days	10 days
Pressure	1015 mb	30 In

Saint Charles May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	19°C / 67°F	10°C / 50°F	15°C / 58°F	226 hours	103.13 mm / 4.06 In	9 days	1015 mb / 30 In
2010	20°C / 69°F	11°C / 53°F	16°C / 61°F	205 hours	136.11 mm / 5.36 In	8 days	1015 mb / 30 In
2011	19°C / 66°F	9°C / 49°F	14°C / 58°F	164 hours	136.00 mm / 5.35 In	15 days	1013 mb / 30 In
2012	23°C / 73°F	13°C / 55°F	18°C / 64°F	245 hours	122.24 mm / 4.81 In	10 days	1014 mb / 30 In
2013	21°C / 69°F	11°C / 52°F	16°C / 61°F	170 hours	139.06 mm / 5.47 In	11 days	1014 mb / 30 In
2014	20°C / 69°F	10°C / 50°F	15°C / 59°F	188 hours	121.96 mm / 4.80 In	8 days	1015 mb / 30 In
2015	21°C / 69°F	11°C / 52°F	16°C / 61°F	158 hours	142.87 mm / 5.62 In	15 days	1018 mb / 31 In
2016	20°C / 68°F	10°C / 51°F	15°C / 59°F	185 hours	106.10 mm / 4.18 In	6 days	1015 mb / 30 In
2017	18°C / 64°F	9°C / 48°F	13°C / 56°F	206 hours	111.26 mm / 4.38 In	10 days	1012 mb / 30 In
2018	25°C / 77°F	15°C / 59°F	20°C / 67°F	202 hours	219.29 mm / 8.63 In	13 days	1014 mb / 30 In
2019	20°C / 68°F	10°C / 50°F	15°C / 59°F	123 hours	173.19 mm / 6.82 In	14 days	1014 mb / 30 In
2020	18°C / 65°F	10°C / 50°F	14°C / 57°F	117 hours	178.33 mm / 7.02 In	9 days	1016 mb / 30 In
2021	19°C / 66°F	10°C / 50°F	14°C / 58°F	118 hours	104.84 mm / 4.13 In	11 days	1019 mb / 31 In
2022	21°C / 70°F	12°C / 53°F	16°C / 62°F	148 hours	118.50 mm / 4.67 In	11 days	1014 mb / 30 In
2023	21°C / 70°F	10°C / 50°F	15°C / 60°F	203 hours	90.50 mm / 3.56 In	7 days	1018 mb / 31 In
2024	21°C / 70°F	11°C / 53°F	16°C / 61°F	160 hours	157.70 mm / 6.21 In	9 days	1011 mb / 30 In

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