Ottawa May Weather Averages Illinois, United States of America

May Weather Averages for Ottawa

High Temp	22°C	71°F
Low Temp	12°C	53°F
Avg Temp	17°C	62°F
Sunshine Hours	175 hours
Rainfall	160.28 mm	6.31 In
Rain days	11 days
Pressure	1015 mb	30 In

Ottawa May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	19°C / 66°F	9°C / 49°F	14°C / 57°F	211 hours	145.60 mm / 5.73 In	9 days	1011 mb / 30 In
2009	21°C / 70°F	10°C / 51°F	16°C / 60°F	218 hours	146.67 mm / 5.77 In	9 days	1015 mb / 30 In
2010	22°C / 71°F	12°C / 54°F	17°C / 62°F	192 hours	143.98 mm / 5.67 In	13 days	1015 mb / 30 In
2011	21°C / 69°F	10°C / 51°F	16°C / 60°F	184 hours	185.60 mm / 7.31 In	16 days	1012 mb / 30 In
2012	24°C / 76°F	13°C / 56°F	19°C / 66°F	267 hours	132.12 mm / 5.20 In	9 days	1014 mb / 30 In
2013	22°C / 72°F	12°C / 54°F	17°C / 63°F	165 hours	195.51 mm / 7.70 In	14 days	1014 mb / 30 In
2014	22°C / 71°F	11°C / 52°F	16°C / 62°F	173 hours	184.77 mm / 7.27 In	11 days	1015 mb / 30 In
2015	22°C / 72°F	12°C / 54°F	17°C / 63°F	187 hours	179.29 mm / 7.06 In	13 days	1018 mb / 31 In
2016	21°C / 70°F	11°C / 52°F	16°C / 61°F	178 hours	126.26 mm / 4.97 In	8 days	1015 mb / 30 In
2017	19°C / 67°F	10°C / 50°F	15°C / 58°F	180 hours	152.42 mm / 6.00 In	11 days	1012 mb / 30 In
2018	26°C / 79°F	15°C / 60°F	20°C / 69°F	196 hours	197.84 mm / 7.79 In	14 days	1014 mb / 30 In
2019	21°C / 69°F	11°C / 51°F	16°C / 61°F	134 hours	228.72 mm / 9.00 In	15 days	1014 mb / 30 In
2020	19°C / 67°F	11°C / 51°F	15°C / 59°F	97 hours	154.98 mm / 6.10 In	11 days	1016 mb / 30 In
2021	20°C / 67°F	11°C / 52°F	15°C / 59°F	124 hours	177.78 mm / 7.00 In	13 days	1019 mb / 31 In
2022	23°C / 73°F	13°C / 55°F	18°C / 64°F	146 hours	130.50 mm / 5.14 In	11 days	1013 mb / 30 In
2023	23°C / 73°F	12°C / 53°F	17°C / 63°F	215 hours	90.15 mm / 3.55 In	6 days	1017 mb / 31 In
2024	23°C / 73°F	13°C / 55°F	17°C / 63°F	148 hours	137.94 mm / 5.43 In	6 days	1011 mb / 30 In

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