Sarnia May Weather Averages Ontario, Canada

May Weather Averages for Sarnia

High Temp	18°C	64°F
Low Temp	9°C	49°F
Avg Temp	14°C	56°F
Sunshine Hours	183 hours
Rainfall	96.20 mm	3.79 In
Rain days	8 days
Pressure	1016 mb	30 In

Sarnia May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	16°C / 60°F	7°C / 45°F	11°C / 53°F	185 hours	128.83 mm / 5.07 In	10 days	1011 mb / 30 In
2009	17°C / 63°F	8°C / 47°F	13°C / 56°F	234 hours	80.00 mm / 3.15 In	9 days	1016 mb / 30 In
2010	19°C / 65°F	11°C / 51°F	15°C / 58°F	233 hours	135.59 mm / 5.34 In	8 days	1016 mb / 30 In
2011	18°C / 64°F	9°C / 48°F	13°C / 56°F	149 hours	114.89 mm / 4.52 In	12 days	1014 mb / 30 In
2012	21°C / 70°F	11°C / 52°F	16°C / 61°F	253 hours	57.62 mm / 2.27 In	8 days	1015 mb / 30 In
2013	20°C / 68°F	10°C / 50°F	15°C / 59°F	208 hours	91.99 mm / 3.62 In	8 days	1016 mb / 30 In
2014	18°C / 64°F	8°C / 47°F	13°C / 55°F	162 hours	135.57 mm / 5.34 In	8 days	1016 mb / 30 In
2015	20°C / 69°F	10°C / 50°F	15°C / 59°F	189 hours	89.34 mm / 3.52 In	11 days	1019 mb / 31 In
2016	18°C / 64°F	9°C / 48°F	13°C / 56°F	182 hours	53.75 mm / 2.12 In	5 days	1015 mb / 30 In
2017	16°C / 61°F	8°C / 47°F	12°C / 54°F	193 hours	135.04 mm / 5.32 In	9 days	1012 mb / 30 In
2018	21°C / 70°F	10°C / 51°F	16°C / 60°F	227 hours	101.60 mm / 4.00 In	6 days	1016 mb / 30 In
2019	16°C / 61°F	7°C / 45°F	11°C / 53°F	120 hours	101.83 mm / 4.01 In	11 days	1015 mb / 30 In
2020	15°C / 58°F	8°C / 46°F	11°C / 52°F	102 hours	109.16 mm / 4.30 In	9 days	1016 mb / 30 In
2021	16°C / 61°F	9°C / 48°F	12°C / 54°F	126 hours	74.92 mm / 2.95 In	9 days	1020 mb / 31 In
2022	18°C / 65°F	10°C / 50°F	14°C / 57°F	182 hours	86.90 mm / 3.42 In	7 days	1016 mb / 30 In
2023	17°C / 63°F	8°C / 46°F	12°C / 54°F	220 hours	51.55 mm / 2.03 In	4 days	1018 mb / 31 In
2024	18°C / 64°F	10°C / 51°F	14°C / 57°F	149 hours	119.40 mm / 4.70 In	8 days	1012 mb / 30 In

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