Thunder Bay August Weather Averages Ontario, Canada

August Weather Averages for Thunder Bay

High Temp	21°C	71°F
Low Temp	14°C	57°F
Avg Temp	17°C	63°F
Sunshine Hours	229 hours
Rainfall	83.59 mm	3.29 In
Rain days	7 days
Pressure	1013 mb	30 In

Thunder Bay August Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	22°C / 72°F	14°C / 58°F	18°C / 65°F	304 hours	60.53 mm / 2.38 In	5 days	1014 mb / 30 In
2009	19°C / 67°F	13°C / 55°F	16°C / 61°F	206 hours	148.61 mm / 5.85 In	8 days	1013 mb / 30 In
2010	23°C / 74°F	15°C / 60°F	19°C / 67°F	265 hours	90.54 mm / 3.56 In	7 days	1010 mb / 30 In
2011	23°C / 73°F	15°C / 59°F	19°C / 66°F	283 hours	43.36 mm / 1.71 In	6 days	1010 mb / 30 In
2012	23°C / 73°F	15°C / 58°F	18°C / 65°F	275 hours	55.01 mm / 2.17 In	2 days	1012 mb / 30 In
2013	22°C / 71°F	14°C / 58°F	18°C / 64°F	284 hours	79.41 mm / 3.13 In	5 days	1014 mb / 30 In
2014	19°C / 67°F	12°C / 54°F	16°C / 60°F	222 hours	55.99 mm / 2.20 In	4 days	1015 mb / 30 In
2015	21°C / 70°F	13°C / 56°F	17°C / 63°F	194 hours	96.69 mm / 3.81 In	8 days	1011 mb / 30 In
2016	23°C / 74°F	15°C / 59°F	19°C / 66°F	223 hours	40.60 mm / 1.60 In	9 days	1014 mb / 30 In
2017	20°C / 68°F	13°C / 55°F	16°C / 61°F	222 hours	65.08 mm / 2.56 In	9 days	1016 mb / 30 In
2018	22°C / 71°F	13°C / 56°F	17°C / 63°F	236 hours	90.87 mm / 3.58 In	7 days	1013 mb / 30 In
2019	20°C / 68°F	13°C / 56°F	17°C / 62°F	210 hours	75.36 mm / 2.97 In	10 days	1012 mb / 30 In
2020	21°C / 70°F	14°C / 57°F	17°C / 63°F	188 hours	115.51 mm / 4.55 In	10 days	1013 mb / 30 In
2021	23°C / 73°F	15°C / 60°F	19°C / 66°F	215 hours	94.51 mm / 3.72 In	6 days	1013 mb / 30 In
2022	21°C / 71°F	14°C / 57°F	17°C / 63°F	200 hours	83.23 mm / 3.28 In	7 days	1015 mb / 30 In
2023	22°C / 71°F	12°C / 54°F	17°C / 62°F	181 hours	114.85 mm / 4.52 In	5 days	1014 mb / 30 In
2024	22°C / 71°F	14°C / 57°F	17°C / 63°F	260 hours	87.90 mm / 3.46 In	3 days	1016 mb / 30 In

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