August Weather Averages for Thunder Bay

High Temp22°C71°F
Low Temp14°C57°F
Avg Temp17°C63°F
Sunshine Hours226 hours 
Rainfall97.22 mm3.83 In
Rain days7 days 
Pressure1013 mb30 In

 

Thunder Bay August Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200919°C / 67°F13°C / 55°F16°C / 61°F206 hours148.61 mm / 5.85 In8 days1013 mb / 30 In
201023°C / 74°F15°C / 60°F19°C / 67°F265 hours90.54 mm / 3.56 In7 days1010 mb / 30 In
201123°C / 73°F15°C / 59°F19°C / 66°F283 hours43.36 mm / 1.71 In6 days1010 mb / 30 In
201223°C / 73°F15°C / 58°F18°C / 65°F275 hours55.01 mm / 2.17 In2 days1012 mb / 30 In
201322°C / 71°F14°C / 58°F18°C / 64°F284 hours79.41 mm / 3.13 In5 days1014 mb / 30 In
201419°C / 67°F12°C / 54°F16°C / 60°F222 hours55.99 mm / 2.20 In4 days1015 mb / 30 In
201521°C / 70°F13°C / 56°F17°C / 63°F194 hours96.69 mm / 3.81 In8 days1011 mb / 30 In
201623°C / 74°F15°C / 59°F19°C / 66°F223 hours40.60 mm / 1.60 In9 days1014 mb / 30 In
201720°C / 68°F13°C / 55°F16°C / 61°F222 hours65.08 mm / 2.56 In9 days1016 mb / 30 In
201822°C / 71°F13°C / 56°F17°C / 63°F236 hours90.87 mm / 3.58 In7 days1013 mb / 30 In
201920°C / 68°F13°C / 56°F17°C / 62°F210 hours75.36 mm / 2.97 In10 days1012 mb / 30 In
202021°C / 70°F14°C / 57°F17°C / 63°F188 hours115.51 mm / 4.55 In10 days1013 mb / 30 In
202123°C / 73°F15°C / 60°F19°C / 66°F215 hours94.51 mm / 3.72 In6 days1013 mb / 30 In
202221°C / 71°F14°C / 57°F17°C / 63°F200 hours83.23 mm / 3.28 In7 days1015 mb / 30 In
202322°C / 71°F12°C / 54°F17°C / 62°F181 hours114.85 mm / 4.52 In5 days1014 mb / 30 In
202422°C / 71°F14°C / 57°F17°C / 63°F260 hours87.91 mm / 3.46 In3 days1016 mb / 30 In
202522°C / 71°F13°C / 56°F17°C / 63°F134 hours194.50 mm / 7.66 In3 days1017 mb / 31 In
202623°C / 74°F13°C / 55°F18°C / 65°F275 hours218.00 mm / 8.58 In14 days1014 mb / 30 In

Need more than one day of Thunder Bay history?

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Weather history near Thunder Bay

Region

Ontario

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Thunder Bay weather history: common questions

How far back does Thunder Bay weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Thunder Bay historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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