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Thunder Bay weather in August 2023
- 22°C max day temperature
22 - 8 hours of sunshine per day
- 13 days with some rainfall
13 - 10°C min night temperature
10 - 14 hours of daylight per day
14 - No heat & humidity
0 - 88 mm of monthly rainfall
88 - 6 (High) UV index
6 - 13°C sea temperature
13
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The August weather guide for Ontario (Thunder Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about Canada
How hot is it in Thunder Bay in August?
Daytime temperatures usually reach 22°C in Thunder Bay in August, falling to 10°C at night.
How sunny is it in Thunder Bay in August?
There are normally 8 hours of bright sunshine each day in Thunder Bay in August - that's 58% of daylight hours.
How warm is the sea around Thunder Bay in August?
The average sea temperature around Thunder Bay in August is 13°C.
Does it rain in Thunder Bay in August?
There are usually 13 days with some rain in Thunder Bay in August and the average monthly rainfall is 88mm.
Thunder Bay August sunrise & sunset times
Browse the sunrise and sunset times for Thunder Bay in August 2023. Select a month to view Thunder Bay sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Tuesday, 1st August 2023 | 06:32 | 21:34 |
| Wednesday, 16th August 2023 | 06:52 | 21:10 |
| Thursday, 31st August 2023 | 07:13 | 20:41 |
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