Weather in Thunder Bay: July
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Average day temperature: | 69.2°F |
| Average night temperature: | 58.8°F | |
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Sea water temperature: | 58.9°F |
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Number of sunny days: | 13 days |
| Day length: | 15.1 - 16.0 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.0 in. | |
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forecast
| Thunder Bay |
temperature
| Thunder Bay |
Air temperature in July, °F
The highest day temperature during July of 2023 was 75°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during July were 66.2°F and 56.8°F.
Sea water temperature in Thunder Bay in July, °F
The average sea water temperature in July of 2023 was 51.3°F. The highest and lowest sea temperatures during the month were 64.4°F and 41.4°F.
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Thunder Bay in July is 1.0 in. Other months of the year show relatively similar values.
The average wind speed value in July is 5.8 mph It makes July lest windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 9.5.
Best time for vacation in Thunder Bay
Thunder Bay on a weather map
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