Weather in Duluth: October
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Average day temperature: | 52.7°F |
| Average night temperature: | 43.5°F | |
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Sea water temperature: | 54.9°F |
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Number of sunny days: | 10 days |
| Day length: | 10.1 - 11.7 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.6 in. | |
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forecast
| Duluth |
temperature
| Duluth |
Air temperature in October, °F
The highest day temperature during October of 2025 was 71°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during October were 56.2°F and 48.5°F.
Sea water temperature in Duluth in October, °F
The average sea water temperature in October of 2025 was 56.9°F. The highest and lowest sea temperatures during the month were 62.4°F and 50.0°F.
Number of sunny, partly cloudy and cloudy days in October is almost equal.
Precipitation total in October, in.
Precipitation total value in Duluth in October is 0.6 in. Other months of the year show relatively similar values.
The average wind speed value in October is 7.7 mph
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 October is: 6.0.
Best time for vacation in Duluth
Duluth on a weather map
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