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The weather in Duluth in October is very cold with temperatures between 3°C and 11°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Duluth during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Duluth during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Duluth.
Our weather forecast can give you a great sense of what weather to expect in Duluth in October 2025.
If you’re planning to visit Duluth in the near future, we highly recommend that you review the 14 day weather forecast for Duluth before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -8° / -16° | 2 | 8 | 21 | 16 mm | Awful | Duluth in January |
| February | -6° / -15° | 2 | 8 | 19 | 21 mm | Awful | Duluth in February |
| March | 2° / -6° | 5 | 12 | 13 | 32 mm | Awful | Duluth in March |
| April | 8° / -1° | 5 | 18 | 7 | 50 mm | Bad | Duluth in April |
| May | 17° / 5° | 6 | 25 | 1 | 58 mm | Good | Duluth in May |
| June | 22° / 10° | 5 | 25 | 0 | 63 mm | Good | Duluth in June |
| July | 26° / 14° | 4 | 27 | 0 | 56 mm | Perfect | Duluth in July |
| August | 25° / 13° | 3 | 28 | 0 | 51 mm | Perfect | Duluth in August |
| September | 20° / 9° | 3 | 27 | 0 | 37 mm | Good | Duluth in September |
| October | 11° / 3° | 4 | 24 | 3 | 42 mm | Bad | Duluth in October |
| November | 3° / -3° | 4 | 16 | 10 | 26 mm | Awful | Duluth in November |
| December | -5° / -11° | 4 | 11 | 17 | 26 mm | Awful | Duluth in December |