Climate averages 1991–2020
Duluth weather
in October.
A cool, wet month: the 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Duluth: daytime highs average 11.6°C and nights cool to about 6.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 103 mm of rain on roughly 11 days, which makes October a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 56 min on an average October day.
The nearest other city in this atlas is Brooklyn Park (211 km away). In October its highs average 13.4°C, 1.8°C warmer than Duluth, with 67 mm of rain.
Among the 498 cities listed in the United States, Duluth ranks 497th of 498 for the warmest October highs and joint 431st of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Duluth is 9.8°C cooler than that mean.
From October to November, average highs fall by 8.0°C to 3.6°C, and monthly rainfall falls from 103 mm to 66 mm.
The annual picture
October in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Duluth climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -7.2°C-13.9°C | -13.9°C | 26 | 6.3 | 9.09 h |
| February | -5.2°C-12.0°C | -12.0°C | 28 | 5.4 | 10.310 h |
| March | 0.5°C-6.1°C | -6.1°C | 49 | 7.3 | 11.912 h |
| April | 6.5°C-0.2°C | -0.2°C | 84 | 10.2 | 13.614 h |
| May | 13.4°C6.5°C | 6.5°C | 97 | 11.1 | 15.015 h |
| June | 19.6°C13.2°C | 13.2°C | 105 | 11.6 | 15.816 h |
| July | 23.9°C17.8°C | 17.8°C | 98 | 11.7 | 15.515 h |
| August | 23.6°C17.8°C | 17.8°C | 102 | 10.5 | 14.214 h |
| September | 19.5°C13.8°C | 13.8°C | 92 | 10.6 | 12.613 h |
| October, selected | 11.6°C6.6°C | 6.6°C | 103 | 10.8 | 10.911 h |
| November | 3.6°C-1.1°C | -1.1°C | 66 | 8.9 | 9.49 h |
| December | -3.2°C-8.8°C | -8.8°C | 45 | 7.5 | 8.69 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Brooklyn Park in OctoberUnited States · 211 kmHigh 13.4°C · Low 5.9°C · 67 mm rain
- Saint Paul in OctoberUnited States · 218 kmHigh 13.7°C · Low 6.1°C · 68 mm rain
- Minneapolis in OctoberUnited States · 220 kmHigh 13.6°C · Low 6.0°C · 67 mm rain
- Plymouth, United States in OctoberUnited States · 223 kmHigh 13.4°C · Low 5.9°C · 66 mm rain
- Bloomington (Minnesota), United States in OctoberUnited States · 235 kmHigh 13.8°C · Low 6.4°C · 64 mm rain
- Thunder Bay in OctoberCanada · 278 kmHigh 9.9°C · Low 4.8°C · 72 mm rain
- Rochester (Minnesota), United States in OctoberUnited States · 308 kmHigh 13.7°C · Low 5.8°C · 68 mm rain
- Fargo in OctoberUnited States · 356 kmHigh 12.2°C · Low 3.8°C · 60 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Duluth) is explained once on the Duluth year overview and on the Sources, method and limits page.