Duluth weather in October: Duluth, Minnesota: normal highs, lows, rain and records for October
Duluth in October has a normal high of 53°F and a normal low of 36°F, a daily mean of 44°F, falling from 60°F on the 1st to 45°F by the 31st. Measurable precipitation falls on 12 days in a normal October, 2.91 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 12°C and low of 2°C, 74 mm of precipitation and 7 cm of snow in October.
- NOAA stationDuluth International Airport
- Station IDUSW00014913
- Location46.84°N 92.21°W
- Elevation1,428 ft (435 m)
- From the center6 miles
- Population87,986
- Jan 20° 2°
- Feb 25° 6°
- Mar 36° 18°
- Apr 49° 30°
- May 63° 41°
- Jun 72° 50°
- Jul 78° 56°
- Aug 76° 55°
- Sep 67° 47°
- Oct 53° 36°
- Nov 37° 23°
- Dec 25° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Duluth in October?
The normal high is 53°F and the normal low 36°F, for a daily mean of 44.1°F. October is 13.1°F cooler than September and 14.3°F warmer than November. October is the 6th warmest month of the year in Duluth and the 6th wettest. Across the month the normal high falls 15°F, from 60°F on October 1 to 45°F on October 31. From one year to the next October's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 41°F and 47°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 60°F | 41°F | 39% | 22% |
| October 8 | 57°F | 39°F | 39% | 21% |
| October 15 | 53°F | 36°F | 38% | 19% |
| October 22 | 50°F | 33°F | 37% | 18% |
| October 31 | 45°F | 30°F | 37% | 17% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 60°F | 41°F | 39% | 22% | 11 h 50 min |
| October 2 | 60°F | 41°F | 39% | 22% | 11 h 40 min |
| October 3 | 59°F | 41°F | 39% | 21% | 11 h 40 min |
| October 4 | 59°F | 40°F | 39% | 21% | 11 h 40 min |
| October 5 | 58°F | 40°F | 39% | 21% | 11 h 30 min |
| October 6 | 58°F | 40°F | 39% | 21% | 11 h 30 min |
| October 7 | 57°F | 39°F | 39% | 21% | 11 h 30 min |
| October 8 | 57°F | 39°F | 39% | 21% | 11 h 20 min |
| October 9 | 56°F | 38°F | 39% | 21% | 11 h 20 min |
| October 10 | 56°F | 38°F | 39% | 20% | 11 h 20 min |
| October 11 | 55°F | 38°F | 39% | 20% | 11 h 10 min |
| October 12 | 55°F | 37°F | 39% | 20% | 11 h 10 min |
| October 13 | 54°F | 37°F | 38% | 20% | 11 h 10 min |
| October 14 | 54°F | 36°F | 38% | 20% | 11 h |
| October 15 | 53°F | 36°F | 38% | 19% | 11 h |
| October 16 | 53°F | 36°F | 38% | 19% | 11 h |
| October 17 | 52°F | 35°F | 38% | 19% | 10 h 50 min |
| October 18 | 52°F | 35°F | 38% | 19% | 10 h 50 min |
| October 19 | 51°F | 35°F | 38% | 19% | 10 h 50 min |
| October 20 | 51°F | 34°F | 38% | 18% | 10 h 40 min |
| October 21 | 50°F | 34°F | 37% | 18% | 10 h 40 min |
| October 22 | 50°F | 33°F | 37% | 18% | 10 h 40 min |
| October 23 | 49°F | 33°F | 37% | 18% | 10 h 30 min |
| October 24 | 49°F | 33°F | 37% | 18% | 10 h 30 min |
| October 25 | 48°F | 32°F | 37% | 18% | 10 h 30 min |
| October 26 | 48°F | 32°F | 37% | 17% | 10 h 20 min |
| October 27 | 47°F | 31°F | 37% | 17% | 10 h 20 min |
| October 28 | 47°F | 31°F | 37% | 17% | 10 h 20 min |
| October 29 | 46°F | 31°F | 37% | 17% | 10 h 10 min |
| October 30 | 46°F | 30°F | 37% | 17% | 10 h 10 min |
| October 31 | 45°F | 30°F | 37% | 17% | 10 h 10 min |
- Normal high
- 53°FOctober average
- Normal low
- 36°FOctober average
- Precipitation
- 2.91 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 2.7 inmonth total
- Nights at 32°F or colder
- 11
- Daylight
- 11 h 50 min to 10 h 10 minOctober 1 to October 31
- Days at 70°F or more
- 2
- Sunshine
- 65%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014913; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Duluth in October?
On a given October day the chance of 0.01 inch or more is 38% on average, highest around October 1 (39%). In all, 2.91 in falls on 12 days of a normal October, 1 of them with an inch or more.
In a normal October in Duluth, 11 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 2.7 inches.
Snow falls on 2 days in a normal October, and an inch or more covers the ground on 2 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014913.
How humid and windy is Duluth in October?
At 3 p.m. the normal temperature is 42°F with 59% relative humidity and a dew point of 29°F; at 6 a.m. it is 34°F with 81% humidity. The wind averages 10.5 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 34°F | 29°F | 81% | 9.7 mph | 38% |
| 9 a.m. | 37°F | 30°F | 75% | 11.3 mph | 38% |
| noon | 41°F | 29°F | 62% | 11.9 mph | 32% |
| 3 p.m. | 42°F | 29°F | 59% | 12.0 mph | 39% |
| 6 p.m. | 38°F | 28°F | 68% | 9.6 mph | 40% |
| 9 p.m. | 36°F | 29°F | 73% | 9.7 mph | 44% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014913. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for October in Duluth?
The warmest October temperature on Duluth's official record (since 1874) is 86°F, on October 2, 1953; the coldest is 6°F, on October 27, 1917. The wettest October brought 7.53 in (1949); the snowiest, 14.0 inches (1933).
The October mean against the 1991-2020 normal of 44.1°F: 2021 50.7°F (+6.6), 2022 46.2°F (+2.1), 2023 45.6°F (+1.5), 2024 50.1°F (+6.0), 2025 48.4°F (+4.3). 5 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.7°F | +6.6°F | 2.00 in |
| 2022 | 46.2°F | +2.1°F | 0.79 in |
| 2023 | 45.6°F | +1.5°F | 1.50 in |
| 2024 | 50.1°F | +6.0°F | 1.05 in |
| 2025 | 48.4°F | +4.3°F | 0.56 in |
Source: records: ACIS, NWS threaded record DLHthr; recent months: ACIS, station USW00014913. Records and recent months use complete months only.
How does October in Duluth compare across Minnesota?
Across the 129 places PlainClimate covers in Minnesota, October normal highs run from 49°F in Lutsen to 62°F in Amboy; Duluth's is 53°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.