| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 19.0 | 2.5 | 48 | -39 | 0.9 | 16.8 |
| February | 23.9 | 5.9 | 55 | -39 | 1.0 | 15.1 |
| March | 35.3 | 17.8 | 75 | -29 | 1.5 | 12.8 |
| April | 48.2 | 29.9 | 88 | -5 | 2.5 | 9.1 |
| May | 62.1 | 41.0 | 92 | 17 | 3.4 | 0.8 |
| June | 71.2 | 50.3 | 94 | 27 | 4.4 | 0.0 |
| July | 76.8 | 56.3 | 97 | 35 | 3.9 | 0.0 |
| August | 74.9 | 55.3 | 95 | 32 | 3.7 | 0.0 |
| September | 66.2 | 47.4 | 97 | 23 | 3.5 | 0.1 |
| October | 51.8 | 35.7 | 86 | 8 | 2.9 | 2.6 |
| November | 36.3 | 22.6 | 75 | -23 | 2.0 | 14.1 |
| December | 23.8 | 9.6 | 55 | -34 | 1.5 | 18.6 |
| Entire year | 49.2 | 31.3 | 97 | -39 | 31.1 | 88.3 |
|
More Duluth Weather Records
1948–2024
|
||
|---|---|---|
| Highest daily low | 77 °F | August 25, 2013 |
| Lowest daily high | -22 °F | January 9, 1982 |
| Greatest daily range (Difference of high and low) |
54 °F | May 20, 2009 |
| Greatest difference in daily high over two conscutive days |
45 °F | Jan 8–9, 1965 |
| Most daily precipitation | 4.1 inches | June 19, 2012 |
| Most monthly precipitation | 10.4 inches | September 2023 |
| Most yearly precipitation | 43.4 inches | 1991 |
| Most yearly days with precipitation | 161 | 1965 |
| Earliest snow in season | September 18 | 1991 |
| Latest snow in season | May 28 | 1965 |
| Most daily snow | 24.1 inches | November 1, 1991 |
| Most monthly snow | 50.8 inches | April 2013 |
| Most yearly snow | 168.9 inches | 1950 |
| Most snow in a winter | 140.1 inches | 2022–2023 |
| Greatest snow accumulation | 48.0 inches | March 19, 1965 |
| Earliest freeze | September 1 | 1974 |
| Earliest day ≥ 70 °F | March 7 | 2000 |
| Earliest day ≥ 80 °F | April 10 | 1977 |
| Earliest day ≥ 90 °F | May 6 | 2016 |
| Latest freeze | June 21 | 1992 |
| Latest day ≥ 70 °F | November 9 | 1999 |
| Latest day ≥ 80 °F | October 17 | 1961 |
| Latest day ≥ 90 °F | September 19 | 1984 |
| Most days in a year < 0 °F | 65 | 1950 |
| Most days in a year < 32 °F | 196 | 1961 |
| Most days in a year ≥ 80 °F | 53 | 1988 |
| Most days in a year ≥ 90 °F | 9 | 1988 |
|
Duluth Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 13 days | Sep 11–23, 1965 |
| Without precipitation | 31 days | Oct 16 – Nov 15, 1952 |
| With snow | 10 days | Dec 25, 2016 – Jan 3, 2017 |
| High temperature at or below freezing |
76 days | Dec 2, 1970 – Feb 15, 1971 |
| High temperature ≥ 80 °F | 14 days | Aug 15–28, 2013 |
| High temperature ≥ 90 °F | 4 days | Aug 5–8, 2001 |
| Years | Station | Coordinates |
|---|---|---|
| 1948–2024 | Duluth | location |