Recent Minimum and Maximum Temperatures in Duluth, Minnesota
Average daily temperatures in Duluth, Minnesota, including the 31 year minima and maxima. Due to the possible presence of missing data c.f. the actual day counts involved in the calculations. Keep in mind that the "raw" daily data represent average day temperatures already. The minima and maxima regard thus the coolest and warmest days experienced over the past 31 years rather than the coldest and hotest temperatures reached during that period.
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | -24 -11 -3 | -30 -10 -0 | -19 -7 1 | -6 1 11 | 3 7 16 | 4 14 20 | 13 18 26 | 16 21 25 | 12 17 23 | 2 10 17 | -6 3 11 | -13 -5 1 |
| 2 | -25 -10 -2 | -34 -10 1 | -18 -8 1 | -4 2 10 | -0 7 17 | 6 13 19 | 12 18 26 | 13 20 24 | 12 18 22 | 0 9 17 | -4 3 11 | -15 -7 2 |
| 3 | -22 -11 0 | -31 -10 2 | -19 -8 3 | -6 1 10 | -0 8 15 | 6 13 18 | 13 19 25 | 16 20 24 | 11 16 22 | 1 9 20 | -5 1 7 | -17 -6 5 |
| 4 | -24 -11 1 | -28 -12 3 | -18 -7 6 | -14 0 8 | 1 9 19 | 7 13 19 | 14 20 25 | 17 20 25 | 11 16 21 | 3 9 17 | -8 2 13 | -15 -6 2 |
| 5 | -22 -11 1 | -26 -9 1 | -19 -7 5 | -9 1 7 | 4 8 15 | 8 13 19 | 11 19 25 | 15 19 27 | 10 17 22 | 3 8 16 | -4 2 14 | -18 -9 2 |
| 6 | -23 -10 4 | -22 -8 -1 | -17 -6 5 | -10 1 10 | 4 10 19 | 8 14 19 | 11 18 25 | 15 20 29 | 12 18 25 | -1 8 15 | -9 4 13 | -17 -9 2 |
| 7 | -23 -11 -1 | -20 -9 -0 | -20 -7 10 | -12 1 8 | 3 10 19 | 7 14 21 | 12 18 23 | 16 19 26 | 10 16 20 | 0 9 18 | -10 3 9 | -18 -9 -0 |
| 8 | -18 -9 4 | -19 -9 2 | -17 -6 7 | -10 1 9 | 2 9 17 | 7 14 20 | 12 18 26 | 15 19 26 | 9 15 25 | 2 10 22 | -13 1 10 | -20 -9 -0 |
| 9 | -23 -9 4 | -19 -8 -1 | -20 -6 3 | -6 2 9 | 3 9 21 | 9 14 24 | 13 18 24 | 15 19 24 | 8 14 24 | 3 9 18 | -8 1 14 | -23 -9 -0 |
| 10 | -22 -9 1 | -26 -10 2 | -18 -5 3 | -4 2 10 | 4 9 22 | 8 14 21 | 13 19 25 | 11 18 24 | 10 15 21 | -1 8 18 | -6 1 9 | -25 -8 1 |
| 11 | -24 -9 2 | -25 -11 1 | -16 -4 8 | -3 3 11 | 4 8 14 | 6 14 21 | 13 19 25 | 9 18 23 | 10 16 25 | -1 9 16 | -11 -0 8 | -26 -9 1 |
| 12 | -23 -10 -1 | -21 -10 2 | -19 -4 6 | -2 4 13 | 0 8 15 | 6 15 23 | 14 20 24 | 12 19 23 | 6 15 22 | -3 9 20 | -11 -1 8 | -24 -9 2 |
| 13 | -25 -12 1 | -20 -9 -1 | -11 -2 10 | -3 4 12 | 0 9 16 | 10 16 22 | 13 21 26 | 13 18 24 | 8 14 20 | -1 8 17 | -12 -0 9 | -21 -7 1 |
| 14 | -25 -12 -1 | -19 -8 0 | -10 -1 11 | -3 6 17 | 3 9 20 | 11 16 20 | 13 20 25 | 12 18 22 | 6 13 20 | 0 6 12 | -11 0 11 | -19 -7 2 |
| 15 | -26 -13 -2 | -22 -10 0 | -15 -2 8 | -2 5 13 | 3 11 21 | 11 16 20 | 17 21 27 | 13 18 25 | 5 12 19 | 2 6 11 | -10 -1 12 | -21 -7 3 |
| 16 | -26 -11 -1 | -18 -10 2 | -15 -3 7 | -4 4 11 | 4 11 16 | 11 16 21 | 13 21 28 | 13 18 24 | 7 14 18 | -2 6 13 | -6 -2 5 | -26 -8 3 |
| 17 | -27 -12 -1 | -21 -9 4 | -14 -1 12 | -3 4 14 | 4 11 17 | 10 16 24 | 12 20 28 | 13 18 22 | 9 14 19 | 0 7 15 | -13 -2 8 | -18 -9 -0 |
| 18 | -22 -13 -2 | -24 -8 3 | -7 -1 15 | -2 5 12 | 4 12 21 | 11 17 28 | 11 19 27 | 13 17 22 | 7 14 20 | 1 6 11 | -9 -1 11 | -19 -8 1 |
| 19 | -25 -14 -6 | -20 -9 1 | -9 -1 15 | -1 5 16 | 5 12 20 | 11 16 27 | 14 19 25 | 11 16 24 | 6 13 19 | 0 6 13 | -10 -1 7 | -22 -8 1 |
| 20 | -27 -15 -5 | -21 -7 -0 | -12 -2 15 | -3 4 10 | 1 11 18 | 12 17 25 | 13 19 25 | 11 17 25 | 6 12 21 | -1 6 15 | -9 -3 5 | -19 -9 -0 |
| 21 | -26 -13 -4 | -21 -7 1 | -15 -2 11 | -1 4 11 | 5 11 17 | 12 17 22 | 15 20 25 | 11 17 22 | 3 11 17 | -1 5 10 | -13 -3 5 | -23 -9 -0 |
| 22 | -25 -11 -2 | -14 -7 1 | -11 -1 9 | -1 5 13 | 5 10 14 | 12 17 21 | 14 19 24 | 14 18 22 | 2 10 17 | -3 4 9 | -10 -2 5 | -23 -10 -0 |
| 23 | -24 -13 -1 | -17 -6 3 | -6 -0 8 | 0 6 15 | 5 11 19 | 9 17 24 | 14 19 25 | 12 18 22 | 4 11 18 | -3 5 12 | -13 -3 8 | -25 -10 1 |
| 24 | -24 -13 1 | -21 -7 4 | -12 -1 10 | 1 7 13 | 5 11 19 | 9 19 24 | 14 19 26 | 14 18 23 | 4 10 22 | -3 5 14 | -14 -5 6 | -25 -11 1 |
| 25 | -23 -12 -3 | -20 -7 3 | -13 -1 7 | -2 6 12 | 7 11 20 | 12 19 24 | 16 20 25 | 14 18 22 | 6 11 17 | -3 5 13 | -15 -4 4 | -25 -10 0 |
| 26 | -26 -12 -1 | -20 -7 5 | -19 -1 10 | -3 6 15 | 7 12 20 | 12 19 27 | 14 19 24 | 15 19 22 | 6 12 18 | -3 5 15 | -17 -5 2 | -26 -9 1 |
| 27 | -20 -10 5 | -17 -7 2 | -11 0 7 | -2 6 12 | 6 11 17 | 13 18 24 | 11 19 24 | 14 18 24 | 6 12 16 | -2 3 9 | -15 -5 4 | -20 -8 2 |
| 28 | -22 -10 -1 | -18 -7 2 | -6 1 7 | -1 6 14 | 9 13 21 | 11 18 25 | 13 19 26 | 13 18 23 | 6 10 16 | 0 3 8 | -16 -4 4 | -14 -8 2 |
| 29 | -29 -11 -1 | -18 -4 6 | -4 1 6 | 2 8 18 | 9 14 22 | 13 18 26 | 13 19 26 | 10 17 23 | 4 10 17 | -1 4 10 | -15 -4 5 | -18 -8 1 |
| 30 | -27 -12 -1 | -4 1 8 | 2 8 18 | 8 14 22 | 12 19 28 | 13 20 30 | 11 17 24 | 3 11 17 | -1 5 12 | -16 -5 3 | -16 -8 0 | |
| 31 | -29 -10 -1 | -4 2 15 | 7 14 21 | 15 20 27 | 13 17 23 | -7 3 10 | -20 -9 0 |