Recent Minimum and Maximum Temperatures in Philadelphia, Pennsylvania
Average daily temperatures in Philadelphia, Pennsylvania, including the 9 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 9 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 | -5 3 11 | -6 2 13 | -2 5 11 | 4 10 20 | 11 16 23 | 16 22 28 | 22 24 29 | 24 26 31 | 18 23 30 | 12 17 22 | 6 12 17 | -1 8 19 |
| 2 | -9 2 9 | -4 2 9 | -5 5 13 | 6 11 18 | 10 16 26 | 16 22 27 | 19 25 30 | 23 27 32 | 18 23 26 | 10 16 24 | 5 12 18 | -1 5 11 |
| 3 | -6 2 14 | -8 2 12 | -7 4 13 | 4 11 17 | 9 16 25 | 12 21 27 | 21 25 31 | 23 27 32 | 20 23 27 | 9 18 25 | 4 11 19 | -2 5 15 |
| 4 | -7 3 16 | -10 1 9 | -4 3 15 | 5 11 17 | 10 16 25 | 14 19 24 | 20 26 32 | 22 26 30 | 16 24 26 | 8 18 24 | 4 10 18 | -4 6 16 |
| 5 | -7 2 12 | -13 0 8 | -3 4 13 | 2 9 18 | 11 16 23 | 15 20 28 | 22 26 32 | 21 26 30 | 18 23 27 | 9 17 26 | 4 9 16 | -2 6 16 |
| 6 | -9 3 18 | -11 0 14 | -5 5 15 | 3 9 21 | 10 16 24 | 15 20 28 | 22 26 33 | 20 25 28 | 16 22 26 | 11 17 26 | 4 10 17 | -3 4 15 |
| 7 | -9 3 16 | -8 1 12 | -7 5 13 | 3 11 25 | 9 16 26 | 15 21 26 | 22 26 34 | 18 25 31 | 17 23 26 | 10 16 25 | 4 10 17 | -3 5 16 |
| 8 | -6 3 17 | -7 1 10 | -5 6 15 | 2 11 24 | 11 17 26 | 16 22 30 | 19 25 29 | 20 26 32 | 19 23 28 | 9 16 24 | 5 10 20 | -4 3 14 |
| 9 | -6 3 16 | -7 1 8 | -8 5 15 | 3 10 21 | 12 17 26 | 18 23 31 | 20 25 29 | 22 25 32 | 17 23 26 | 7 17 25 | 2 10 16 | -2 3 8 |
| 10 | -12 2 8 | -3 3 11 | -5 5 17 | 3 11 24 | 11 17 22 | 18 23 31 | 21 25 29 | 21 25 30 | 18 22 27 | 7 17 22 | 3 10 17 | -5 4 15 |
| 11 | -9 1 8 | -9 2 12 | -2 5 15 | 6 11 18 | 12 17 24 | 17 23 28 | 22 25 28 | 19 25 31 | 16 21 25 | 10 16 20 | 3 10 19 | -7 4 12 |
| 12 | -6 3 10 | -6 1 13 | -2 6 13 | 7 11 19 | 9 17 25 | 19 23 28 | 21 25 30 | 20 25 30 | 17 21 24 | 9 15 20 | 2 8 15 | -6 4 10 |
| 13 | -6 4 11 | -8 1 7 | -1 7 17 | 7 12 18 | 9 16 24 | 16 22 27 | 22 25 29 | 19 25 30 | 16 22 26 | 9 15 20 | 1 9 14 | -5 3 10 |
| 14 | -6 2 15 | -5 1 10 | 2 8 18 | 8 12 20 | 11 16 22 | 16 22 29 | 21 25 30 | 19 25 30 | 17 22 27 | 10 16 20 | 2 9 16 | -7 3 12 |
| 15 | -8 1 18 | -7 2 10 | 2 8 15 | 7 13 22 | 13 18 25 | 17 22 29 | 21 26 33 | 22 25 29 | 16 22 27 | 8 15 20 | 0 10 18 | -5 4 11 |
| 16 | -9 1 14 | -8 2 8 | 0 7 16 | 5 14 25 | 12 18 23 | 18 23 28 | 21 27 31 | 23 26 29 | 14 20 27 | 5 14 21 | 1 9 18 | -4 5 10 |
| 17 | -11 0 10 | -6 2 12 | -1 7 16 | 7 14 26 | 10 17 23 | 17 22 28 | 23 28 31 | 22 26 30 | 15 20 26 | 7 14 19 | 2 8 16 | -3 4 14 |
| 18 | -10 1 12 | -3 3 14 | -0 7 15 | 5 13 26 | 11 17 22 | 18 23 27 | 22 28 32 | 19 25 31 | 16 20 24 | 7 14 20 | 2 6 11 | -3 3 12 |
| 19 | -11 0 13 | -6 3 12 | 3 7 15 | 7 14 23 | 11 17 25 | 19 23 27 | 21 27 32 | 20 24 30 | 15 20 25 | 8 14 23 | -1 7 17 | -3 3 7 |
| 20 | -5 1 9 | -2 4 10 | 3 7 17 | 9 15 22 | 10 18 27 | 18 23 28 | 19 25 31 | 17 24 28 | 16 20 25 | 9 14 19 | 2 8 14 | -8 2 12 |
| 21 | -7 -1 9 | -3 4 14 | 0 7 17 | 9 14 20 | 11 18 27 | 17 24 31 | 21 26 30 | 17 24 28 | 15 20 24 | 10 13 17 | 1 8 15 | -5 2 9 |
| 22 | -10 -2 7 | -5 3 16 | 0 7 17 | 8 13 21 | 13 18 25 | 19 24 30 | 22 26 33 | 16 24 28 | 13 20 25 | 9 12 19 | -1 7 15 | -4 3 14 |
| 23 | -9 -0 10 | -5 3 12 | 2 7 19 | 8 14 23 | 13 18 27 | 20 24 28 | 20 26 34 | 20 24 26 | 15 20 25 | 6 12 22 | -1 7 14 | -8 3 13 |
| 24 | -11 1 14 | -2 3 10 | 2 7 14 | 10 14 22 | 14 20 28 | 21 25 29 | 18 26 32 | 20 24 28 | 14 20 25 | 6 13 21 | -0 7 15 | -3 4 12 |
| 25 | -9 1 14 | -3 3 13 | 2 7 13 | 9 14 22 | 11 20 26 | 22 25 29 | 19 25 30 | 22 24 28 | 13 19 28 | 8 13 22 | -3 7 18 | -5 2 10 |
| 26 | -8 -1 6 | -5 3 11 | 2 9 15 | 9 14 25 | 14 19 25 | 21 26 30 | 20 25 30 | 21 24 29 | 11 19 25 | 8 13 20 | 0 8 15 | -6 2 10 |
| 27 | -7 0 10 | -4 5 14 | 0 9 19 | 7 14 25 | 14 20 28 | 21 26 29 | 22 26 31 | 22 24 26 | 14 20 25 | 6 14 22 | 1 8 13 | -4 2 9 |
| 28 | -10 0 8 | -3 5 13 | 2 9 20 | 9 14 25 | 13 20 26 | 20 25 30 | 22 26 30 | 21 24 27 | 14 20 25 | 6 12 21 | -3 8 16 | -5 2 14 |
| 29 | -7 0 11 | -3 4 8 | 2 10 21 | 12 15 18 | 13 20 28 | 20 25 29 | 20 26 30 | 18 24 27 | 12 18 23 | 4 10 13 | -1 7 17 | -5 3 10 |
| 30 | -7 2 14 | 4 10 25 | 11 15 19 | 14 21 28 | 18 25 29 | 21 26 31 | 18 24 27 | 12 17 24 | 4 10 15 | 1 8 18 | -4 3 8 | |
| 31 | -8 1 11 | 4 9 22 | 14 22 29 | 22 26 30 | 20 24 29 | 6 12 18 | -4 3 9 |