Average daily temperatures in Wilmington, Delaware, 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 2 14 | -7 1 11 | -3 4 9 | 3 10 19 | 10 15 22 | 14 21 26 | 21 23 26 | 22 26 30 | 17 22 28 | 11 16 22 | 5 12 16 | -1 7 20 |
2 | -9 2 8 | -4 2 9 | -5 5 13 | 6 11 18 | 9 16 24 | 15 21 26 | 19 24 27 | 21 26 31 | 19 22 25 | 9 15 23 | 4 12 18 | -0 4 9 |
3 | -5 3 14 | -8 1 11 | -8 4 12 | 5 10 17 | 8 15 25 | 12 20 26 | 19 24 30 | 22 26 31 | 19 22 26 | 8 17 24 | 4 11 19 | -3 4 15 |
4 | -6 3 15 | -10 1 8 | -6 2 15 | 6 11 16 | 10 15 23 | 12 19 23 | 19 25 30 | 23 26 29 | 15 23 27 | 7 17 22 | 3 9 17 | -5 5 16 |
5 | -7 2 12 | -14 -0 9 | -3 4 11 | 1 8 17 | 10 16 22 | 15 20 26 | 21 25 32 | 21 25 29 | 17 21 26 | 8 17 25 | 3 8 17 | -2 4 16 |
6 | -8 3 18 | -12 -0 15 | -4 5 15 | 3 9 20 | 10 16 24 | 15 20 27 | 20 24 32 | 19 24 27 | 15 21 25 | 9 16 25 | 4 10 17 | -4 3 15 |
7 | -9 2 13 | -8 1 12 | -6 5 14 | 3 11 25 | 9 16 26 | 14 20 26 | 21 24 32 | 17 24 30 | 16 22 27 | 9 16 25 | 5 10 17 | -5 3 17 |
8 | -5 2 15 | -7 1 12 | -6 5 16 | 2 10 24 | 10 16 26 | 15 22 29 | 19 24 27 | 19 25 31 | 18 22 27 | 7 15 24 | 4 10 18 | -5 3 12 |
9 | -6 3 16 | -7 1 6 | -9 4 14 | 3 9 17 | 11 16 26 | 17 22 30 | 19 24 29 | 22 24 31 | 17 22 25 | 6 16 24 | 1 9 16 | -3 3 8 |
10 | -12 1 7 | -3 3 11 | -6 4 17 | 3 9 15 | 10 16 23 | 17 22 30 | 20 24 28 | 21 25 29 | 18 22 27 | 7 16 22 | 1 9 16 | -5 3 15 |
11 | -9 0 8 | -8 1 12 | -3 5 14 | 5 10 15 | 9 16 23 | 16 22 28 | 21 24 27 | 19 24 29 | 16 20 24 | 8 15 20 | 2 10 18 | -8 4 12 |
12 | -7 2 9 | -6 1 12 | -3 5 11 | 7 11 18 | 9 17 24 | 17 22 27 | 21 24 27 | 19 24 29 | 16 20 24 | 8 15 18 | 1 7 13 | -6 4 11 |
13 | -7 3 11 | -8 -0 6 | -1 5 16 | 6 12 18 | 9 16 24 | 16 22 27 | 21 24 27 | 19 25 29 | 17 21 25 | 8 15 19 | 0 8 13 | -5 3 10 |
14 | -6 2 12 | -4 1 5 | 1 7 17 | 7 11 19 | 10 15 23 | 16 22 29 | 21 24 28 | 19 25 30 | 16 21 27 | 9 15 20 | 2 8 14 | -7 3 11 |
15 | -7 1 14 | -7 1 9 | 1 7 14 | 7 12 21 | 12 17 25 | 17 22 27 | 20 25 31 | 21 24 28 | 14 21 27 | 8 13 20 | -1 9 16 | -5 4 11 |
16 | -10 1 12 | -7 1 8 | -0 7 15 | 5 13 24 | 12 17 23 | 18 22 26 | 20 26 30 | 22 25 29 | 14 20 27 | 5 13 21 | 0 8 17 | -0 4 7 |
17 | -11 -1 8 | -6 1 11 | -1 6 15 | 7 12 25 | 10 16 22 | 15 22 27 | 23 26 30 | 20 25 29 | 14 19 26 | 7 13 20 | 1 7 14 | -2 4 11 |
18 | -11 -0 10 | -4 2 13 | -1 6 14 | 5 12 26 | 10 16 23 | 17 22 26 | 22 26 30 | 19 24 29 | 16 19 23 | 7 13 20 | 0 6 10 | -3 2 12 |
19 | -11 -0 10 | -7 2 12 | 3 6 14 | 6 14 21 | 10 17 25 | 18 22 26 | 19 25 30 | 19 23 29 | 15 19 24 | 7 13 22 | -1 6 15 | -3 2 7 |
20 | -5 -0 9 | -2 3 9 | 3 7 15 | 9 15 22 | 10 17 27 | 17 22 28 | 18 24 30 | 18 23 28 | 15 19 24 | 8 12 19 | 1 8 13 | -8 1 10 |
21 | -7 -2 9 | -4 4 13 | 0 7 13 | 9 13 21 | 9 17 27 | 16 23 27 | 21 25 27 | 17 23 28 | 14 19 25 | 9 12 16 | 0 6 13 | -6 1 9 |
22 | -10 -1 7 | -6 3 16 | -1 6 14 | 9 14 21 | 12 17 23 | 18 23 28 | 21 25 28 | 17 23 27 | 13 20 24 | 8 12 18 | -2 7 14 | -5 2 10 |
23 | -9 0 10 | -6 2 10 | 1 6 15 | 9 14 23 | 12 17 27 | 19 23 27 | 19 25 29 | 19 23 26 | 13 20 25 | 5 11 22 | -1 5 14 | -8 2 12 |
24 | -11 1 12 | -3 2 9 | 3 7 12 | 9 13 22 | 13 19 27 | 21 24 28 | 17 24 31 | 20 23 27 | 13 19 25 | 5 12 20 | -1 7 14 | -4 3 12 |
25 | -10 1 12 | -4 2 12 | 3 7 12 | 9 13 19 | 11 19 25 | 22 25 29 | 20 24 29 | 21 24 28 | 12 18 27 | 7 12 21 | -3 6 16 | -5 1 9 |
26 | -8 -1 5 | -5 3 11 | 1 9 15 | 8 14 25 | 14 18 25 | 22 25 28 | 20 25 29 | 21 23 27 | 11 18 24 | 6 12 17 | -0 7 14 | -7 1 10 |
27 | -7 -0 9 | -4 4 15 | -1 9 19 | 7 13 24 | 13 19 25 | 20 25 29 | 21 25 30 | 21 23 26 | 13 19 25 | 5 12 19 | 1 7 13 | -4 2 8 |
28 | -10 -0 7 | -3 4 12 | 2 9 20 | 8 13 24 | 12 18 23 | 19 24 29 | 20 25 28 | 22 23 26 | 13 20 24 | 6 11 17 | -4 8 15 | -5 2 14 |
29 | -8 -1 10 | -3 3 8 | 3 10 22 | 11 14 18 | 12 19 26 | 19 24 28 | 19 25 30 | 17 23 26 | 12 17 21 | 6 9 13 | -1 7 15 | -6 3 9 |
30 | -7 1 14 | 4 10 24 | 10 14 20 | 13 20 26 | 19 23 27 | 20 25 30 | 18 23 26 | 12 16 20 | 3 10 15 | -0 7 18 | -5 3 9 | |
31 | -9 -0 7 | 2 9 21 | 14 20 26 | 21 25 28 | 19 24 31 | 4 11 18 | -4 2 6 |