Average daily temperatures in Chicago, Illinois, 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 | -12 -3 5 | -17 -2 7 | -8 0 11 | 2 7 20 | 6 14 24 | 10 19 24 | 16 23 29 | 19 25 32 | 16 22 28 | 8 15 24 | -0 9 16 | -6 1 7 |
2 | -13 -2 9 | -23 -4 5 | -9 -0 8 | 1 8 22 | 5 13 23 | 12 18 23 | 16 23 29 | 20 25 32 | 17 22 30 | 5 15 22 | -1 8 17 | -7 2 14 |
3 | -14 -3 12 | -25 -4 4 | -13 -2 6 | 2 9 18 | 5 13 24 | 11 16 22 | 18 23 30 | 20 24 28 | 17 22 27 | 6 15 24 | -2 7 18 | -10 2 16 |
4 | -16 -3 10 | -23 -5 3 | -16 -1 6 | 0 7 17 | 8 13 21 | 10 17 27 | 17 24 32 | 20 24 28 | 15 21 26 | 8 14 25 | -2 7 17 | -9 2 16 |
5 | -21 -3 10 | -20 -5 7 | -7 1 11 | -1 6 17 | 8 15 23 | 11 18 26 | 18 24 32 | 19 23 27 | 15 20 26 | 8 13 25 | -2 7 15 | -11 -0 17 |
6 | -15 -2 9 | -17 -3 6 | -7 1 14 | -1 8 20 | 7 15 24 | 11 19 28 | 18 24 34 | 18 23 27 | 15 22 27 | 6 14 25 | 1 7 16 | -12 -1 14 |
7 | -16 -3 15 | -15 -2 8 | -11 1 18 | -3 7 16 | 10 15 22 | 14 20 30 | 19 24 31 | 20 24 29 | 16 21 25 | 4 13 25 | 2 8 15 | -14 -2 9 |
8 | -10 -3 12 | -16 -3 5 | -14 1 19 | -1 6 17 | 8 15 24 | 11 20 30 | 18 24 29 | 21 24 29 | 16 20 24 | 4 14 25 | -2 7 13 | -11 -2 6 |
9 | -12 -2 6 | -15 -2 8 | -12 1 11 | -2 6 12 | 8 15 21 | 13 20 27 | 16 24 28 | 19 24 29 | 14 19 26 | 5 14 22 | -3 8 18 | -15 -2 7 |
10 | -13 -3 5 | -16 -2 12 | -13 1 10 | -1 7 20 | 9 15 22 | 13 20 27 | 18 23 28 | 19 24 27 | 15 19 26 | 5 13 20 | -2 8 17 | -15 -1 8 |
11 | -17 -3 8 | -16 -3 15 | -8 3 12 | 1 9 19 | 7 14 24 | 14 21 27 | 19 23 27 | 15 23 28 | 14 20 27 | 2 13 20 | -2 6 17 | -15 -2 4 |
12 | -19 -1 9 | -16 -3 4 | -8 3 14 | 2 8 20 | 5 13 25 | 14 20 26 | 21 23 29 | 13 22 30 | 14 20 26 | 2 14 21 | -6 5 14 | -11 -2 8 |
13 | -17 -3 6 | -10 -3 3 | -5 4 16 | 2 8 19 | 5 13 21 | 15 20 26 | 20 24 33 | 16 23 30 | 13 20 27 | 4 14 21 | -3 6 15 | -15 -1 7 |
14 | -14 -5 3 | -9 -1 5 | -2 5 17 | 2 10 21 | 8 14 21 | 16 21 28 | 20 25 33 | 17 22 31 | 12 19 24 | 6 12 20 | -5 6 13 | -11 0 7 |
15 | -20 -5 1 | -13 -2 5 | -7 4 22 | 3 13 24 | 7 15 24 | 15 21 25 | 21 25 32 | 17 23 28 | 10 17 24 | 5 11 16 | -3 5 15 | -11 0 9 |
16 | -23 -4 3 | -15 -2 6 | -6 4 16 | 4 11 26 | 8 15 26 | 16 22 28 | 23 26 30 | 18 23 28 | 11 17 23 | 5 11 19 | -4 4 12 | -12 -1 10 |
17 | -19 -4 5 | -10 -2 9 | -1 5 21 | 2 10 24 | 6 15 22 | 15 22 28 | 18 26 32 | 19 23 27 | 15 18 24 | 5 11 20 | -6 3 14 | -11 -2 9 |
18 | -18 -5 12 | -16 -1 8 | -0 5 21 | 4 11 24 | 6 15 26 | 16 22 27 | 17 25 30 | 18 22 27 | 13 18 24 | 6 11 20 | -3 4 15 | -15 -3 7 |
19 | -15 -6 4 | -14 -1 7 | -4 5 21 | 2 12 21 | 7 17 28 | 17 22 30 | 18 24 30 | 18 21 26 | 11 19 25 | 6 11 17 | -2 5 13 | -15 -2 8 |
20 | -18 -6 4 | -11 -0 8 | -6 5 24 | 3 11 19 | 7 17 26 | 16 23 30 | 18 24 30 | 18 22 27 | 11 18 23 | 4 10 18 | -3 5 11 | -13 -3 6 |
21 | -16 -6 2 | -10 -1 4 | -6 4 23 | 5 10 21 | 7 16 23 | 17 23 27 | 17 25 32 | 18 22 29 | 9 17 25 | 5 11 20 | -7 4 9 | -15 -3 4 |
22 | -15 -4 6 | -7 -0 9 | -5 4 22 | 4 10 20 | 10 16 22 | 16 23 26 | 18 24 29 | 17 23 27 | 6 16 24 | 4 10 16 | -6 4 16 | -19 -4 9 |
23 | -15 -4 8 | -8 -0 13 | 0 5 17 | 3 11 20 | 10 16 24 | 17 23 28 | 18 23 30 | 18 22 26 | 7 16 23 | 3 11 17 | -3 4 15 | -14 -3 5 |
24 | -15 -5 6 | -7 0 13 | -2 6 14 | 5 11 18 | 9 16 27 | 17 23 30 | 18 23 30 | 19 23 26 | 10 16 25 | 3 11 20 | -4 2 15 | -15 -4 3 |
25 | -16 -6 2 | -13 1 11 | -5 6 17 | 7 11 21 | 10 15 26 | 16 24 30 | 20 24 30 | 19 23 28 | 9 16 26 | 3 10 21 | -8 3 10 | -15 -5 3 |
26 | -15 -5 5 | -8 1 16 | -7 5 22 | 7 10 14 | 8 15 25 | 18 24 27 | 19 24 30 | 20 23 27 | 11 16 25 | 3 11 19 | -6 3 12 | -11 -4 2 |
27 | -14 -4 8 | -7 1 9 | -6 6 20 | 5 11 22 | 9 16 26 | 19 24 28 | 18 24 27 | 18 23 26 | 12 16 26 | 2 9 18 | -7 3 14 | -9 -2 11 |
28 | -15 -4 7 | -8 -1 6 | -2 7 18 | 5 10 19 | 10 18 30 | 18 24 31 | 20 24 28 | 18 22 26 | 11 15 19 | 2 8 16 | -5 3 14 | -11 -2 8 |
29 | -16 -3 11 | -9 3 10 | 0 6 16 | 3 12 21 | 9 18 28 | 17 23 28 | 20 24 29 | 16 22 27 | 9 15 21 | 5 9 19 | -7 3 17 | -9 -1 6 |
30 | -19 -5 5 | 0 7 23 | 4 13 21 | 11 19 25 | 19 23 29 | 20 24 32 | 15 22 27 | 9 16 24 | 6 11 19 | -3 3 16 | -11 -1 8 | |
31 | -19 -4 10 | 2 8 17 | 11 20 26 | 19 25 31 | 15 22 28 | 0 10 18 | -10 0 12 |