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