Average daily temperatures in Boise, Idaho, 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 | -9 -0 12 | -11 1 10 | -2 4 8 | 3 8 14 | 6 12 21 | 13 19 25 | 14 24 33 | 21 26 30 | 14 22 27 | 7 18 26 | -4 6 15 | -5 3 11 |
2 | -8 1 9 | -13 0 8 | -2 4 12 | 2 8 14 | 7 12 21 | 11 18 25 | 16 24 34 | 22 26 31 | 13 22 28 | 9 16 23 | -2 6 13 | -3 3 13 |
3 | -10 -0 6 | -14 0 10 | -2 5 9 | 2 7 14 | 7 12 20 | 11 18 30 | 16 24 32 | 19 26 30 | 12 22 28 | 9 15 24 | -1 6 12 | -5 2 9 |
4 | -12 -1 7 | -9 2 9 | -0 4 9 | 3 9 16 | 6 12 22 | 11 19 29 | 17 24 32 | 16 26 30 | 14 22 28 | 6 14 21 | -1 7 12 | -4 1 12 |
5 | -11 -2 5 | -5 1 7 | -0 5 11 | 2 8 16 | 6 13 20 | 13 19 27 | 17 24 31 | 19 26 31 | 14 21 30 | 5 12 21 | -2 6 12 | -5 0 11 |
6 | -10 -2 3 | -3 2 7 | -0 5 9 | 4 9 14 | 6 13 19 | 8 17 24 | 19 25 32 | 16 26 32 | 13 20 27 | 7 12 20 | -1 7 13 | -5 0 12 |
7 | -7 -0 5 | -3 3 9 | -1 5 11 | 3 9 18 | 8 13 20 | 9 17 26 | 21 25 31 | 14 25 30 | 15 21 26 | 8 14 21 | 0 8 17 | -7 0 6 |
8 | -5 1 7 | -6 2 8 | -3 5 10 | 2 9 18 | 5 13 20 | 11 18 27 | 18 25 29 | 14 24 31 | 14 20 25 | 8 13 19 | 2 7 16 | -14 -0 8 |
9 | -4 1 8 | -2 3 9 | -2 6 12 | 2 9 17 | 6 13 21 | 8 17 25 | 20 25 30 | 18 25 30 | 14 20 27 | 7 13 20 | 1 5 9 | -14 -1 10 |
10 | -3 2 11 | -2 2 6 | -1 7 13 | 2 9 15 | 5 13 21 | 11 17 25 | 17 25 30 | 23 26 29 | 12 19 26 | 5 12 21 | -0 5 12 | -14 -0 10 |
11 | -5 1 7 | -3 2 8 | -1 7 13 | 3 10 17 | 6 14 23 | 7 17 23 | 16 26 32 | 20 25 31 | 13 20 28 | 2 11 18 | -2 6 14 | -13 -0 10 |
12 | -10 -0 5 | -3 2 7 | -0 7 15 | 4 10 17 | 6 15 25 | 13 18 22 | 17 26 34 | 17 24 29 | 14 21 27 | 6 11 18 | -3 6 14 | -8 1 12 |
13 | -12 -0 8 | -5 2 10 | 1 8 16 | 5 11 17 | 8 15 25 | 11 19 24 | 16 26 34 | 18 24 29 | 14 21 25 | 6 12 17 | -1 6 13 | -6 1 8 |
14 | -13 0 8 | -4 2 8 | 1 7 16 | 4 9 19 | 7 16 23 | 14 20 26 | 19 25 33 | 17 25 30 | 12 20 26 | 9 12 18 | -1 5 10 | -6 2 10 |
15 | -9 -0 7 | -4 3 12 | 1 7 14 | 3 9 13 | 8 16 24 | 16 20 27 | 20 26 31 | 17 25 29 | 11 21 27 | 8 13 21 | -1 5 11 | -7 1 11 |
16 | -11 -1 9 | -4 3 10 | 2 7 12 | 5 10 17 | 7 16 26 | 13 20 27 | 21 27 30 | 18 25 30 | 9 19 27 | 5 12 17 | -4 6 11 | -9 1 9 |
17 | -13 -1 9 | -5 4 10 | 0 7 13 | 4 10 17 | 9 16 25 | 12 20 25 | 18 27 32 | 17 24 29 | 10 19 27 | 4 11 16 | -5 6 11 | -9 0 6 |
18 | -13 0 8 | -7 3 9 | -2 7 13 | 4 10 17 | 7 16 26 | 14 20 28 | 19 26 31 | 15 24 31 | 10 18 24 | 6 11 18 | -5 6 12 | -9 -1 6 |
19 | -14 0 7 | -6 3 10 | 2 8 17 | 5 9 16 | 9 17 26 | 13 19 23 | 18 26 31 | 18 24 29 | 12 18 25 | 6 12 19 | -4 6 14 | -7 -1 5 |
20 | -14 0 6 | -6 3 11 | 2 9 14 | 3 11 19 | 9 17 25 | 11 19 27 | 20 26 31 | 19 24 29 | 11 16 20 | 1 11 20 | -4 6 13 | -10 -1 4 |
21 | -14 0 8 | -2 4 10 | 3 9 13 | 3 11 20 | 9 15 23 | 13 21 29 | 21 26 30 | 18 25 29 | 11 16 22 | 1 10 18 | -3 4 13 | -15 -0 5 |
22 | -14 -1 3 | -1 4 10 | 2 8 15 | 4 12 21 | 7 15 22 | 13 21 28 | 22 27 35 | 18 24 30 | 11 16 23 | 5 10 18 | -3 3 8 | -13 -1 7 |
23 | -13 -1 5 | 1 4 9 | -1 8 16 | 6 12 24 | 5 15 24 | 15 21 27 | 22 27 34 | 15 23 28 | 8 16 23 | 6 10 15 | -3 3 10 | -13 -1 6 |
24 | -11 -0 6 | -3 4 11 | 1 8 14 | 6 11 20 | 9 16 27 | 15 22 28 | 24 27 32 | 17 23 28 | 9 17 25 | 4 9 14 | -9 3 10 | -7 -1 6 |
25 | -7 1 6 | -3 3 10 | -1 8 15 | 7 11 20 | 8 17 26 | 15 21 27 | 21 27 31 | 19 24 28 | 9 18 26 | 3 8 14 | -9 3 10 | -6 -1 4 |
26 | -6 1 9 | -6 2 8 | 3 7 14 | 7 12 19 | 7 16 24 | 13 21 29 | 23 27 30 | 16 24 30 | 11 17 23 | 4 9 14 | -5 3 13 | -8 -1 5 |
27 | -8 1 9 | -5 3 11 | 2 7 12 | 7 13 19 | 9 17 24 | 13 22 30 | 22 27 31 | 16 23 27 | 8 17 22 | 3 8 14 | -2 2 8 | -6 -1 6 |
28 | -8 0 6 | -2 3 11 | 2 7 13 | 7 12 19 | 7 17 27 | 16 23 29 | 23 27 30 | 18 23 29 | 8 18 22 | 3 9 15 | -4 2 6 | -6 1 10 |
29 | -7 0 6 | -0 4 7 | 1 7 14 | 4 11 20 | 8 17 26 | 18 24 30 | 21 27 32 | 14 23 28 | 8 17 22 | 1 9 14 | -7 3 9 | -6 2 9 |
30 | -8 1 8 | 1 8 17 | 7 11 19 | 11 17 26 | 17 24 31 | 17 26 32 | 14 22 28 | 9 17 23 | 0 8 14 | -4 3 14 | -6 1 10 | |
31 | -10 1 10 | 1 9 16 | 11 18 25 | 15 25 30 | 12 21 29 | -5 8 17 | -7 0 11 |