Average daily temperatures in Boise, Idaho, including the lower and upper bounds of the 95% confidence interval. Due to the possibility of missing data, the actual day counts used in the average and confidence interval calculations are provided. The table is also offered in degrees of Celsius.
January | February | March | April | May | June | July | August | September | October | November | December | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 27 31 36 | 30 34 38 | 36 39 41 | 44 47 51 | 49 53 57 | 62 66 69 | 72 75 78 | 76 79 81 | 67 71 75 | 60 64 69 | 38 43 48 | 34 38 42 |
2 | 29 33 37 | 28 32 36 | 37 40 43 | 43 46 48 | 51 54 58 | 62 65 69 | 72 76 79 | 77 79 81 | 67 71 75 | 57 61 66 | 39 43 47 | 34 37 41 |
3 | 27 31 36 | 29 33 37 | 38 40 43 | 42 45 49 | 51 54 58 | 60 64 69 | 71 75 79 | 76 78 81 | 68 72 76 | 56 60 63 | 40 43 47 | 32 35 39 |
4 | 26 31 35 | 32 35 38 | 37 40 42 | 44 48 52 | 50 53 57 | 63 67 71 | 71 74 78 | 76 79 81 | 68 72 76 | 53 57 61 | 40 44 47 | 30 34 38 |
5 | 25 29 33 | 31 34 37 | 38 40 43 | 44 47 51 | 51 55 58 | 62 66 69 | 72 75 78 | 76 79 81 | 66 71 75 | 50 54 58 | 40 43 47 | 29 33 37 |
6 | 26 29 32 | 32 35 38 | 39 41 44 | 45 48 51 | 51 55 58 | 59 63 67 | 73 76 79 | 76 79 83 | 64 68 72 | 51 54 58 | 41 45 48 | 29 33 36 |
7 | 29 32 34 | 34 37 40 | 38 41 44 | 45 49 53 | 53 56 59 | 58 63 67 | 75 77 80 | 74 78 81 | 66 69 72 | 53 57 60 | 42 46 51 | 29 33 36 |
8 | 30 33 36 | 33 36 39 | 38 41 44 | 46 49 52 | 52 55 59 | 60 64 68 | 74 76 79 | 71 76 80 | 64 68 71 | 53 56 59 | 41 44 47 | 27 31 36 |
9 | 31 34 36 | 34 37 39 | 39 42 45 | 44 48 52 | 52 56 59 | 59 63 67 | 74 77 79 | 74 77 80 | 64 68 71 | 53 56 60 | 39 41 44 | 26 31 35 |
10 | 32 35 38 | 33 35 37 | 40 44 48 | 44 47 51 | 52 55 59 | 60 63 67 | 74 78 81 | 77 79 80 | 63 67 70 | 50 54 57 | 38 41 44 | 27 32 37 |
11 | 31 34 37 | 33 36 38 | 42 45 49 | 46 49 52 | 53 57 61 | 59 63 66 | 75 78 81 | 73 76 79 | 64 68 71 | 48 52 56 | 39 42 46 | 27 32 37 |
12 | 28 32 35 | 33 36 38 | 41 45 48 | 47 50 53 | 55 59 64 | 62 65 67 | 76 79 83 | 73 76 78 | 66 69 72 | 48 51 55 | 39 42 46 | 29 34 38 |
13 | 27 32 37 | 33 36 39 | 42 46 49 | 48 52 55 | 55 60 64 | 64 67 69 | 75 78 82 | 73 76 79 | 66 69 72 | 50 53 56 | 40 43 47 | 31 35 39 |
14 | 28 33 38 | 33 36 39 | 42 45 49 | 45 49 53 | 58 62 65 | 65 67 70 | 74 78 81 | 73 76 79 | 65 69 72 | 52 54 57 | 39 41 44 | 31 35 39 |
15 | 28 32 36 | 33 37 40 | 42 45 48 | 45 47 50 | 57 61 65 | 65 68 71 | 76 78 81 | 74 77 80 | 66 69 73 | 52 56 59 | 38 41 44 | 31 35 38 |
16 | 26 31 35 | 35 38 41 | 43 45 48 | 46 49 53 | 56 61 66 | 65 68 72 | 77 80 82 | 74 77 80 | 63 67 71 | 51 54 57 | 38 42 45 | 30 33 37 |
17 | 27 31 35 | 36 39 41 | 42 44 47 | 47 51 54 | 57 61 66 | 65 69 72 | 78 81 84 | 72 75 77 | 61 65 70 | 49 53 56 | 40 43 46 | 29 33 37 |
18 | 28 32 37 | 35 38 41 | 41 44 47 | 46 50 53 | 57 61 66 | 65 68 72 | 75 79 82 | 71 75 78 | 60 64 68 | 49 53 56 | 39 42 46 | 27 30 33 |
19 | 29 33 37 | 35 38 41 | 43 47 50 | 46 49 52 | 58 62 66 | 63 66 69 | 75 78 81 | 72 75 77 | 61 64 68 | 50 53 56 | 38 42 46 | 27 30 33 |
20 | 28 32 36 | 35 38 41 | 45 48 51 | 47 51 55 | 59 62 65 | 62 66 69 | 75 78 81 | 73 76 78 | 59 62 64 | 49 52 56 | 39 42 46 | 28 31 34 |
21 | 28 32 36 | 36 39 42 | 45 48 50 | 48 52 56 | 56 60 63 | 65 69 73 | 77 79 82 | 73 76 79 | 58 61 64 | 47 50 53 | 36 40 44 | 27 31 35 |
22 | 27 30 34 | 36 39 41 | 44 47 50 | 49 53 57 | 55 59 63 | 65 69 73 | 78 81 84 | 72 75 78 | 57 61 64 | 47 50 53 | 34 38 41 | 26 30 34 |
23 | 26 30 34 | 37 39 41 | 44 47 50 | 51 54 58 | 54 58 63 | 67 71 74 | 78 80 83 | 70 73 76 | 57 61 66 | 47 50 53 | 34 38 41 | 26 29 33 |
24 | 28 31 35 | 36 39 42 | 43 46 50 | 49 52 55 | 57 61 65 | 68 71 74 | 78 80 82 | 70 73 75 | 58 63 67 | 45 48 51 | 33 37 42 | 27 30 34 |
25 | 31 34 37 | 34 37 40 | 43 47 51 | 50 53 55 | 58 62 66 | 67 70 74 | 79 81 83 | 72 75 77 | 60 64 68 | 44 47 50 | 33 37 41 | 27 30 33 |
26 | 31 34 38 | 33 36 40 | 43 45 48 | 51 54 57 | 58 61 65 | 67 71 74 | 78 80 82 | 72 75 79 | 59 63 66 | 45 48 51 | 33 37 40 | 26 29 33 |
27 | 30 33 37 | 33 37 41 | 41 44 46 | 52 56 59 | 58 62 66 | 68 71 75 | 78 80 82 | 70 73 76 | 60 63 66 | 44 46 49 | 33 36 39 | 27 31 35 |
28 | 29 32 36 | 35 38 40 | 42 44 47 | 51 54 57 | 57 62 67 | 71 74 77 | 78 80 82 | 70 74 77 | 61 64 67 | 46 49 51 | 33 35 38 | 30 33 37 |
29 | 29 32 35 | 33 39 45 | 42 45 47 | 48 52 55 | 58 62 67 | 73 76 79 | 78 81 83 | 71 74 77 | 60 63 66 | 45 48 51 | 33 37 41 | 30 35 39 |
30 | 30 34 37 | 43 46 49 | 49 52 56 | 58 62 66 | 72 75 78 | 75 79 82 | 69 72 75 | 60 63 67 | 42 46 49 | 33 38 43 | 29 33 37 | |
31 | 30 34 38 | 44 48 52 | 61 65 68 | 74 77 81 | 67 71 75 | 40 46 51 | 28 33 37 |