Average daily temperatures in Great Falls, Montana, 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 | 18 25 31 | 19 27 35 | 22 28 35 | 35 39 43 | 39 44 48 | 54 57 60 | 63 67 70 | 66 70 73 | 58 63 68 | 48 52 57 | 30 36 42 | 26 32 38 |
2 | 18 25 33 | 21 28 36 | 23 30 36 | 30 35 40 | 42 47 51 | 53 56 60 | 63 66 70 | 67 70 72 | 58 63 67 | 46 51 56 | 31 37 43 | 25 31 37 |
3 | 13 23 33 | 23 29 35 | 26 31 36 | 31 36 40 | 44 47 51 | 52 55 58 | 63 66 70 | 65 69 72 | 60 64 69 | 45 49 53 | 35 40 45 | 23 29 35 |
4 | 17 25 34 | 27 32 37 | 23 29 35 | 34 38 43 | 45 48 51 | 53 57 61 | 62 66 70 | 65 68 71 | 60 64 69 | 43 48 53 | 36 41 47 | 20 27 33 |
5 | 16 25 34 | 28 32 36 | 19 26 33 | 35 39 43 | 45 48 51 | 57 60 62 | 63 66 70 | 66 69 72 | 59 62 65 | 41 46 51 | 33 40 46 | 22 28 34 |
6 | 19 26 33 | 25 30 35 | 16 24 32 | 36 41 46 | 45 48 52 | 54 57 60 | 63 66 70 | 68 71 74 | 56 60 64 | 43 47 51 | 33 40 47 | 21 27 34 |
7 | 23 30 36 | 24 29 35 | 16 25 33 | 37 41 46 | 44 48 51 | 51 55 58 | 65 67 70 | 68 71 74 | 56 61 65 | 47 51 55 | 33 40 48 | 19 26 33 |
8 | 23 30 37 | 21 28 35 | 18 27 35 | 37 42 47 | 43 48 52 | 50 54 58 | 65 68 71 | 64 68 72 | 56 60 63 | 46 49 53 | 34 39 44 | 15 23 32 |
9 | 21 28 36 | 19 26 32 | 23 31 40 | 34 39 45 | 44 48 53 | 50 54 57 | 65 68 71 | 64 67 71 | 56 60 63 | 42 47 52 | 30 36 41 | 20 26 33 |
10 | 19 27 36 | 19 24 28 | 26 33 40 | 36 40 43 | 43 46 50 | 51 55 58 | 67 70 72 | 66 69 73 | 56 59 62 | 41 47 52 | 26 34 42 | 21 28 34 |
11 | 14 24 33 | 18 24 30 | 29 36 42 | 36 41 46 | 45 48 51 | 52 55 59 | 66 68 71 | 65 68 71 | 55 59 62 | 39 45 51 | 27 34 41 | 21 28 35 |
12 | 14 23 33 | 21 27 34 | 32 37 42 | 38 43 47 | 46 51 56 | 54 56 59 | 67 71 74 | 64 67 70 | 56 59 62 | 38 43 47 | 31 36 42 | 23 29 36 |
13 | 18 26 35 | 23 31 38 | 32 38 43 | 41 45 48 | 46 51 56 | 56 59 61 | 67 70 74 | 63 67 70 | 55 58 61 | 42 46 50 | 34 38 43 | 22 30 37 |
14 | 15 24 33 | 19 25 31 | 32 38 44 | 37 42 48 | 50 53 56 | 58 60 62 | 67 70 74 | 64 67 71 | 55 58 60 | 44 48 51 | 31 36 42 | 18 28 38 |
15 | 20 26 33 | 21 26 32 | 32 38 43 | 36 39 43 | 51 54 58 | 57 59 61 | 67 72 76 | 62 65 69 | 56 60 64 | 43 48 52 | 31 37 43 | 19 27 35 |
16 | 20 26 32 | 25 31 37 | 35 39 43 | 37 41 44 | 52 56 59 | 57 60 63 | 66 70 74 | 62 66 70 | 55 59 64 | 41 46 50 | 32 39 46 | 21 28 36 |
17 | 21 27 33 | 22 29 36 | 31 36 41 | 40 44 48 | 52 56 60 | 57 60 64 | 67 71 76 | 62 66 69 | 50 56 61 | 42 47 53 | 31 37 43 | 25 32 38 |
18 | 21 29 36 | 23 30 36 | 30 35 41 | 40 44 47 | 51 55 60 | 57 60 64 | 70 73 76 | 62 66 70 | 51 55 59 | 42 47 51 | 30 37 43 | 19 25 32 |
19 | 22 30 38 | 25 31 37 | 29 35 41 | 40 44 47 | 50 54 58 | 56 59 62 | 69 73 77 | 63 67 71 | 49 54 59 | 42 46 49 | 24 31 39 | 17 25 33 |
20 | 21 28 35 | 25 30 36 | 30 36 42 | 40 45 50 | 52 55 59 | 56 58 61 | 67 70 72 | 64 66 68 | 48 52 56 | 42 46 50 | 25 33 42 | 16 25 33 |
21 | 21 27 33 | 24 30 36 | 31 37 42 | 38 44 51 | 50 53 56 | 57 61 64 | 67 69 72 | 66 69 71 | 47 51 54 | 41 46 50 | 24 32 41 | 14 22 30 |
22 | 20 25 31 | 27 33 38 | 31 36 41 | 41 46 52 | 48 52 56 | 59 62 66 | 68 71 74 | 66 69 72 | 48 53 57 | 40 44 48 | 22 30 39 | 12 19 26 |
23 | 19 26 32 | 24 29 35 | 29 35 41 | 40 45 51 | 47 51 55 | 58 61 65 | 69 72 76 | 65 68 72 | 48 54 59 | 40 45 50 | 22 30 38 | 10 19 27 |
24 | 17 25 34 | 20 27 34 | 26 33 40 | 40 45 50 | 48 52 56 | 60 63 65 | 69 72 74 | 63 66 70 | 50 55 61 | 39 44 49 | 25 33 41 | 16 24 33 |
25 | 15 24 34 | 18 26 35 | 28 34 41 | 42 46 50 | 49 53 58 | 59 62 65 | 67 70 72 | 63 67 70 | 54 58 62 | 36 41 45 | 26 33 39 | 21 29 37 |
26 | 14 23 32 | 16 23 30 | 32 37 42 | 44 47 51 | 50 54 58 | 59 62 65 | 68 71 73 | 64 67 70 | 52 57 61 | 37 42 46 | 24 31 37 | 18 26 33 |
27 | 13 22 31 | 19 26 32 | 33 37 41 | 43 47 52 | 50 54 59 | 59 63 66 | 69 71 74 | 64 67 70 | 51 54 58 | 38 42 47 | 24 30 36 | 20 27 34 |
28 | 13 22 31 | 20 27 34 | 33 38 42 | 41 46 51 | 50 54 59 | 62 65 69 | 69 72 76 | 63 66 70 | 52 56 60 | 40 44 48 | 24 31 38 | 21 28 34 |
29 | 14 23 32 | 10 28 46 | 31 36 40 | 38 43 48 | 51 55 58 | 64 67 71 | 70 73 76 | 63 67 70 | 54 57 60 | 36 42 47 | 23 30 37 | 17 25 33 |
30 | 17 26 35 | 33 39 45 | 39 43 47 | 51 55 58 | 63 66 70 | 68 72 75 | 61 66 70 | 51 55 59 | 30 37 45 | 26 33 40 | 18 24 31 | |
31 | 20 28 35 | 36 41 46 | 52 56 60 | 67 71 75 | 59 63 67 | 28 37 45 | 18 26 33 |