Average daily temperatures in Sioux Falls, South Dakota, 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 | 11 17 23 | 12 19 26 | 19 24 30 | 38 43 48 | 48 52 56 | 60 62 65 | 70 73 77 | 71 75 78 | 67 70 73 | 53 57 61 | 36 41 47 | 23 28 33 |
2 | 11 18 24 | 10 18 26 | 17 22 26 | 38 43 48 | 46 50 53 | 60 63 65 | 70 73 76 | 70 73 75 | 68 70 73 | 49 54 60 | 35 39 44 | 22 27 33 |
3 | 13 18 23 | 10 18 26 | 19 23 27 | 38 41 44 | 47 52 56 | 59 62 66 | 71 74 77 | 73 75 76 | 65 68 72 | 50 55 60 | 33 38 43 | 20 26 31 |
4 | 9 17 24 | 13 18 24 | 23 27 31 | 35 40 45 | 51 55 59 | 61 64 67 | 70 73 76 | 71 73 75 | 64 67 71 | 51 54 58 | 34 39 43 | 20 25 30 |
5 | 11 18 24 | 18 23 28 | 20 26 32 | 39 44 50 | 53 56 60 | 61 65 68 | 70 73 76 | 69 72 74 | 65 69 73 | 50 55 60 | 37 42 47 | 16 21 27 |
6 | 14 20 26 | 19 23 27 | 19 26 33 | 38 43 49 | 53 57 61 | 63 66 70 | 71 74 77 | 71 73 75 | 66 69 73 | 47 54 60 | 36 41 46 | 17 23 28 |
7 | 12 18 24 | 15 21 27 | 17 25 32 | 37 42 47 | 53 56 59 | 64 68 73 | 71 74 77 | 72 74 76 | 63 66 69 | 48 54 60 | 35 39 44 | 17 22 27 |
8 | 14 20 26 | 12 19 26 | 19 26 32 | 36 40 44 | 53 56 59 | 61 66 70 | 72 75 77 | 72 75 77 | 60 64 67 | 50 55 60 | 34 39 45 | 17 22 26 |
9 | 14 21 28 | 15 22 28 | 20 25 31 | 36 41 46 | 51 55 59 | 62 66 71 | 72 74 76 | 71 73 75 | 60 64 68 | 48 53 57 | 34 39 44 | 16 21 27 |
10 | 14 21 27 | 11 19 26 | 22 28 34 | 39 44 49 | 52 56 61 | 62 66 69 | 72 74 77 | 67 70 73 | 62 65 69 | 48 52 57 | 32 37 42 | 15 21 27 |
11 | 14 20 27 | 15 20 25 | 23 30 37 | 38 43 49 | 51 54 58 | 64 67 70 | 71 73 76 | 68 71 75 | 62 66 70 | 49 54 59 | 29 33 38 | 17 23 29 |
12 | 11 18 24 | 16 21 25 | 24 31 38 | 39 44 49 | 49 53 56 | 64 66 69 | 71 74 76 | 69 72 75 | 61 64 68 | 47 53 58 | 30 36 42 | 16 22 29 |
13 | 7 14 21 | 18 23 28 | 28 34 40 | 42 48 53 | 49 53 57 | 65 67 69 | 72 75 78 | 66 70 73 | 60 64 67 | 45 49 53 | 32 37 42 | 18 23 28 |
14 | 11 16 22 | 18 24 30 | 28 34 40 | 44 50 55 | 51 56 61 | 65 68 70 | 74 76 79 | 67 70 72 | 57 60 64 | 45 48 52 | 32 37 42 | 19 25 31 |
15 | 9 16 22 | 13 19 25 | 29 34 40 | 45 50 56 | 53 58 63 | 65 68 71 | 74 76 79 | 68 70 73 | 55 59 64 | 45 47 50 | 30 34 38 | 17 24 31 |
16 | 12 18 25 | 15 20 26 | 29 35 40 | 40 46 53 | 56 59 62 | 65 68 71 | 75 78 80 | 68 71 73 | 60 63 66 | 44 49 53 | 27 32 37 | 16 22 28 |
17 | 11 17 23 | 19 24 30 | 31 37 42 | 41 45 50 | 57 61 65 | 67 70 73 | 73 77 80 | 67 70 73 | 60 63 66 | 44 48 51 | 28 34 39 | 14 20 25 |
18 | 10 15 20 | 20 25 30 | 32 37 42 | 45 50 55 | 59 63 67 | 68 71 74 | 73 76 79 | 66 70 73 | 59 63 68 | 45 48 51 | 30 35 40 | 16 22 28 |
19 | 8 15 22 | 19 24 29 | 30 35 41 | 44 48 51 | 59 64 68 | 66 70 73 | 72 76 79 | 65 68 72 | 57 61 65 | 44 48 52 | 31 35 39 | 12 18 24 |
20 | 10 15 20 | 21 27 33 | 31 36 40 | 44 48 52 | 57 61 65 | 69 72 75 | 72 75 79 | 66 69 71 | 55 59 64 | 44 47 51 | 26 31 36 | 14 19 24 |
21 | 11 17 23 | 20 25 31 | 30 35 40 | 45 49 53 | 57 60 63 | 69 71 74 | 72 75 78 | 68 70 73 | 53 58 63 | 42 46 49 | 26 32 37 | 11 18 24 |
22 | 12 17 22 | 20 26 31 | 31 36 42 | 44 48 51 | 59 62 64 | 69 72 75 | 72 74 77 | 69 72 75 | 52 55 59 | 40 44 49 | 28 33 38 | 10 17 23 |
23 | 10 16 21 | 20 26 32 | 33 38 44 | 46 50 55 | 56 60 64 | 71 73 76 | 70 74 77 | 69 72 75 | 53 57 60 | 40 46 51 | 25 31 36 | 12 17 22 |
24 | 10 16 21 | 20 26 32 | 32 37 43 | 47 51 55 | 55 58 62 | 70 72 75 | 72 74 77 | 70 72 75 | 52 55 59 | 40 44 48 | 24 29 35 | 10 17 24 |
25 | 12 17 22 | 19 25 32 | 29 36 43 | 46 50 54 | 56 59 62 | 70 73 76 | 72 75 78 | 69 71 73 | 54 57 61 | 40 45 49 | 23 29 34 | 12 19 25 |
26 | 11 18 24 | 19 24 29 | 31 38 44 | 45 49 53 | 56 58 61 | 70 73 76 | 70 73 76 | 70 72 74 | 54 58 61 | 39 44 48 | 25 30 35 | 14 21 27 |
27 | 12 19 25 | 17 22 27 | 36 41 47 | 46 49 53 | 55 59 63 | 70 73 75 | 70 73 76 | 69 71 73 | 55 58 62 | 37 41 45 | 26 30 34 | 18 23 27 |
28 | 12 18 25 | 17 23 28 | 36 40 44 | 47 52 56 | 58 62 67 | 67 71 74 | 72 74 76 | 68 71 74 | 53 56 59 | 40 43 47 | 25 29 32 | 19 24 28 |
29 | 11 17 23 | 12 33 54 | 38 42 46 | 49 53 57 | 61 65 69 | 68 71 75 | 70 73 77 | 67 70 73 | 54 59 63 | 42 46 50 | 25 29 34 | 17 23 29 |
30 | 8 15 22 | 39 43 48 | 49 53 57 | 62 65 68 | 69 72 75 | 71 75 79 | 67 70 74 | 56 59 62 | 41 45 49 | 23 27 31 | 17 24 30 | |
31 | 12 20 27 | 38 43 48 | 60 62 64 | 72 75 79 | 67 70 72 | 35 40 45 | 12 18 23 |