Average daily temperatures in Springfield, Illinois, 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 | 23 28 34 | 25 30 36 | 32 37 42 | 45 50 56 | 56 61 65 | 65 69 73 | 72 74 77 | 74 77 80 | 69 73 76 | 57 61 64 | 46 50 55 | 32 36 40 |
2 | 22 30 39 | 23 29 34 | 32 36 40 | 48 53 57 | 55 59 63 | 65 68 71 | 72 75 78 | 74 77 80 | 70 73 76 | 56 61 65 | 44 49 54 | 32 38 43 |
3 | 22 29 36 | 20 27 34 | 27 31 35 | 49 54 59 | 53 58 62 | 63 67 70 | 73 75 78 | 74 77 79 | 70 73 76 | 55 61 66 | 40 45 50 | 32 39 46 |
4 | 22 29 37 | 20 26 32 | 30 34 39 | 45 50 55 | 55 59 63 | 64 68 72 | 74 76 79 | 75 78 80 | 68 71 74 | 56 61 66 | 42 47 52 | 30 37 44 |
5 | 21 29 36 | 22 27 32 | 34 38 42 | 44 48 53 | 59 63 66 | 65 69 72 | 73 76 79 | 74 76 78 | 66 69 72 | 54 59 63 | 42 46 50 | 27 34 40 |
6 | 24 31 37 | 26 31 35 | 33 38 43 | 47 53 58 | 61 64 67 | 66 70 74 | 74 76 79 | 73 75 78 | 68 71 74 | 54 58 63 | 43 48 52 | 27 33 38 |
7 | 23 29 35 | 26 31 36 | 34 40 46 | 47 52 58 | 63 65 68 | 68 72 75 | 75 77 80 | 73 75 78 | 69 71 74 | 52 57 63 | 43 47 51 | 26 31 37 |
8 | 22 28 34 | 25 30 35 | 32 39 45 | 45 51 56 | 61 64 67 | 68 72 76 | 75 77 79 | 73 75 78 | 67 70 72 | 53 58 63 | 43 48 53 | 27 31 36 |
9 | 23 29 35 | 27 32 37 | 33 38 43 | 45 51 56 | 61 65 68 | 68 71 74 | 75 77 79 | 73 76 79 | 65 67 70 | 54 58 62 | 42 48 53 | 25 31 37 |
10 | 23 29 34 | 26 32 39 | 32 38 43 | 48 53 57 | 60 64 68 | 70 72 75 | 74 76 79 | 73 76 78 | 65 68 71 | 53 56 60 | 42 48 54 | 26 31 37 |
11 | 24 30 36 | 24 30 36 | 35 40 45 | 50 54 58 | 60 64 68 | 70 72 75 | 73 75 77 | 71 74 77 | 66 69 72 | 54 57 61 | 40 45 50 | 29 32 36 |
12 | 26 32 39 | 25 29 33 | 35 41 47 | 46 52 57 | 58 63 67 | 70 73 77 | 72 75 77 | 70 74 78 | 67 69 71 | 54 58 63 | 39 44 49 | 27 32 37 |
13 | 22 27 32 | 26 30 33 | 38 44 49 | 46 51 55 | 57 61 64 | 70 72 75 | 73 76 79 | 71 74 77 | 66 69 72 | 54 59 63 | 40 45 50 | 28 33 37 |
14 | 21 26 31 | 30 33 37 | 38 44 50 | 49 54 60 | 59 62 65 | 70 72 74 | 73 76 78 | 70 73 75 | 64 67 69 | 51 55 59 | 40 45 50 | 29 34 40 |
15 | 21 25 30 | 28 33 38 | 39 44 49 | 54 59 64 | 58 62 66 | 70 72 74 | 75 77 80 | 71 74 77 | 60 64 68 | 50 54 58 | 38 42 46 | 29 34 38 |
16 | 22 27 33 | 26 31 37 | 40 44 49 | 51 57 62 | 58 63 67 | 70 73 75 | 76 78 80 | 72 74 77 | 62 65 69 | 51 54 58 | 38 42 46 | 28 33 38 |
17 | 22 28 34 | 27 32 37 | 41 46 51 | 50 55 60 | 60 64 68 | 70 73 76 | 76 78 80 | 72 74 76 | 63 66 68 | 49 53 58 | 36 41 46 | 25 31 36 |
18 | 22 27 32 | 28 33 38 | 42 47 52 | 53 58 63 | 60 64 69 | 71 75 78 | 76 79 81 | 72 74 77 | 64 66 69 | 49 53 57 | 38 43 48 | 27 32 37 |
19 | 20 25 30 | 28 33 38 | 40 45 49 | 53 57 62 | 61 65 69 | 72 74 77 | 75 78 81 | 70 73 76 | 64 68 71 | 49 53 56 | 41 44 48 | 24 30 36 |
20 | 20 24 28 | 31 36 40 | 40 46 51 | 52 56 60 | 61 65 69 | 72 75 78 | 74 77 80 | 70 73 76 | 62 65 69 | 49 52 56 | 39 43 47 | 24 28 33 |
21 | 21 25 30 | 31 35 40 | 39 45 51 | 51 54 58 | 61 65 69 | 73 75 78 | 75 78 81 | 70 73 76 | 60 64 68 | 50 54 58 | 37 41 46 | 24 30 35 |
22 | 24 29 33 | 31 35 39 | 38 44 49 | 53 57 60 | 62 66 69 | 72 75 77 | 73 77 80 | 72 75 78 | 59 64 68 | 49 53 57 | 38 43 48 | 22 29 36 |
23 | 23 28 33 | 31 36 40 | 41 46 50 | 52 56 60 | 63 67 70 | 72 75 78 | 73 77 80 | 72 75 77 | 59 63 67 | 48 53 59 | 38 43 48 | 24 30 35 |
24 | 20 25 30 | 31 36 40 | 41 47 52 | 52 56 60 | 63 67 71 | 73 76 78 | 72 75 79 | 72 75 77 | 59 63 68 | 48 52 57 | 35 39 43 | 22 27 33 |
25 | 21 24 28 | 32 38 44 | 40 46 52 | 53 57 60 | 61 65 68 | 73 76 78 | 73 76 79 | 72 74 76 | 58 62 66 | 49 53 57 | 34 39 44 | 21 26 30 |
26 | 23 27 32 | 32 38 44 | 38 44 51 | 53 57 61 | 61 65 68 | 72 75 77 | 74 77 80 | 72 74 76 | 58 62 66 | 48 53 57 | 36 40 45 | 25 29 32 |
27 | 23 29 34 | 32 37 42 | 41 47 52 | 52 54 57 | 62 66 69 | 72 75 77 | 73 76 79 | 73 75 77 | 59 62 65 | 46 51 55 | 35 40 45 | 26 31 36 |
28 | 21 28 35 | 30 34 37 | 43 48 53 | 52 55 57 | 64 67 71 | 73 76 78 | 74 77 79 | 73 74 75 | 58 61 64 | 45 49 53 | 36 40 45 | 26 31 36 |
29 | 24 30 37 | 23 42 62 | 43 46 50 | 54 57 60 | 65 68 72 | 71 74 77 | 74 76 79 | 71 74 76 | 57 60 64 | 46 50 55 | 36 41 46 | 28 33 37 |
30 | 20 26 31 | 46 50 55 | 57 61 65 | 68 71 75 | 71 74 77 | 72 75 78 | 69 72 75 | 57 61 65 | 51 54 57 | 35 39 44 | 29 35 40 | |
31 | 20 26 33 | 47 51 55 | 67 71 74 | 73 76 79 | 69 72 75 | 48 52 56 | 29 35 42 |