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