Average daily temperatures in Washington DC, Maryland, 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 | 35 40 44 | 32 37 41 | 40 44 47 | 49 53 57 | 60 62 65 | 70 74 77 | 76 78 80 | 78 80 83 | 73 76 79 | 61 63 66 | 53 56 58 | 43 47 52 |
2 | 35 39 43 | 35 38 42 | 40 44 48 | 51 55 58 | 61 64 67 | 70 73 76 | 75 78 80 | 78 80 82 | 73 75 77 | 60 63 66 | 52 55 58 | 41 43 46 |
3 | 34 39 43 | 33 37 41 | 37 42 47 | 52 56 59 | 60 63 67 | 68 71 73 | 75 78 80 | 79 81 83 | 73 75 77 | 61 65 69 | 49 53 57 | 38 42 46 |
4 | 34 40 45 | 33 37 41 | 36 40 44 | 52 55 59 | 59 63 66 | 66 68 71 | 77 79 82 | 79 81 83 | 74 76 78 | 62 66 70 | 47 51 54 | 39 44 49 |
5 | 34 39 43 | 30 35 40 | 40 43 47 | 48 52 55 | 59 62 66 | 67 70 73 | 78 80 83 | 79 81 83 | 72 75 77 | 61 65 69 | 46 50 54 | 38 43 48 |
6 | 34 39 44 | 30 36 41 | 41 45 49 | 48 52 56 | 60 63 66 | 68 71 74 | 77 80 83 | 76 78 80 | 70 73 76 | 60 64 68 | 47 50 54 | 35 41 46 |
7 | 34 39 44 | 33 37 42 | 41 45 48 | 50 55 60 | 60 63 66 | 68 71 75 | 77 80 83 | 76 79 81 | 72 74 77 | 59 63 67 | 48 52 55 | 36 41 47 |
8 | 34 39 44 | 33 37 41 | 41 46 51 | 50 55 60 | 62 65 68 | 70 74 78 | 76 79 82 | 77 79 82 | 73 75 77 | 58 61 65 | 49 52 55 | 35 40 44 |
9 | 34 39 44 | 33 37 41 | 39 45 51 | 49 54 59 | 62 65 67 | 73 76 79 | 77 79 82 | 77 79 81 | 72 74 76 | 58 62 66 | 47 51 54 | 36 40 43 |
10 | 34 38 43 | 35 39 43 | 38 44 49 | 49 53 58 | 62 65 68 | 73 76 79 | 78 79 81 | 77 79 81 | 71 73 76 | 61 64 68 | 48 51 55 | 37 41 45 |
11 | 32 37 41 | 35 39 43 | 41 45 49 | 51 55 59 | 62 65 68 | 73 75 78 | 77 78 79 | 77 79 81 | 70 72 73 | 61 63 66 | 48 52 55 | 38 42 45 |
12 | 35 39 43 | 33 38 43 | 42 46 49 | 53 56 60 | 62 65 69 | 73 75 78 | 76 78 80 | 77 79 81 | 69 71 73 | 59 62 65 | 46 48 51 | 39 41 44 |
13 | 38 42 46 | 33 36 39 | 44 48 52 | 53 56 60 | 60 64 67 | 72 75 77 | 76 78 80 | 76 79 82 | 71 73 75 | 58 61 64 | 45 48 51 | 36 40 43 |
14 | 34 39 44 | 35 38 41 | 45 49 54 | 52 55 58 | 60 62 65 | 71 74 76 | 76 78 80 | 76 79 81 | 71 73 76 | 59 62 65 | 46 49 53 | 35 39 44 |
15 | 32 37 42 | 36 39 42 | 45 49 54 | 53 57 61 | 64 66 68 | 72 74 77 | 77 79 81 | 77 79 81 | 70 73 75 | 57 60 63 | 47 51 55 | 37 41 45 |
16 | 32 36 41 | 35 39 43 | 45 49 52 | 55 59 64 | 63 66 69 | 72 74 76 | 80 82 84 | 78 80 81 | 66 69 73 | 56 59 61 | 45 49 54 | 39 42 45 |
17 | 30 35 39 | 34 38 43 | 43 47 51 | 55 59 63 | 62 65 69 | 71 74 76 | 81 83 84 | 78 80 82 | 66 69 72 | 55 58 61 | 44 47 51 | 38 41 44 |
18 | 31 36 41 | 34 39 44 | 43 47 52 | 52 57 62 | 62 65 68 | 72 75 77 | 80 82 84 | 77 79 81 | 67 69 72 | 55 59 62 | 42 45 47 | 36 40 44 |
19 | 31 35 39 | 36 40 45 | 45 49 52 | 55 60 64 | 62 66 70 | 73 75 77 | 79 81 84 | 75 77 79 | 67 69 71 | 55 59 62 | 43 46 50 | 36 39 42 |
20 | 32 36 39 | 38 41 45 | 45 48 51 | 58 62 65 | 63 66 70 | 72 75 78 | 77 80 82 | 74 76 79 | 67 69 72 | 55 58 60 | 45 49 52 | 33 37 42 |
21 | 29 33 37 | 39 43 47 | 44 48 51 | 57 60 63 | 63 67 70 | 73 76 80 | 78 80 82 | 75 77 79 | 67 70 72 | 55 57 59 | 44 47 51 | 33 38 42 |
22 | 28 32 35 | 36 41 45 | 43 47 52 | 55 59 62 | 64 67 70 | 75 78 80 | 78 81 83 | 75 77 80 | 68 71 74 | 53 56 59 | 42 47 51 | 35 39 43 |
23 | 29 34 39 | 37 40 43 | 43 47 51 | 55 59 63 | 64 67 70 | 75 77 79 | 78 80 83 | 75 77 79 | 67 70 73 | 51 55 59 | 42 46 50 | 34 40 45 |
24 | 31 36 41 | 37 41 45 | 45 48 51 | 55 59 62 | 66 69 72 | 76 77 79 | 76 79 82 | 76 77 79 | 65 69 72 | 53 57 61 | 43 47 51 | 36 40 44 |
25 | 31 36 40 | 37 41 45 | 45 48 52 | 57 60 63 | 66 69 72 | 78 80 81 | 76 79 81 | 76 78 80 | 65 67 70 | 53 57 60 | 41 45 50 | 33 37 40 |
26 | 30 33 37 | 38 41 45 | 47 51 54 | 57 61 64 | 67 70 72 | 78 80 82 | 77 79 81 | 76 77 79 | 64 67 70 | 54 57 60 | 44 47 51 | 33 36 40 |
27 | 31 35 39 | 39 43 47 | 46 50 54 | 57 60 62 | 66 69 73 | 77 79 81 | 78 80 82 | 76 77 78 | 66 69 72 | 54 57 61 | 45 48 51 | 34 37 41 |
28 | 32 36 40 | 40 44 48 | 47 51 55 | 56 59 63 | 66 69 72 | 76 78 80 | 78 80 83 | 75 77 79 | 67 70 72 | 52 55 59 | 44 48 52 | 35 38 42 |
29 | 32 37 41 | 33 42 51 | 49 53 57 | 58 60 61 | 67 70 73 | 76 78 80 | 77 80 82 | 75 77 79 | 63 65 68 | 48 51 54 | 42 47 51 | 36 40 44 |
30 | 33 38 43 | 48 52 56 | 58 61 63 | 68 71 75 | 76 78 79 | 78 80 83 | 75 76 78 | 62 64 67 | 49 52 55 | 43 47 51 | 36 40 44 | |
31 | 32 37 41 | 48 51 55 | 69 73 76 | 78 80 83 | 74 76 79 | 51 55 58 | 36 40 43 |