Average daily temperatures in Boston, Massachusetts, including the 9 year minima and maxima. Due to the possible presence of missing data c.f. the actual day counts involved in the calculations. Keep in mind that the "raw" daily data represent average day temperatures already. The minima and maxima regard thus the coolest and warmest days experienced over the past 9 years rather than the coldest and hotest temperatures reached during that period.
January | February | March | April | May | June | July | August | September | October | November | December | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | -12 -0 8 | -8 -1 6 | -4 1 8 | -0 7 14 | 6 13 19 | 12 19 28 | 15 22 28 | 17 23 29 | 16 22 29 | 10 15 24 | 5 11 17 | -2 6 18 |
2 | -13 -0 8 | -4 0 7 | -5 2 9 | 2 6 13 | 8 13 24 | 13 19 26 | 16 22 29 | 18 24 32 | 16 20 27 | 9 15 23 | 2 10 16 | -6 4 11 |
3 | -12 0 13 | -7 -0 9 | -7 1 10 | 3 7 15 | 8 13 27 | 12 18 24 | 18 23 30 | 20 24 29 | 17 20 25 | 9 15 20 | 1 9 17 | -6 4 15 |
4 | -8 0 10 | -13 -0 8 | -8 1 10 | 1 7 16 | 9 13 28 | 11 16 20 | 20 24 31 | 19 23 28 | 14 21 24 | 7 15 23 | 4 8 13 | -5 4 15 |
5 | -9 1 12 | -12 -1 8 | -3 2 8 | -3 6 17 | 9 13 19 | 11 17 23 | 18 24 31 | 18 23 28 | 14 20 26 | 7 15 22 | 4 8 12 | -4 4 12 |
6 | -13 1 16 | -14 -2 5 | -9 3 12 | -1 6 15 | 7 12 20 | 12 17 23 | 20 24 30 | 18 23 26 | 14 20 25 | 9 14 22 | 2 8 14 | -3 3 16 |
7 | -11 1 10 | -14 -1 5 | -11 2 10 | 1 7 17 | 8 13 20 | 12 17 27 | 16 23 29 | 18 22 29 | 16 21 25 | 7 13 22 | 4 8 13 | -3 3 15 |
8 | -8 0 12 | -7 -1 7 | -7 3 14 | 1 7 15 | 7 13 24 | 13 19 30 | 15 23 27 | 20 23 28 | 16 21 27 | 8 14 21 | 2 9 18 | -7 1 7 |
9 | -14 0 13 | -7 -1 6 | -10 2 11 | 0 8 14 | 9 13 21 | 14 19 27 | 16 22 27 | 20 23 31 | 16 20 26 | 6 14 24 | 0 8 16 | -6 0 7 |
10 | -16 -0 8 | -9 1 7 | -6 2 11 | 0 8 14 | 7 13 22 | 13 19 23 | 18 22 26 | 18 24 29 | 15 19 27 | 6 15 24 | -0 9 17 | -6 3 14 |
11 | -12 -1 9 | -8 0 6 | -4 2 11 | 4 7 14 | 9 13 21 | 13 19 28 | 18 22 28 | 19 23 26 | 15 18 23 | 10 14 18 | 2 8 19 | -6 3 9 |
12 | -7 1 10 | -8 -1 8 | -6 3 9 | 4 8 15 | 8 13 23 | 11 18 27 | 19 22 29 | 19 22 26 | 14 19 24 | 8 13 19 | 2 7 14 | -6 3 6 |
13 | -6 1 7 | -11 -1 6 | -6 3 14 | 4 8 17 | 7 12 20 | 12 17 27 | 18 23 27 | 17 22 28 | 15 20 23 | 7 13 21 | 0 7 12 | -6 2 10 |
14 | -14 -0 12 | -12 -1 6 | -5 4 12 | 3 10 17 | 8 12 16 | 13 18 23 | 17 23 29 | 18 23 30 | 15 19 24 | 7 13 20 | -0 8 15 | -9 2 11 |
15 | -16 -2 13 | -11 -0 6 | -2 4 10 | 4 9 18 | 9 14 23 | 11 18 26 | 19 24 31 | 19 22 28 | 13 19 25 | 5 13 20 | -2 9 16 | -7 2 11 |
16 | -17 -2 15 | -15 -0 8 | -3 3 14 | 5 9 22 | 8 14 19 | 11 18 26 | 19 24 28 | 18 23 29 | 14 18 22 | 5 12 16 | -1 8 15 | -4 3 10 |
17 | -11 -2 12 | -7 0 8 | -2 3 9 | 3 10 25 | 8 13 19 | 13 20 26 | 17 25 30 | 18 24 30 | 13 17 21 | 6 12 18 | 1 7 18 | -5 3 12 |
18 | -13 -2 9 | -6 1 11 | -4 4 14 | 2 10 15 | 7 13 20 | 13 20 27 | 17 25 31 | 18 23 29 | 13 17 21 | 7 12 16 | 2 5 10 | -8 2 11 |
19 | -13 -1 10 | -8 1 12 | -1 4 14 | 5 10 16 | 8 13 19 | 13 20 28 | 18 23 31 | 18 22 28 | 13 17 22 | 6 11 18 | -2 5 13 | -6 1 9 |
20 | -8 -1 8 | -5 1 6 | -2 4 15 | 6 12 22 | 9 15 23 | 16 21 28 | 18 23 31 | 17 21 26 | 13 18 24 | 7 12 20 | -2 7 13 | -8 1 9 |
21 | -13 -3 10 | -4 2 10 | -2 4 19 | 7 11 17 | 10 16 25 | 16 21 31 | 19 23 28 | 16 21 28 | 13 18 23 | 9 12 18 | -1 6 13 | -9 0 9 |
22 | -14 -3 4 | -7 2 16 | -1 5 20 | 6 11 19 | 10 14 24 | 15 21 31 | 19 24 33 | 16 22 27 | 13 19 23 | 7 11 20 | -4 6 12 | -6 1 12 |
23 | -13 -2 8 | -9 1 9 | -2 5 20 | 5 11 19 | 9 14 21 | 16 20 25 | 18 23 30 | 18 22 26 | 12 18 22 | 4 10 20 | -3 5 15 | -7 1 9 |
24 | -14 -2 10 | -5 1 10 | -1 4 11 | 7 12 21 | 8 16 22 | 15 21 28 | 17 23 28 | 17 21 26 | 12 17 23 | 5 11 18 | -4 5 15 | -4 3 10 |
25 | -13 -1 7 | -5 1 8 | 1 5 11 | 7 11 18 | 7 16 27 | 14 22 27 | 17 22 30 | 17 21 27 | 13 17 25 | 6 12 19 | -3 5 15 | -8 1 10 |
26 | -13 -2 8 | -11 1 8 | 1 6 13 | 3 11 23 | 9 16 27 | 19 24 28 | 18 22 28 | 18 22 27 | 12 17 26 | 5 11 18 | -1 6 13 | -9 0 7 |
27 | -11 -3 6 | -10 2 9 | -1 6 16 | 5 10 14 | 10 15 22 | 17 23 30 | 17 23 29 | 16 22 26 | 13 17 25 | 6 11 19 | -1 6 14 | -5 1 8 |
28 | -12 -2 5 | -6 2 10 | 1 6 20 | 5 11 23 | 10 16 21 | 16 22 28 | 17 23 28 | 17 21 26 | 13 18 23 | 4 11 21 | -5 6 15 | -8 1 12 |
29 | -7 -2 11 | -8 1 7 | 1 7 18 | 5 11 20 | 11 17 25 | 18 22 27 | 19 23 28 | 16 21 26 | 8 16 24 | 2 8 14 | -2 6 14 | -5 1 9 |
30 | -10 -1 6 | 0 8 19 | 6 12 19 | 10 18 24 | 17 23 28 | 19 23 29 | 16 21 25 | 12 15 22 | 3 9 15 | -2 6 14 | -8 2 8 | |
31 | -8 -1 12 | 2 7 23 | 12 19 29 | 17 22 29 | 17 22 29 | 4 11 17 | -7 -0 5 |