Average daily temperatures in Seattle, Washington, 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 | -0 6 11 | -2 6 11 | 2 6 12 | 4 8 13 | 8 11 20 | 11 15 20 | 14 17 26 | 15 18 21 | 13 17 23 | 10 13 16 | 2 8 13 | 2 6 11 |
2 | 0 6 10 | -1 6 9 | 2 7 12 | 4 7 12 | 8 11 17 | 10 15 24 | 12 17 22 | 15 18 23 | 14 17 23 | 10 13 17 | 3 8 13 | 1 6 10 |
3 | 0 5 10 | -0 6 9 | 3 6 9 | 4 8 13 | 8 11 15 | 10 15 25 | 12 17 22 | 14 18 22 | 14 18 22 | 10 13 15 | 3 9 13 | 2 5 10 |
4 | -5 5 11 | 2 7 10 | 3 6 10 | 5 8 12 | 7 11 18 | 10 16 25 | 14 17 22 | 15 19 24 | 14 17 22 | 9 12 16 | 2 9 15 | 1 5 13 |
5 | -5 5 11 | 3 7 10 | 3 7 11 | 5 9 15 | 6 11 20 | 11 15 22 | 13 17 23 | 14 19 26 | 13 17 21 | 9 13 16 | 4 8 14 | 2 5 8 |
6 | -4 5 12 | 2 7 12 | 2 6 12 | 5 9 18 | 6 11 22 | 9 14 27 | 15 18 21 | 15 18 23 | 13 16 20 | 9 13 16 | 4 8 14 | 0 5 8 |
7 | -0 7 13 | 1 7 12 | 1 7 13 | 4 9 16 | 5 11 21 | 10 14 25 | 15 17 22 | 14 18 21 | 13 17 22 | 10 13 18 | 5 9 15 | -2 5 9 |
8 | 3 6 11 | 1 6 11 | 1 7 13 | 6 9 16 | 6 11 17 | 9 14 20 | 15 18 26 | 15 18 22 | 13 17 21 | 10 13 15 | 6 9 14 | -3 4 9 |
9 | -1 6 9 | 1 5 9 | 2 7 14 | 4 9 14 | 7 11 16 | 11 14 21 | 15 19 26 | 16 19 24 | 13 17 22 | 8 12 15 | 5 9 12 | -5 4 9 |
10 | -1 5 10 | 2 5 10 | 0 8 13 | 6 9 14 | 8 11 17 | 10 14 18 | 14 19 23 | 15 19 23 | 13 17 21 | 8 12 17 | 3 8 13 | -4 5 12 |
11 | -4 5 9 | 3 6 11 | 1 8 12 | 6 10 17 | 9 12 18 | 10 14 18 | 15 19 27 | 15 18 22 | 13 17 22 | 8 11 14 | 3 8 12 | -2 5 10 |
12 | -4 5 10 | 2 6 10 | 3 8 15 | 5 10 15 | 8 12 20 | 9 15 21 | 16 18 23 | 15 19 23 | 14 17 21 | 9 11 15 | 3 8 13 | -1 6 11 |
13 | -4 5 10 | -1 6 9 | 3 8 12 | 5 9 14 | 8 13 18 | 12 15 24 | 14 18 25 | 15 19 24 | 14 17 23 | 10 12 15 | 5 8 11 | 0 6 11 |
14 | -3 5 10 | -2 6 10 | 3 8 12 | 5 8 14 | 8 13 19 | 12 15 21 | 15 18 26 | 15 20 26 | 13 17 21 | 10 12 15 | 3 9 14 | -1 5 10 |
15 | -2 4 10 | 2 6 10 | 4 7 12 | 5 9 15 | 9 14 19 | 12 15 18 | 14 19 22 | 15 19 28 | 12 16 20 | 7 11 14 | 3 8 14 | -4 5 9 |
16 | -1 4 11 | 1 6 10 | 2 7 13 | 6 10 19 | 7 14 21 | 11 15 19 | 14 18 24 | 15 19 26 | 13 15 20 | 7 11 14 | 2 8 11 | -4 6 10 |
17 | 0 5 10 | 1 6 10 | 1 7 11 | 6 10 17 | 7 13 23 | 13 15 22 | 13 18 25 | 13 19 24 | 12 15 19 | 7 12 18 | 2 8 13 | -0 5 8 |
18 | 1 5 12 | -0 6 11 | 2 7 11 | 6 9 13 | 8 13 19 | 12 15 26 | 13 18 26 | 15 18 22 | 11 15 20 | 8 11 15 | 2 7 12 | -0 5 9 |
19 | -2 6 14 | 2 6 12 | 2 7 12 | 4 9 15 | 10 13 19 | 12 15 23 | 13 18 25 | 15 18 24 | 12 15 19 | 6 11 15 | 1 7 12 | -4 4 9 |
20 | 0 6 12 | 2 6 13 | 2 8 11 | 4 10 14 | 10 13 17 | 12 16 22 | 15 19 23 | 15 18 22 | 12 15 20 | 6 11 16 | 1 7 12 | -6 5 10 |
21 | 1 6 11 | 4 7 10 | 4 7 11 | 5 10 15 | 9 13 19 | 12 16 23 | 15 19 26 | 15 18 23 | 12 15 22 | 6 10 17 | 2 6 11 | -7 5 11 |
22 | 0 5 11 | 4 7 11 | 4 8 13 | 7 10 15 | 10 13 19 | 12 15 20 | 16 19 28 | 16 18 20 | 11 15 20 | 6 11 16 | -1 6 11 | -6 4 12 |
23 | 1 6 11 | 2 6 10 | 5 8 11 | 6 11 16 | 9 13 23 | 13 15 22 | 15 19 28 | 14 18 21 | 11 15 21 | 7 11 15 | -5 6 12 | -5 4 12 |
24 | 1 6 10 | -1 6 10 | 5 8 12 | 7 11 16 | 11 14 19 | 12 16 20 | 15 20 28 | 15 18 22 | 12 15 20 | 7 10 14 | -7 6 12 | 1 5 13 |
25 | 0 6 10 | -3 5 9 | 5 8 11 | 7 11 15 | 10 14 21 | 12 16 23 | 15 19 25 | 15 18 23 | 12 15 19 | 7 9 12 | -1 6 11 | 1 5 13 |
26 | -3 5 12 | -4 5 10 | 5 8 12 | 7 11 16 | 9 14 22 | 13 17 26 | 16 19 25 | 14 18 21 | 11 15 18 | 6 9 13 | 3 6 9 | -1 4 11 |
27 | -1 4 9 | 1 5 10 | 3 7 11 | 6 11 16 | 9 14 25 | 13 18 24 | 15 20 26 | 15 18 23 | 10 15 19 | 7 9 13 | 1 6 10 | -2 5 9 |
28 | -0 5 10 | 2 6 11 | 3 8 11 | 5 11 16 | 10 14 20 | 13 18 24 | 15 20 28 | 15 18 22 | 12 15 20 | 5 9 13 | -3 6 11 | 0 5 10 |
29 | -4 6 12 | 4 6 9 | 3 8 16 | 7 11 16 | 10 14 22 | 14 18 27 | 14 20 31 | 14 18 22 | 10 15 18 | 6 9 13 | -5 6 12 | -0 5 10 |
30 | -6 6 11 | 3 9 15 | 6 11 19 | 10 14 21 | 14 18 27 | 14 19 29 | 13 17 21 | 10 14 17 | 4 9 13 | 2 7 12 | -1 5 9 | |
31 | -3 6 12 | 5 8 15 | 10 15 20 | 15 18 21 | 13 17 22 | 3 9 14 | -2 5 9 |