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