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