| World Facts Index > Finland > Geography > Weather > Helsinki |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 24 | 25 | 32 | 45 | 58 | 68 | 70 | 67 | 57 | 46 | 36 | 28 |
| Avg. Low | 14 | 14 | 20 | 30 | 38 | 48 | 52 | 51 | 44 | 36 | 27 | 18 |
| Mean | 20 | 20 | 27 | 37 | 50 | 58 | 62 | 58 | 50 | 42 | 32 | 25 |
| Avg. Precip. | 1.6 in | 1.3 in | 1.3 in | 1.5 in | 1.4 in | 1.7 in | 2.9 in | 3.3 in | 2.9 in | 2.9 in | 2.8 in | 2.3 in |
Fahrenheit temperature scale is used.