| World Facts Index > Finland > Geography > Weather > Oulu |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 18 | 18 | 28 | 40 | 54 | 64 | 68 | 64 | 54 | 41 | 30 | 24 |
| Avg. Low | 4 | 5 | 14 | 25 | 37 | 47 | 52 | 48 | 40 | 32 | 21 | 10 |
| Mean | 12 | 14 | 22 | 34 | 46 | 56 | 61 | 57 | 47 | 37 | 26 | 17 |
| Avg. Precip. | 1.0 in | 0.8 in | 0.9 in | 0.8 in | 1.3 in | 1.7 in | 2.3 in | 2.6 in | 1.9 in | 1.7 in | 1.3 in | 1.1 in |
Fahrenheit temperature scale is used.