| World Facts Index > Poland > Geography > Weather > Suwalki |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 26 | 28 | 37 | 50 | 64 | 68 | 70 | 70 | 61 | 51 | 38 | 30 |
| Avg. Low | 17 | 18 | 24 | 34 | 44 | 50 | 52 | 51 | 45 | 38 | 31 | 22 |
| Mean | 24 | 24 | 31 | 42 | 54 | 60 | 62 | 61 | 54 | 44 | 35 | 27 |
| Avg. Precip. | 1.3 in | 0.9 in | 1.3 in | 1.4 in | 2.3 in | 3.0 in | 3.0 in | 2.7 in | 2.1 in | 1.9 in | 2.1 in | 1.5 in |
Fahrenheit temperature scale is used.