Łomża Climate: Weather by Month and Best Time to Visit
Best months for Łomża: August, June, July, September.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -5°C | 40 mm | 11 | – | – | 3.7 |
| February | 1°C | -4°C | 38 mm | 9 | – | – | 4.1 |
| March | 6°C | -2°C | 41 mm | 10 | – | – | 4.8 |
| April | 13°C | 3°C | 44 mm | 10 | – | – | 6.3 |
| May | 18°C | 7°C | 65 mm | 12 | – | – | 6.9 |
| June | 21°C | 11°C | 75 mm | 12 | – | – | 7.3 |
| July | 24°C | 13°C | 83 mm | 13 | – | – | 7.3 |
| August | 23°C | 13°C | 69 mm | 11 | – | – | 7.6 |
| September | 18°C | 9°C | 59 mm | 10 | – | – | 7.1 |
| October | 11°C | 4°C | 49 mm | 10 | – | – | 6.1 |
| November | 5°C | 1°C | 40 mm | 9 | – | – | 5.0 |
| December | 1°C | -3°C | 44 mm | 10 | – | – | 4.1 |