Lahti Climate: Weather by Month and Best Time to Visit
Best months for Lahti: July, August, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -3°C | -8°C | 41 mm | 10 | – | – | 3.7 |
| February | -3°C | -9°C | 34 mm | 8 | – | – | 4.0 |
| March | 1°C | -6°C | 33 mm | 9 | – | – | 4.1 |
| April | 8°C | -1°C | 35 mm | 9 | – | – | 5.4 |
| May | 15°C | 5°C | 48 mm | 10 | – | – | 6.6 |
| June | 19°C | 10°C | 75 mm | 12 | – | – | 6.9 |
| July | 21°C | 13°C | 76 mm | 13 | – | – | 7.3 |
| August | 20°C | 11°C | 68 mm | 12 | – | – | 7.1 |
| September | 14°C | 7°C | 51 mm | 10 | – | – | 6.5 |
| October | 7°C | 2°C | 57 mm | 11 | – | – | 5.2 |
| November | 2°C | -2°C | 50 mm | 11 | – | – | 4.2 |
| December | -1°C | -5°C | 48 mm | 12 | – | – | 3.5 |