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The weather in Lahti in January is very cold with temperatures between -9°C and -5°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Lahti during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Let it snow! You can expect Lahti to be covered in white during the month of January. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Lahti in January 2025.
If you’re planning to visit Lahti in the near future, we highly recommend that you review the 14 day weather forecast for Lahti before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -5° / -9° | 4 | 4 | 24 | 68 mm | Awful | Lahti in January |
| February | -4° / -9° | 3 | 3 | 22 | 62 mm | Awful | Lahti in February |
| March | 0° / -6° | 6 | 6 | 21 | 56 mm | Awful | Lahti in March |
| April | 7° / 0° | 6 | 14 | 10 | 56 mm | Bad | Lahti in April |
| May | 15° / 6° | 6 | 24 | 1 | 67 mm | Good | Lahti in May |
| June | 20° / 10° | 6 | 24 | 0 | 80 mm | Good | Lahti in June |
| July | 22° / 13° | 6 | 25 | 0 | 90 mm | Good | Lahti in July |
| August | 20° / 11° | 4 | 27 | 0 | 68 mm | Good | Lahti in August |
| September | 15° / 8° | 5 | 25 | 0 | 62 mm | Good | Lahti in September |
| October | 7° / 3° | 9 | 18 | 5 | 79 mm | Awful | Lahti in October |
| November | 2° / -1° | 7 | 13 | 10 | 73 mm | Awful | Lahti in November |
| December | -2° / -5° | 6 | 4 | 22 | 75 mm | Awful | Lahti in December |