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The weather in Lohja in January is very cold with temperatures between -7°C and -3°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Lohja 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 Lohja 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 Lohja in January 2026.
If you’re planning to visit Lohja in the near future, we highly recommend that you review the 14 day weather forecast for Lohja before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -7° | 5 | 6 | 21 | 49 mm | Awful | Lohja in January |
| February | -3° / -7° | 4 | 6 | 19 | 45 mm | Awful | Lohja in February |
| March | 1° / -5° | 6 | 8 | 18 | 41 mm | Awful | Lohja in March |
| April | 7° / 0° | 5 | 17 | 8 | 35 mm | Bad | Lohja in April |
| May | 14° / 6° | 5 | 25 | 1 | 50 mm | Good | Lohja in May |
| June | 19° / 10° | 5 | 25 | 0 | 60 mm | Good | Lohja in June |
| July | 22° / 13° | 5 | 26 | 0 | 73 mm | Good | Lohja in July |
| August | 20° / 12° | 5 | 26 | 0 | 67 mm | Good | Lohja in August |
| September | 15° / 8° | 4 | 26 | 0 | 50 mm | Good | Lohja in September |
| October | 8° / 4° | 6 | 22 | 3 | 58 mm | Bad | Lohja in October |
| November | 4° / 1° | 7 | 16 | 8 | 56 mm | Awful | Lohja in November |
| December | -1° / -4° | 7 | 6 | 18 | 57 mm | Awful | Lohja in December |