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The temperatures in Finland in October are quite cold with temperatures between 6°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Finland. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Finland during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Finland.
Our weather forecast can give you a great sense of what weather to expect in Finland in October 2025.
If you’re planning to visit Finland in the near future, we highly recommend that you review the 14 day weather forecast for Finland before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 4 | 8 | 19 | 60 mm | Awful | Finland in January |
| February | -2° / -5° | 4 | 7 | 17 | 51 mm | Awful | Finland in February |
| March | 1° / -3° | 7 | 10 | 15 | 46 mm | Awful | Finland in March |
| April | 5° / 2° | 6 | 18 | 6 | 42 mm | Awful | Finland in April |
| May | 11° / 7° | 5 | 25 | 1 | 60 mm | Ok | Finland in May |
| June | 16° / 12° | 6 | 24 | 0 | 83 mm | Good | Finland in June |
| July | 20° / 16° | 6 | 25 | 0 | 106 mm | Good | Finland in July |
| August | 19° / 15° | 7 | 24 | 0 | 135 mm | Ok | Finland in August |
| September | 15° / 12° | 6 | 24 | 0 | 91 mm | Good | Finland in September |
| October | 9° / 6° | 8 | 20 | 3 | 90 mm | Awful | Finland in October |
| November | 5° / 3° | 7 | 18 | 5 | 76 mm | Awful | Finland in November |
| December | 1° / -1° | 7 | 11 | 14 | 72 mm | Awful | Finland in December |