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The weather in Mikkeli in October is very cold with temperatures between 2°C and 7°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Mikkeli. 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 Mikkeli during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Mikkeli.
Our weather forecast can give you a great sense of what weather to expect in Mikkeli in October 2025.
If you’re planning to visit Mikkeli in the near future, we highly recommend that you review the 14 day weather forecast for Mikkeli before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -6° / -9° | 4 | 3 | 26 | 69 mm | Awful | Mikkeli in January |
| February | -4° / -9° | 3 | 3 | 23 | 58 mm | Awful | Mikkeli in February |
| March | -1° / -6° | 5 | 5 | 22 | 56 mm | Awful | Mikkeli in March |
| April | 6° / -1° | 6 | 12 | 13 | 55 mm | Awful | Mikkeli in April |
| May | 15° / 6° | 6 | 23 | 2 | 66 mm | Ok | Mikkeli in May |
| June | 19° / 10° | 6 | 24 | 0 | 75 mm | Good | Mikkeli in June |
| July | 22° / 13° | 6 | 25 | 0 | 94 mm | Good | Mikkeli in July |
| August | 20° / 12° | 6 | 25 | 0 | 86 mm | Good | Mikkeli in August |
| September | 14° / 8° | 6 | 24 | 0 | 79 mm | Good | Mikkeli in September |
| October | 7° / 2° | 8 | 15 | 7 | 83 mm | Awful | Mikkeli in October |
| November | 2° / -1° | 8 | 9 | 14 | 76 mm | Awful | Mikkeli in November |
| December | -3° / -6° | 6 | 3 | 24 | 76 mm | Awful | Mikkeli in December |