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The temperatures in Outokumpu in May are quite cold with temperatures between 5°C and 13°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Outokumpu during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Outokumpu during May. It’s important to get out your snow boots and warm mittens to stay warm while you explore Outokumpu.
Our weather forecast can give you a great sense of what weather to expect in Outokumpu in May 2026.
If you’re planning to visit Outokumpu in the near future, we highly recommend that you review the 14 day weather forecast for Outokumpu before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -7° / -11° | 2 | 4 | 25 | 61 mm | Awful | Outokumpu in January |
| February | -6° / -11° | 2 | 3 | 24 | 60 mm | Awful | Outokumpu in February |
| March | -2° / -7° | 4 | 4 | 23 | 61 mm | Awful | Outokumpu in March |
| April | 4° / -1° | 6 | 10 | 15 | 55 mm | Awful | Outokumpu in April |
| May | 13° / 5° | 7 | 22 | 3 | 74 mm | Awful | Outokumpu in May |
| June | 18° / 9° | 6 | 23 | 0 | 95 mm | Good | Outokumpu in June |
| July | 21° / 13° | 8 | 23 | 0 | 125 mm | Ok | Outokumpu in July |
| August | 19° / 11° | 7 | 24 | 0 | 122 mm | Ok | Outokumpu in August |
| September | 13° / 7° | 7 | 22 | 1 | 102 mm | Bad | Outokumpu in September |
| October | 6° / 2° | 8 | 15 | 8 | 83 mm | Awful | Outokumpu in October |
| November | 1° / -2° | 8 | 7 | 16 | 82 mm | Awful | Outokumpu in November |
| December | -4° / -7° | 4 | 3 | 25 | 70 mm | Awful | Outokumpu in December |