Click on a day for an hourly weather forecast
The temperatures in Biella in May are quite cold with temperatures between 8°C and 19°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Biella. 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.
Our weather forecast can give you a great sense of what weather to expect in Biella in May 2026.
If you’re planning to visit Biella in the near future, we highly recommend that you review the 14 day weather forecast for Biella before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -2° | 5 | 21 | 5 | 60 mm | Awful | Biella in January |
| February | 7° / -1° | 5 | 19 | 4 | 72 mm | Bad | Biella in February |
| March | 11° / 2° | 7 | 22 | 2 | 119 mm | Awful | Biella in March |
| April | 15° / 5° | 9 | 21 | 0 | 177 mm | Ok | Biella in April |
| May | 19° / 8° | 13 | 18 | 0 | 257 mm | Ok | Biella in May |
| June | 24° / 11° | 14 | 16 | 0 | 230 mm | Good | Biella in June |
| July | 27° / 13° | 14 | 17 | 0 | 220 mm | Good | Biella in July |
| August | 26° / 13° | 11 | 20 | 0 | 210 mm | Good | Biella in August |
| September | 22° / 10° | 5 | 25 | 0 | 120 mm | Good | Biella in September |
| October | 16° / 7° | 4 | 26 | 0 | 161 mm | Good | Biella in October |
| November | 10° / 4° | 7 | 22 | 1 | 265 mm | Bad | Biella in November |
| December | 6° / 0° | 4 | 23 | 4 | 87 mm | Awful | Biella in December |