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The temperatures in Bialystok in May are quite cold with temperatures between 8°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Bialystok. 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 Bialystok in May 2025.
If you’re planning to visit Bialystok in the near future, we highly recommend that you review the 14 day weather forecast for Bialystok before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 6 | 5 | 21 | 75 mm | Awful | Bialystok in January |
| February | 0° / -4° | 6 | 6 | 18 | 64 mm | Awful | Bialystok in February |
| March | 6° / 0° | 7 | 13 | 12 | 61 mm | Awful | Bialystok in March |
| April | 13° / 4° | 7 | 20 | 4 | 64 mm | Awful | Bialystok in April |
| May | 18° / 8° | 8 | 23 | 0 | 129 mm | Ok | Bialystok in May |
| June | 23° / 12° | 8 | 22 | 0 | 126 mm | Good | Bialystok in June |
| July | 24° / 14° | 9 | 22 | 0 | 150 mm | Good | Bialystok in July |
| August | 24° / 14° | 6 | 25 | 0 | 90 mm | Perfect | Bialystok in August |
| September | 18° / 10° | 5 | 25 | 0 | 77 mm | Good | Bialystok in September |
| October | 12° / 5° | 6 | 24 | 1 | 74 mm | Ok | Bialystok in October |
| November | 6° / 2° | 8 | 17 | 5 | 71 mm | Awful | Bialystok in November |
| December | 1° / -2° | 8 | 8 | 16 | 77 mm | Awful | Bialystok in December |