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The temperatures in Ostrava 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 Ostrava. 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 Ostrava in May 2025.
If you’re planning to visit Ostrava in the near future, we highly recommend that you review the 14 day weather forecast for Ostrava before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -4° | 7 | 8 | 17 | 71 mm | Awful | Ostrava in January |
| February | 3° / -3° | 8 | 7 | 14 | 71 mm | Awful | Ostrava in February |
| March | 8° / 1° | 7 | 16 | 8 | 67 mm | Awful | Ostrava in March |
| April | 14° / 4° | 6 | 21 | 3 | 72 mm | Ok | Ostrava in April |
| May | 18° / 8° | 9 | 21 | 0 | 136 mm | Ok | Ostrava in May |
| June | 22° / 12° | 8 | 22 | 0 | 139 mm | Ok | Ostrava in June |
| July | 25° / 14° | 8 | 23 | 0 | 140 mm | Good | Ostrava in July |
| August | 25° / 14° | 6 | 25 | 0 | 106 mm | Perfect | Ostrava in August |
| September | 20° / 11° | 6 | 24 | 0 | 102 mm | Good | Ostrava in September |
| October | 14° / 6° | 6 | 24 | 1 | 98 mm | Good | Ostrava in October |
| November | 9° / 2° | 6 | 19 | 5 | 60 mm | Bad | Ostrava in November |
| December | 3° / -2° | 8 | 11 | 12 | 65 mm | Awful | Ostrava in December |