Click on a day for an hourly weather forecast
The temperatures in Opava 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 Opava. 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 Opava in May 2026.
If you’re planning to visit Opava in the near future, we highly recommend that you review the 14 day weather forecast for Opava before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -4° | 7 | 8 | 17 | 57 mm | Awful | Opava in January |
| February | 2° / -3° | 6 | 10 | 13 | 59 mm | Awful | Opava in February |
| March | 8° / 1° | 6 | 18 | 7 | 60 mm | Bad | Opava in March |
| April | 14° / 4° | 6 | 21 | 3 | 64 mm | Ok | Opava in April |
| May | 18° / 8° | 8 | 22 | 0 | 121 mm | Ok | Opava in May |
| June | 22° / 12° | 8 | 22 | 0 | 122 mm | Ok | Opava in June |
| July | 24° / 14° | 8 | 23 | 0 | 128 mm | Good | Opava in July |
| August | 24° / 14° | 5 | 26 | 0 | 103 mm | Perfect | Opava in August |
| September | 19° / 10° | 5 | 25 | 0 | 92 mm | Good | Opava in September |
| October | 13° / 6° | 6 | 25 | 1 | 84 mm | Ok | Opava in October |
| November | 8° / 3° | 5 | 21 | 4 | 50 mm | Bad | Opava in November |
| December | 2° / -2° | 7 | 14 | 11 | 52 mm | Awful | Opava in December |