Click on a day for an hourly weather forecast
The temperatures in Olomouc 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 Olomouc. 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 Olomouc in May 2025.
If you’re planning to visit Olomouc in the near future, we highly recommend that you review the 14 day weather forecast for Olomouc before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -5° | 6 | 11 | 14 | 49 mm | Awful | Olomouc in January |
| February | 2° / -3° | 7 | 12 | 10 | 48 mm | Awful | Olomouc in February |
| March | 8° / 1° | 6 | 21 | 5 | 54 mm | Bad | Olomouc in March |
| April | 14° / 4° | 5 | 24 | 2 | 47 mm | Ok | Olomouc in April |
| May | 18° / 8° | 8 | 23 | 0 | 117 mm | Ok | Olomouc in May |
| June | 22° / 12° | 8 | 22 | 0 | 125 mm | Ok | Olomouc in June |
| July | 25° / 14° | 8 | 23 | 0 | 133 mm | Good | Olomouc in July |
| August | 25° / 14° | 5 | 26 | 0 | 94 mm | Perfect | Olomouc in August |
| September | 20° / 10° | 4 | 26 | 0 | 76 mm | Good | Olomouc in September |
| October | 13° / 6° | 4 | 26 | 1 | 63 mm | Ok | Olomouc in October |
| November | 7° / 2° | 5 | 22 | 3 | 52 mm | Bad | Olomouc in November |
| December | 2° / -3° | 7 | 16 | 9 | 49 mm | Awful | Olomouc in December |