Click on a day for an hourly weather forecast
The temperatures in Radolfzell in May are quite cold with temperatures between 5°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Radolfzell. 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 Radolfzell in May 2026.
If you’re planning to visit Radolfzell in the near future, we highly recommend that you review the 14 day weather forecast for Radolfzell before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -4° | 8 | 10 | 13 | 91 mm | Awful | Radolfzell in January |
| February | 5° / -4° | 8 | 9 | 13 | 74 mm | Awful | Radolfzell in February |
| March | 10° / -1° | 7 | 17 | 7 | 75 mm | Awful | Radolfzell in March |
| April | 15° / 2° | 6 | 21 | 2 | 85 mm | Ok | Radolfzell in April |
| May | 18° / 5° | 11 | 20 | 0 | 162 mm | Ok | Radolfzell in May |
| June | 23° / 9° | 10 | 20 | 0 | 172 mm | Good | Radolfzell in June |
| July | 25° / 11° | 10 | 22 | 0 | 162 mm | Good | Radolfzell in July |
| August | 25° / 11° | 7 | 24 | 0 | 136 mm | Good | Radolfzell in August |
| September | 20° / 7° | 5 | 25 | 0 | 84 mm | Good | Radolfzell in September |
| October | 15° / 3° | 6 | 24 | 0 | 83 mm | Good | Radolfzell in October |
| November | 9° / 0° | 7 | 19 | 5 | 80 mm | Awful | Radolfzell in November |
| December | 4° / -3° | 9 | 12 | 10 | 101 mm | Awful | Radolfzell in December |