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The temperatures in Konstanz in May are quite cold with temperatures between 6°C and 17°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Konstanz. 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.
Please note that Konstanz can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Konstanz in May 2026.
If you’re planning to visit Konstanz in the near future, we highly recommend that you review the 14 day weather forecast for Konstanz before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -4° | 7 | 8 | 16 | 109 mm | Awful | Konstanz in January |
| February | 4° / -4° | 6 | 8 | 16 | 83 mm | Awful | Konstanz in February |
| March | 8° / -1° | 7 | 14 | 10 | 86 mm | Awful | Konstanz in March |
| April | 14° / 2° | 7 | 19 | 4 | 84 mm | Bad | Konstanz in April |
| May | 17° / 6° | 12 | 19 | 1 | 182 mm | Ok | Konstanz in May |
| June | 21° / 10° | 11 | 19 | 0 | 195 mm | Ok | Konstanz in June |
| July | 23° / 11° | 11 | 20 | 0 | 187 mm | Good | Konstanz in July |
| August | 23° / 11° | 10 | 21 | 0 | 171 mm | Good | Konstanz in August |
| September | 19° / 8° | 6 | 24 | 0 | 103 mm | Good | Konstanz in September |
| October | 14° / 4° | 6 | 23 | 2 | 90 mm | Ok | Konstanz in October |
| November | 9° / 1° | 6 | 17 | 8 | 83 mm | Bad | Konstanz in November |
| December | 4° / -3° | 7 | 10 | 14 | 108 mm | Awful | Konstanz in December |