Click on a day for an hourly weather forecast
The temperatures in Vannes in May are usually low and can range between 10°C and 16°C.
You can expect about 3 to 8 days of rain in Vannes during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Vannes in May 2026.
If you’re planning to visit Vannes in the near future, we highly recommend that you review the 14 day weather forecast for Vannes before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 6° | 8 | 22 | 1 | 126 mm | Bad | Vannes in January |
| February | 10° / 5° | 8 | 19 | 1 | 114 mm | Bad | Vannes in February |
| March | 12° / 6° | 6 | 25 | 0 | 75 mm | Ok | Vannes in March |
| April | 14° / 8° | 5 | 25 | 0 | 74 mm | Good | Vannes in April |
| May | 16° / 10° | 4 | 27 | 0 | 75 mm | Good | Vannes in May |
| June | 19° / 13° | 5 | 25 | 0 | 96 mm | Good | Vannes in June |
| July | 21° / 15° | 4 | 27 | 0 | 65 mm | Good | Vannes in July |
| August | 21° / 15° | 5 | 26 | 0 | 74 mm | Good | Vannes in August |
| September | 20° / 13° | 3 | 27 | 0 | 52 mm | Good | Vannes in September |
| October | 17° / 12° | 6 | 25 | 0 | 131 mm | Good | Vannes in October |
| November | 13° / 9° | 8 | 22 | 0 | 139 mm | Bad | Vannes in November |
| December | 11° / 7° | 9 | 21 | 0 | 144 mm | Bad | Vannes in December |