Click on a day for an hourly weather forecast
The temperatures in Trier in May are quite cold with temperatures between 7°C and 17°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Trier. 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 Trier in May 2025.
If you’re planning to visit Trier in the near future, we highly recommend that you review the 14 day weather forecast for Trier before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -2° | 10 | 11 | 11 | 106 mm | Awful | Trier in January |
| February | 5° / -1° | 9 | 10 | 9 | 88 mm | Awful | Trier in February |
| March | 9° / 1° | 8 | 19 | 4 | 75 mm | Awful | Trier in March |
| April | 14° / 4° | 5 | 23 | 1 | 70 mm | Good | Trier in April |
| May | 17° / 7° | 8 | 23 | 0 | 119 mm | Ok | Trier in May |
| June | 21° / 11° | 7 | 23 | 0 | 107 mm | Ok | Trier in June |
| July | 23° / 13° | 5 | 26 | 0 | 74 mm | Perfect | Trier in July |
| August | 23° / 13° | 4 | 27 | 0 | 62 mm | Perfect | Trier in August |
| September | 19° / 10° | 4 | 26 | 0 | 61 mm | Good | Trier in September |
| October | 13° / 6° | 7 | 24 | 0 | 81 mm | Bad | Trier in October |
| November | 8° / 3° | 9 | 18 | 2 | 100 mm | Awful | Trier in November |
| December | 4° / 0° | 12 | 12 | 8 | 137 mm | Awful | Trier in December |