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The temperatures in Saarlouis in April are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Saarlouis during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Saarlouis can expect a few days of snow in April.
Our weather forecast can give you a great sense of what weather to expect in Saarlouis in April 2026.
If you’re planning to visit Saarlouis in the near future, we highly recommend that you review the 14 day weather forecast for Saarlouis before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -1° | 10 | 10 | 12 | 107 mm | Awful | Saarlouis in January |
| February | 5° / 0° | 8 | 11 | 10 | 91 mm | Awful | Saarlouis in February |
| March | 10° / 2° | 7 | 19 | 5 | 71 mm | Awful | Saarlouis in March |
| April | 14° / 5° | 5 | 23 | 1 | 68 mm | Good | Saarlouis in April |
| May | 17° / 8° | 8 | 23 | 0 | 124 mm | Ok | Saarlouis in May |
| June | 22° / 11° | 7 | 23 | 0 | 117 mm | Ok | Saarlouis in June |
| July | 24° / 13° | 6 | 25 | 0 | 110 mm | Perfect | Saarlouis in July |
| August | 24° / 14° | 5 | 26 | 0 | 93 mm | Perfect | Saarlouis in August |
| September | 20° / 10° | 4 | 26 | 0 | 73 mm | Good | Saarlouis in September |
| October | 14° / 7° | 6 | 25 | 0 | 74 mm | Good | Saarlouis in October |
| November | 8° / 3° | 7 | 20 | 3 | 93 mm | Awful | Saarlouis in November |
| December | 5° / 1° | 10 | 13 | 9 | 121 mm | Awful | Saarlouis in December |