Click on a day for an hourly weather forecast
The weather in Saarlouis in January is very cold with temperatures between -1°C and 4°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Saarlouis. 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.
Saarlouis is going to experience quite a number of days of snow during January. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Saarlouis in January 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 |