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The weather in Lummen in January is very cold with temperatures between 1°C and 5°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Lummen. 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.
You can expect a few days of snow in Lummen during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Lummen.
Our weather forecast can give you a great sense of what weather to expect in Lummen in January 2026.
If you’re planning to visit Lummen in the near future, we highly recommend that you review the 14 day weather forecast for Lummen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 9 | 15 | 7 | 94 mm | Awful | Lummen in January |
| February | 6° / 1° | 8 | 14 | 6 | 79 mm | Awful | Lummen in February |
| March | 11° / 3° | 7 | 22 | 2 | 73 mm | Awful | Lummen in March |
| April | 15° / 5° | 5 | 25 | 1 | 56 mm | Good | Lummen in April |
| May | 17° / 8° | 7 | 24 | 0 | 102 mm | Ok | Lummen in May |
| June | 21° / 11° | 6 | 24 | 0 | 115 mm | Good | Lummen in June |
| July | 23° / 13° | 6 | 25 | 0 | 108 mm | Perfect | Lummen in July |
| August | 23° / 14° | 5 | 26 | 0 | 107 mm | Perfect | Lummen in August |
| September | 20° / 11° | 5 | 25 | 0 | 67 mm | Good | Lummen in September |
| October | 15° / 8° | 5 | 26 | 0 | 67 mm | Good | Lummen in October |
| November | 10° / 5° | 8 | 21 | 1 | 84 mm | Bad | Lummen in November |
| December | 6° / 2° | 10 | 16 | 5 | 109 mm | Awful | Lummen in December |