The weather in Lanaken in December is very cold with temperatures between 2°C and 6°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Lanaken. 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 Lanaken during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore Lanaken.
Our weather forecast can give you a great sense of what weather to expect in Lanaken in December 2026.
If you’re planning to visit Lanaken in the near future, we highly recommend that you review the 14 day weather forecast for Lanaken before you arrive.


