The weather in Porthmadog in December is very cold with temperatures between 3°C and 6°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Porthmadog. 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 Porthmadog during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore Porthmadog.
Our weather forecast can give you a great sense of what weather to expect in Porthmadog in December 2024.
If you’re planning to visit Porthmadog in the near future, we highly recommend that you review the 14 day weather forecast for Porthmadog before you arrive.
