If you’re planning to climb Snowdon in the coming days it’s essential you know what the weather’s going to be like at the summit. Checking the mountain weather forecast before setting off will ensure you have the right gear for the day or might even lead you to change your plans altogether.
It’s important to understand how mountain weather differs from the weather we experience in the valleys. Very simply we would expect the temperature to drop by 1°C for every 100m we climb. Snowdon is over 1000m high so typically the temperature will be around 10°C colder at the top than when you started. That’s before we add in any other factors such as wind chill.
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