Photo © Shan A. Rajpoot

Knowing what the weather’s doing on your Snowdon mountain day is key to making sure you’re properly prepared and get the most out of the experience. Having the wrong gear for the weather conditions can turn a nice day out in to a nightmare. It’s essential to spend a few minutes checking the Snowdon weather forecasts before heading up the mountain.

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BEWARE of using ‘standard’ weather apps on your smart phone as they’ll only tell you what conditions are like at your start point which can often be at or close to sea level. Typically, temperatures drop around 1°C for every 100m you climb. So as an example, the village of Llanberis lies at around 100m above sea level and the summit of Snowdon is at 1085m so you would expect it to be around 10°C colder at the top and that’s before you take into account wind chill and other factors.

It’s also important to remember that weather systems around the mountains change often. Checking the weather on Snowdon a week before your visit is unlikely to be that reliable. By all means keep an eye on the forecast on the run up to your trip but check it the night before and again on the morning of your climb.

Fortunately there are a few great online resources for Snowdon mountain weather forecasts both of which are easy to use, work well on a smart phone’s web browser and don’t cost a penny.


Met Office Mountain Weather Forecasts

Snowdon Mountain Weather - Met OfficeThe UK’s Met Office has been predicting the weather for over 150 years and provides twice-daily mountain forecasts for our most popular mountain areas including actual summits. You can access the Met Office mountain weather forecast for Snowdon at www.metoffice.gov.uk/weather/forecast/gcmjghxpx or for the whole of Snowdonia at www.metoffice.gov.uk/weather/specialist-forecasts/mountain/snowdonia


Mountain Weather Information Service

Snowdon Mountain Weather - MWISThe Mountain Weather Information Service (MWIS) forecasts contain detailed and accessible information aimed at both novice and experienced mountain users and cover ten upland regions across the country. Unlike the Met Office reports, MWIS compile their forecasts by hand usually the afternoon before so they’re not always the most up-to-date. They’re very easy to read and understand as they’re written in plain English without complicated meteorological terminology! There’s no Snowdon specific forecast however the Mountain Weather Information Service forecast for Snowdonia is available at www.mwis.org.uk/forecasts/english-and-welsh/snowdonia-national-park


Snowdon Summit Weather iPhone App

Snowdon Summit Weather iPhone App

Get accurate, live and up-to-date weather forecasts for the summit of Snowdon right from your iPhone. Absolutely free!

The Snowdon Summit Weather app from the team at MountainXperience does exactly what it says on the tin! Get accurate weather forecasting for the summit of Snowdon for the next five days. Never worry about getting caught off-guard by the changing mountain weather. Just keep the app on your iPhone and you’ll always be prepared.

Look for the Snowdon Summit Weather iPhone App in the App Store or download from apps.apple.com/gb/app/snowdon-summit-weather/id1571354480


SnowdonLive

The SnowdonLive project by AdventureSmart operates a weather station at the summit of Snowdon and between around April and November each year, depending on the conditions, provides a summary forecast for the following 24 hours. It mainly uses data from the Met Office and they recommend using their weather information in combination with other forecasts. A summary is shown in the ‘widget’ below or you can bookmark www.snowdon.live


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