Latest for Snowdonia: Met Office (UKMO model): 8° Overcast · European (ECMWF): 7° Overcast · American (NOAA GFS): 8° Overcast.
CheckWeather.io on iPhoneFree. No ads, no account.Snowdonia weather warnings
Met Office yellow, amber and red warnings for WalesChecking the Met Office for warnings in force for Wales…
Snowdonia weather in numbers
from 30 years of measured normalsSnowdonia swings 16°C across the year, from 18°C highs in June to 2°C lows in January, and December is usually the wettest month in a year that brings about 1339 mm of precipitation.
The weather map: all three models at once
Met Office, European, American side by side around Snowdonia and nearby towns.Live rain radar →Snowdonia hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
Snowdonia 10-day forecast, out to 14 days
where the models agree, and where they splitSnowdonia, Wales is at its warmest in Jun (average highs near 18°C) and coldest in Jan (lows around 2°C), with roughly 1339 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Snowdonia right now, and see exactly where they disagree.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United Kingdom before you trust any single number.
Snowdonia climate by month
average daytime high and overnight low across a typical year (1991-2020)Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.
How the weather around Snowdonia has changed since 1995
Snowdonia sits in the same roughly 50 km square of NASA's reanalysis as Bala. That square ran 0.5°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Bala page.
Which forecast is most accurate in the UK?
CheckWeather Score, graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1950 cities. Lower error means a higher score. See which forecast model is most accurate in United Kingdom, how we measure forecast accuracy, or which model each weather app uses.
What do you think of the forecasts?
your vote countsThe accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United Kingdom? Give each 1 to 5 stars.
One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.