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Llangollen weather

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Met OfficeUKMO model
8°
Overcast
Feels 6° · Wind 8 mph · Humidity 87%
EuropeanECMWF
6°
Overcast
Feels 4° · Wind 7 mph · Humidity 96%
AmericanNOAA GFS
8°
Overcast
Feels 6° · Wind 6 mph · Humidity 91%

Latest for Llangollen: Met Office (UKMO model): 8° Overcast · European (ECMWF): 6° Overcast · American (NOAA GFS): 8° Overcast.

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Llangollen weather warnings

Met Office yellow, amber and red warnings for Wales

Checking the Met Office for warnings in force for Wales…

Llangollen weather in numbers

from 30 years of measured normals

Llangollen swings 17°C across the year, from 19°C highs in August to 2°C lows in January, and December is usually the wettest month in a year that brings about 1060 mm of precipitation.

Warmest month
August
19°C average high
Coldest month
January
2°C average low
Wettest month
December
1060 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
June, July, August and September
Residents
3,466
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The weather map: all three models at once

Met Office, European, American side by side around Llangollen and nearby towns.Live rain radar →
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Llangollen hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Llangollen 10-day forecast, out to 14 days

where the models agree, and where they split

Llangollen, Wales is at its warmest in Aug (average highs near 19°C) and coldest in Jan (lows around 2°C), with roughly 1060 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Llangollen 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.

Llangollen climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
6°
2°
Feb
7°
2°
Mar
8°
3°
Apr
11°
4°
May
15°
7°
Jun
18°
10°
Jul
18°
12°
Aug
19°
12°
Sep
17°
10°
Oct
13°
8°
Nov
9°
5°
Dec
7°
3°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Llangollen has changed since 1995

Llangollen sits in the same roughly 50 km square of NASA's reanalysis as Chester. That square ran 0.5°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Chester page.

Which forecast is most accurate in Llangollen?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
98±0.1°C98±0.6 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
Met Office logo
Met Office
82
/100rank #2
90±0.6°C91±2.7 mph6581% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
80
/100rank #3
83±0.9°C95±1.6 mph6581% hitNOAA / NCEP (United States)College Park, Maryland, USA

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 counts

The 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.

Met OfficeUKMO model
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EuropeanECMWF
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AmericanNOAA GFS
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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.

Common questions

What's the weather in Llangollen today?
On this page we show what Met Office, European, American each forecast for Llangollen today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Llangollen today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Llangollen and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Llangollen?
Over the last 30 days, the European model has been the most accurate for Llangollen (CheckWeather Score 92/100), ahead of the Met Office at 82. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Llangollen?
August is typically the warmest month in Llangollen, with average highs around 19°C.
How cold does Llangollen get?
The coldest month in Llangollen is January, when overnight lows average about 2°C.
How much rain does Llangollen get?
Llangollen sees roughly 1060 mm of precipitation a year, with December usually the wettest month.

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