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CheckWeather UKDinas Powys

Dinas Powys weather

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Dinas Powys weather warnings

Met Office yellow, amber and red warnings for Wales

Checking the Met Office for warnings in force for Wales…

Dinas Powys weather in numbers

measured normals and 10 years of recorded weather

Dinas Powys swings 17°C across the year, from 20°C highs in August to 3°C lows in January, and October is usually the wettest month in a year that brings about 1368 mm of precipitation. Over 10 years of recorded weather it averages 7 days a year at 25°C or above, 1 of them at 30°C or above, 15 frost nights, and rain on 168 days.

Warmest month
August
20°C average high
Coldest month
January
3°C average low
Wettest month
October
1368 mm a year
Comfortable
4 months
May, June, July and August
Residents
7,738
share this forecast
Most accurate here
European
90/100 CheckWeather Score
Warm days
7 days
a year at 25°C or above
Frost nights
15 nights
a year below 0°C
Rain days
168 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Dinas Powys’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

Met Office, European, American side by side around Dinas Powys and nearby towns.Live rain radar →
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Dinas Powys 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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Dinas Powys 10-day forecast, out to 14 days

where the models agree, and where they split

Dinas Powys, Wales is at its warmest in Aug (average highs near 20°C) and coldest in Jan (lows around 3°C), with roughly 1368 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Dinas Powys 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.

Dinas Powys climate by month

average daytime high and overnight low across a typical year
Jan
Feb
10°
Mar
10°
Apr
12°
May
17°
10°
Jun
19°
12°
Jul
19°
14°
Aug
20°
14°
Sep
19°
13°
Oct
15°
11°
Nov
11°
Dec
10°

Which forecast is most accurate in Dinas Powys?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
90
/100rank #1
89±0.6°C91±3.0 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
Met Office logo
Met Office
82
/100rank #2
90±0.5°C93±2.1 mph6581% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
78
/100rank #3
86±0.8°C95±1.6 mph5877% 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 1887 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 Dinas Powys today?
On this page we show what Met Office, European, American each forecast for Dinas Powys 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 Dinas Powys today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Dinas Powys 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 Dinas Powys?
Over the last 30 days, the European model has been the most accurate for Dinas Powys (CheckWeather Score 90/100), 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 Dinas Powys?
August is typically the warmest month in Dinas Powys, with average highs around 20°C.
How cold does Dinas Powys get?
The coldest month in Dinas Powys is January, when overnight lows average about 3°C.
How much rain does Dinas Powys get?
Dinas Powys sees roughly 1368 mm of precipitation a year, with October usually the wettest month.

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