Met Office, European, American side by side around Swansea and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Swansea, WLS is at its warmest in Jun (average highs near 19°C) and coldest in Jan (lows around 3°C), with roughly 1786 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Swansea right now, and see exactly where they disagree.
Swansea climate by month
average daytime high and overnight low across a typical year
Jan
8°
3°
Feb
10°
5°
Mar
10°
5°
Apr
12°
6°
May
17°
10°
Jun
19°
12°
Jul
18°
13°
Aug
19°
13°
Sep
18°
13°
Oct
15°
10°
Nov
11°
6°
Dec
10°
6°
Common questions
What's the weather in Swansea today?
On this page we show what Met Office, European, American each forecast for Swansea 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 Swansea today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Swansea 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 Swansea?
No single model is always right. Met Office, European, American each run their own physics, so we line all three up: when they agree the Swansea forecast is reliable, and when they split you should expect surprises. See our tested UK accuracy scoreboard for how the models compare.
What is the warmest month in Swansea?
Jun is typically the warmest month in Swansea, with average highs around 19°C.
How cold does Swansea get?
The coldest month in Swansea is Jan, when overnight lows average about 3°C.
How much rain does Swansea get?
Swansea sees roughly 1786 mm of precipitation a year, with Mar usually the wettest month.
The forecasts Britons check
The Met Office runs Britain's own open model, so its data sits right in the comparison above. BBC Weather and AccuWeather keep theirs closed, so we link you to them. Good news: BBC is moving back to the Met Office model, so it'll join the comparison too.