Climate guide for Cardiff, United Kingdom

Cardiff in August

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

August · United Kingdom

Best time to visit Cardiff in AugustWeather, crowds & prices

August score

8.5/10

Ranked #2 of 12 months

Full year for Cardiff
Avg temp
17°C
Rainfall
54 mm
Humidity
81%
Sunny days
16
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

August in Cardiff scores 8.5/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 17°C, 54 mm of rain, and roughly 16 sunny days this month.

Cardiff mixes a Victorian arcades core, Cardiff Castle, and bay regeneration with easy access to Welsh coast and valleys. Best window: late spring through early autumn.

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Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Cardiff in August?
In August, Cardiff averages 17°C, 54 mm of rain, and about 16 sunny days. Its climate-comfort score is 8.5/10.
Is August a good time to visit Cardiff?
August earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Cardiff in August?
Expect about 54 mm of rain in August. Average humidity is 81% and there are about 16 sunny days.

Curated in Cardiff

Tickets & experiences

Things to do in Cardiff

Cardiff, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.