Best time to visit · Cardiff

🗓️ Cardiff is comfortable much of the year.

Typical monthly temperature, humidity and rainfall.

Jan5°💧 87%🌧️ 118mm

Feb7°💧 86%🌧️ 117mm

Mar8°💧 81%🌧️ 102mm

Apr9°💧 76%🌧️ 87mm

May13°💧 77%🌧️ 104mm

Jun16°💧 76%🌧️ 67mm

Jul18°💧 77%🌧️ 101mm

Aug17°💧 77%🌧️ 72mm

Sep15°💧 82%🌧️ 130mm

Oct13°💧 85%🌧️ 166mm

Nov9°💧 87%🌧️ 120mm

Dec7°💧 88%🌧️ 163mm

Source: Open-Meteo · Last checked Jul 11, 2026