Climate of Cardiff, United Kingdom
Area-weighted average across Cardiff. For where people actually live and travel, see the cities below.
Cardiff, a subdivision of United Kingdom, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 4.9°C / 40.8°F in February to 16.9°C / 62.4°F in July, with rainfall from 60 mm / 2.4 in to 115 mm / 4.5 in depending on the season (1043 mm / 41.1 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 5.1°C41.2°F | 111 mm4.4″ | — |
| February | 4.9°C40.8°F | 83 mm3.3″ | — |
| March | 6.7°C44.1°F | 85 mm3.3″ | — |
| April | 8.5°C47.3°F | 60 mm2.4″ | — |
| May | 11.8°C53.2°F | 63 mm2.5″ | — |
| June | 14.7°C58.5°F | 66 mm2.6″ | — |
| July | 16.9°C62.4°F | 61 mm2.4″ | — |
| August | 16.6°C61.9°F | 87 mm3.4″ | — |
| September | 14.2°C57.6°F | 97 mm3.8″ | — |
| October | 11.1°C52°F | 104 mm4.1″ | — |
| November | 7.8°C46°F | 115 mm4.5″ | — |
| December | 6°C42.8°F | 111 mm4.4″ | — |
Frequently asked questions
What is the best time to visit Cardiff?
Cardiff, United Kingdom does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 16.9°C / 62.4°F, and the driest is April at 60 mm / 2.4 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Cardiff?
Cardiff, United Kingdom has area-weighted monthly average temperatures ranging from 4.9°C / 40.8°F in February to 16.9°C / 62.4°F in July. Annual rainfall averages about 1043 mm / 41.1 in, with the wettest month being November (115 mm / 4.5 in) and the driest April (60 mm / 2.4 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Cardiff?
The hottest month in Cardiff is July, with an area-wide average temperature of 16.9°C / 62.4°F.
What is the coldest month in Cardiff?
The coldest month in Cardiff is February, with an area-wide average temperature of 4.9°C / 40.8°F.
When does it rain most in Cardiff?
The wettest month in Cardiff is November, averaging about 115 mm / 4.5 in of rainfall. The driest is April with about 60 mm / 2.4 in.