Annual Weather Averages Near Cardiff
Averages are for Wales Airport, which is 15 kilometers from Cardiff.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Cardiff
High Temp: 20 °C
Low Temp: 3 °C
Mean Temp: 11 °C
Precipitation: 57.1 mm
Humidity: 83%
Dew Point: 8 °C
Wind: 32 km/h
Pressure: 101.54 kPa
Visibility: 10 km
January Climate & Weather Averages in Cardiff
High Temp: 8 °C
Low Temp: 3 °C
Mean Temp: 6 °C
Precipitation: 61.2 mm
Humidity: 88%
Dew Point: 4 °C
Wind: 35 km/h
Pressure: 101.55 kPa
Visibility: 10 km
February Climate & Weather Averages in Cardiff
High Temp: 8 °C
Low Temp: 3 °C
Mean Temp: 6 °C
Precipitation: 55.7 mm
Humidity: 86%
Dew Point: 4 °C
Wind: 34 km/h
Pressure: 101.61 kPa
Visibility: 10 km
March Climate & Weather Averages in Cardiff
High Temp: 10 °C
Low Temp: 4 °C
Mean Temp: 7 °C
Precipitation: 43.8 mm
Humidity: 83%
Dew Point: 4 °C
Wind: 33 km/h
Pressure: 101.65 kPa
Visibility: 10 km
April Climate & Weather Averages in Cardiff
High Temp: 12 °C
Low Temp: 6 °C
Mean Temp: 9 °C
Precipitation: 42.5 mm
Humidity: 80%
Dew Point: 6 °C
Wind: 30 km/h
Pressure: 101.49 kPa
Visibility: 10 km
May Climate & Weather Averages in Cardiff
High Temp: 15 °C
Low Temp: 8 °C
Mean Temp: 12 °C
Precipitation: 45.7 mm
Humidity: 79%
Dew Point: 8 °C
Wind: 31 km/h
Pressure: 101.57 kPa
Visibility: 11 km
June Climate & Weather Averages in Cardiff
High Temp: 18 °C
Low Temp: 11 °C
Mean Temp: 15 °C
Precipitation: 43.9 mm
Humidity: 80%
Dew Point: 11 °C
Wind: 29 km/h
Pressure: 101.68 kPa
Visibility: 11 km
July Climate & Weather Averages in Cardiff
High Temp: 20 °C
Low Temp: 13 °C
Mean Temp: 17 °C
Precipitation: 48.9 mm
Humidity: 80%
Dew Point: 13 °C
Wind: 29 km/h
Pressure: 101.58 kPa
Visibility: 11 km
August Climate & Weather Averages in Cardiff
High Temp: 20 °C
Low Temp: 13 °C
Mean Temp: 16 °C
Precipitation: 61.8 mm
Humidity: 81%
Dew Point: 13 °C
Wind: 29 km/h
Pressure: 101.56 kPa
Visibility: 11 km
September Climate & Weather Averages in Cardiff
High Temp: 18 °C
Low Temp: 11 °C
Mean Temp: 15 °C
Precipitation: 49.7 mm
Humidity: 82%
Dew Point: 11 °C
Wind: 29 km/h
Pressure: 101.64 kPa
Visibility: 11 km
October Climate & Weather Averages in Cardiff
High Temp: 14 °C
Low Temp: 9 °C
Mean Temp: 12 °C
Precipitation: 77.6 mm
Humidity: 85%
Dew Point: 9 °C
Wind: 33 km/h
Pressure: 101.37 kPa
Visibility: 11 km
November Climate & Weather Averages in Cardiff
High Temp: 11 °C
Low Temp: 6 °C
Mean Temp: 8 °C
Precipitation: 75.8 mm
Humidity: 87%
Dew Point: 7 °C
Wind: 32 km/h
Pressure: 101.30 kPa
Visibility: 10 km
December Climate & Weather Averages in Cardiff
High Temp: 9 °C
Low Temp: 4 °C
Mean Temp: 6 °C
Precipitation: 78.5 mm
Humidity: 88%
Dew Point: 4 °C
Wind: 35 km/h
Pressure: 101.43 kPa
Visibility: 10 km