Climate Charts and Weather

Cardiff features a changeable, temperate climate and stands on the southern side of Wales, next to the Bristol Channel. Summer weather in Cardiff tends to be warm and sunny, offering plenty of dry days and clear blue skies. Temperatures during the summer season peak between July and August, often exceeding 25°C / 77°F. However, rain can prove unpredictable in Cardiff, even on the hottest days, although summer showers are generally short-lived.

Although the winter weather and climate in Cardiff is amongst the wettest, the rainfalls are rarely excessive and temperatures remain above freezing, even during the months of January and February, when frosts are infrequent. Spring and autumn offer similar temperatures which often stay well above 14°C / 57°F, making these seasons particularly appealing. The average annual daytime temperatures in Cardiff are around 14°C / 57°F.

Climate Description: Changeable, temperate climate
Cardiff Airport (CWL) Location: Northern Hemisphere, Wales
Annual High / Low Daytime Temperatures at Cardiff: 21°C / 7°C (70°F / 45°F)
Average Daily January Temperature: 7°C / 45°F
Average Daily June Temperature: 19°C / 66°F
Annual Rainfall / Precipication Cardiff at Airport (CWL): 920 mm / 36 inches

Cardiff Airport (CWL):
Climate and Weather Charts

Temperature Chart
Temperatures	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Average
Maximum Celcius (°C)	7	8	10	13	16	19	20	21	18	14	10	8	14
Minimum Celcius (°C)	2	2	3	5	8	11	12	13	11	8	5	3	7
Maximum Fahrenheit (°F)	45	46	50	55	61	66	68	70	64	57	50	46	57
Minimum Fahrenheit (°F)	36	36	37	41	46	52	54	55	52	46	41	37	44

Rainfall / Precipitation Chart
Rainfall	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
Rainfall (mm)	91	64	74	53	64	64	69	76	81	91	99	94	920
Rainfall (inches)	3.6	2.5	2.9	2.1	2.5	2.5	2.7	3.0	3.2	3.6	3.9	3.7	36

Seasonal Chart
Seasons	Average Temp (Max °C)	Average Temp (Min °C)	Average Temp (Max °F)	Average Temp (Min °F)	Total Rainfall (mm)	Total Rainfall (inches)
Mar to May (Spring)	13	5	55	41	191	8
Jun to Aug (Summer)	20	12	68	54	209	8
Sept to Nov (Autumn / Fall)	14	8	57	46	271	11
Dec to Feb (Winter)	8	2	46	36	249	10