Best year time to visit Cardiff

General weather information about Cardiff

Average annual temperature is 5.0 °C

Absolute maximum temperature: 29.2 °C

Absolute minimum temperature: -31.8 °C

Number of sunny days: 176 days

Number of rainy days: 137 days

Number of snow days: 52 days

Look at detailed online map of Cardiff

* Weather data for Cardiff Canada is based on climate observations for 2026 year

Cardiff air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	5.6	3.4	4.0	20.3	29.2	29.1	27.8	27.6	22.8	21.5	9.4	8.6
Average daytime temperature (°C)	-4.6	-4.7	-2.8	10.2	23.4	23.0	22.6	22.4	18.7	10.7	3.4	1.7
Average temperature (°C)	-8.1	-9.5	-8.5	3.8	16.1	17.1	17.2	16.7	12.9	5.2	-0.6	-2.8
Average night temperature (°C)	-11.4	-13.5	-12.9	-1.3	9.6	11.9	12.6	11.9	7.9	1.1	-3.4	-5.9
Absolute minimum temperature (°C)	-24.1	-31.8	-20.3	-10.0	4.0	5.9	7.0	6.0	2.5	-10.3	-8.9	-10.8

Cardiff monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	15.0	16.0	17.0	16.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	8.1	9.8	11.9	14.0	15.9	17.0	16.5	14.8	12.7	10.6	8.6	7.5
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	3.9	5.5	8.5	10.6	12.6	11.5	12.3	10.8	9.5	6.6	4.9	4.4
Precipitation (mm)	14	15	11	23	86	146	156	114	36	10	3	13
Sunny days	18	9	20	15	14	11	4	10	17	19	19	20
Rainy days	5	6	1	11	17	19	27	21	13	5	4	8
Snow days	8	13	10	4	0	0	0	0	0	7	7	3

Cardiff - weather forecast by months

Cardiff weather in january Cardiff weather in february Cardiff weather in march Cardiff weather in april Cardiff weather in may Cardiff weather in june Cardiff weather in july Cardiff weather in august Cardiff weather in september Cardiff weather in october Cardiff weather in november Cardiff weather in december

Best time to visit Cardiff:

The best time to visit Cardiff during the most sunny months:

May — 12.6(h)
June — 11.5(h)
July — 12.3(h)
August — 10.8(h)

Months with the longest average daylight duration in Cardiff:

May — 15.9(h)
June — 17.0(h)
July — 16.5(h)

The largest precipitation sum in Cardiff is at

May — 86(mm)

June — 146(mm)

July — 156(mm)

August — 114(mm)

Weather forecast in the closest to Cardiff admin centers