Best year time to visit Cardiff

General weather information about Cardiff

Average annual temperature is 11.6 °C

Absolute maximum temperature: 27.5 °C

Absolute minimum temperature: -5.1 °C

Number of sunny days: 108 days

Number of rainy days: 256 days

Number of snow days: 1 day

Look at detailed online map of Cardiff

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

Cardiff air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.812.014.116.821.326.524.924.527.521.414.912.7
Average daytime temperature (°C)8.39.410.112.517.722.219.119.920.715.810.910.1
Average temperature (°C)5.66.47.69.013.517.716.016.417.112.98.28.1
Average night temperature (°C)2.93.35.35.39.213.212.712.713.510.35.45.8
Absolute minimum temperature (°C)-3.3-2.1-1.21.06.18.37.69.46.43.1-4.9-5.1

Cardiff monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.410.011.913.915.616.516.114.612.710.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.15.25.08.112.112.710.19.87.96.24.22.3
Precipitation (mm)16531191975057202107107194110193
Sunny days121248151514128125
Rainy days181627221615302718231826
Snow days100000000000

Best time to visit Cardiff:

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

  • May — 12.1(h)
  • June — 12.7(h)
  • July — 10.1(h)
  • August — 9.8(h)

Months with the longest average daylight duration in Cardiff:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.1(h)

The largest precipitation sum in Cardiff is at

  • January — 165(mm)
  • March — 191(mm)
  • July — 202(mm)
  • October — 194(mm)
  • December — 193(mm)