Map of Cardiff in United Kingdom

Cardiff Climate

Cardiff is a city within United Kingdom. This is in the continent of Europe. The name of the region it is in is called Cardiff.

Best time to visit Cardiff

The best time to visit Cardiff is during months May, June, July, August, September and October when the average temperatures are perhaps a little cooler than preferred but still a pleasant 10°C / 50.0°F to 20°C / 68.0°F. If you don't mind bringing a coat, you might also enjoy visiting Cardiff during January, February, March, April, November and December but average temperatures are fairly cool (between 0°C / 32.0°F and 10°C / 50.0°F).


The warmest time of year in Cardiff is in July when it is 16.8°C / 62.2°F on average, but could get up to 21.1°C / 70.0°F maximum. On the other hand, the coldest time of year in Cardiff is in February when it is 4.5°C / 40.1°F on average, but could get down to 1.8°C / 40.1°F minimum.

  • Freezing months: 0 (0°C / 32.0°F and below)
  • Cold months: 6 (0°C / 32.0°F to 10°C / 50.0°F)
  • Cool months: 6 (10°C / 50.0°F to 20°C / 68.0°F)
  • Warm months: 0 (20°C / 68.0°F to 30°C / 86.0°F)
  • Hot months: 0 (30°C / 86.0°F to 40°C / 104.0°F)
  • Boiling months: 0 (40°C / 104.0°F and above)

Cardiff Climate Chart

Below are the climate charts for Cardiff in Cardiff which resides in United Kingdom.

Temperature tables

The first table is for the average temperatures across the year in degrees Celsius. The cells that are BLUE show the coldest months and the cells that are PINK show the hottest months.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Average Temperature in °C4.554.56.358.6511.914.916.816.4514.2511.27.355.5
Max Temperature in °C7.17.29.712.616.119.221.120.51814.310.28.1
Min Temperature in °C21.834.77.710.612.512.410.58.14.52.9

This second table is for the average temperatures across the year in degrees Fahrenheit. Cells in BLUE are the coldest months and cells in PINK are the hottest months.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Average Temperature in °F40.240.143.447.653.458.862.261.657.752.245.241.9
Max Temperature in °F44.845.049.554.761.066.670.068.964.457.750.446.6
Min Temperature in °F35.635.237.440.545.951.154.554.350.946.640.137.2

Rainfall figures

This table is for the amount of rainfall (both in millimetres and inches) and number of rainy days in Cardiff throughout the year.

Month:JanFebMarAprMayJunJulAugSepOctNovDec
Total rainfall in MM1108286626971678594108111116
Total rainfall in Inches4.33.23.42.42.72.82.63.33.74.34.44.6
Total number of rainy days19.114.916.512.51212.211.112.414.816.716.917.8
Chances of rain61.6%53.2%53.2%41.7%38.7%40.7%35.8%40.0%49.3%53.9%56.3%57.4%

Cardiff Climate Graph

Below is the climate graph for Cardiff. It shows both the average temperatures throughout the year in degrees Celsius and also the average total rainfall in millimetres.

Cardiff Climate Graph with temperatures in °C and rainfall in millimetres

Below is the climate graph for Cardiff with both the average temperatures throughout the year in degrees Fahrenheit and also the average total rainfall in inches.

Cardiff Climate Graph with temperatures in °F and rainfall in inches