Normally, average daily temperatures in Cardiff for the duration of May is 9 with a general average high of 15 and typical average low being around 7. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 9 |
| High Temperature | 15 |
| Low Temperature | 7 |
| Sunshine Per Day | 8 |
Cardiff, UK Weather in May FAQs
Whats the weather I’m expecting?
More often than not the weather is 9 celsius but, will change throughout day
What is the Spring Weather like?
Normally you the average weather in spring is 14 degrees celsius
What amount of sunshine should I expect?
Expect around 8 hours of sunshine
Useful Links: Cardiff Weather: Average Weather & Yearly Climate