Caerdydd UV index in May
Typical ultraviolet levels for Caerdydd during May, from the past year of data.
High
Caerdydd
High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
6.4
UV Index
May average UTC
Low
Moderate
High
Very High
Extreme
May UV
6.4172
Risk level
High
Yearly peak
8.0988
Peak month
July
Caerdydd UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Caerdydd in May?
In May, Caerdydd's typical UV index is about 6.4172 — a high risk level. High UV. Avoid the sun during peak hours and wear protective clothing, sunscreen, and a hat.
Across the year, Caerdydd sees the strongest UV in Summer, peaking around 8.0988 in July. Plan sun protection accordingly.