Live UV forecast for 735 cities
Spain stretches from 27.7567° to 43.6623° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 8.6 in Adeje (peak in June), while in Zarautz the yearly maximum is only ≈ 7.8.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Subtropical | 41 | 4.9 | 5.9 | 7.1 | 8 | 8.4 | 8.6 | 8.5 | 8.3 | 7.7 | 6.6 | 5.6 | 4.8 | 8.6 |
| Temperate | 694 | 3.2 | 4.2 | 5.6 | 6.9 | 7.6 | 8 | 7.9 | 7.3 | 6.4 | 5.1 | 3.9 | 3.1 | 8 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Madrid as a reference: the UV index reaches 6+ in April, May, June, July, August and September. In the sunniest zones (see table) SPF 30–50+ is needed almost year-round; in the mildest — only in late spring and summer.
The calculated clear-sky maximum is ≈ 8.6 — in Adeje around June. Values above this occur only near the equator and in high mountains.
Adeje (peak ≈ 8.6), followed by Aguimes and Arona. The mildest sun is in Zarautz (max ≈ 7.8).
In Madrid and similar latitudes the UV reaches 6+ in April, May, June, July, August and September: use SPF 30–50+ on sunny days. Protection is advised from UV 3.
No — the local maximum is ≈ 8.6. UV 11+ occurs only near the equator, in deserts and high mountains.