Live UV forecast for 118 cities
Greece stretches from 35.3279° to 41.5031° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 8.2 in Chania (peak in June), while in Xanthi the yearly maximum is only ≈ 7.9.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperate | 118 | 3.4 | 4.4 | 5.8 | 7.1 | 7.7 | 8.1 | 8 | 7.4 | 6.5 | 5.3 | 4.1 | 3.3 | 8.1 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Athens 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 ≈ 8.2 — in Chania around June. Values above this occur only near the equator and in high mountains.
Chania (peak ≈ 8.2), followed by Irakleion and Kalamata. The mildest sun is in Xanthi (max ≈ 7.9).
In Athens 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 ≈ 8.2. UV 11+ occurs only near the equator, in deserts and high mountains.