Live UV forecast for 140 cities
Cuba stretches from 19.9055° to 23.1648° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 9.3 in Baracoa (peak in May), while in Vedado the yearly maximum is only ≈ 9.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tropical | 140 | 6.2 | 7.1 | 8.1 | 8.9 | 9.1 | 9.1 | 9.1 | 9 | 8.6 | 7.8 | 6.8 | 6.1 | 9.1 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Havana as a reference: the UV index reaches 6+ in January, February, March, April, May, June, July, August, September, October and November. 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 ≈ 9.3 — in Baracoa around May. Values above this occur only near the equator and in high mountains.
Baracoa (peak ≈ 9.3), followed by Bartolome Maso and Bayamo. The mildest sun is in Vedado (max ≈ 9).
In Havana and similar latitudes the UV reaches 6+ in January, February, March, April, May, June, July, August, September, October and November: use SPF 30–50+ on sunny days. Protection is advised from UV 3.
No — the local maximum is ≈ 9.3. UV 11+ occurs only near the equator, in deserts and high mountains.