Live UV forecast for 13 cities
Jamaica stretches from 17.9414° to 18.5149° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 9.5 in Half Way Tree (peak in May), while in Savanna-la-Mar the yearly maximum is only ≈ 9.4.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tropical | 13 | 7 | 7.8 | 8.7 | 9.3 | 9.4 | 9.4 | 9.4 | 9.4 | 9.1 | 8.4 | 7.6 | 6.9 | 9.4 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Kingston as a reference: the UV index reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December. 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 ≈ 9.5 — in Half Way Tree around May. Values above this occur only near the equator and in high mountains.
Half Way Tree (peak ≈ 9.5), followed by Kingston and Mandeville. The mildest sun is in Savanna-la-Mar (max ≈ 9.4).
In Kingston and similar latitudes the UV reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December: use SPF 30–50+ on sunny days. Protection is advised from UV 3.
No — the local maximum is ≈ 9.5. UV 11+ occurs only near the equator, in deserts and high mountains.