Live UV forecast for 2 cities
Saint Lucia stretches from 13.9957° to 14.0667° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 9.8 in Castries (peak in May), while in Gros Islet the yearly maximum is only ≈ 9.8.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tropical | 2 | 7.8 | 8.5 | 9.3 | 9.7 | 9.8 | 9.6 | 9.7 | 9.8 | 9.6 | 9.1 | 8.3 | 7.7 | 9.8 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Gros Islet 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 ≈ 9.8 — in Castries around May. Values above this occur only near the equator and in high mountains.
Castries (peak ≈ 9.8), followed by Gros Islet and
Warning: Undefined array key 2 in /home/semencher/domains/uv-index.info/public_html/country-en.php on line 178
Warning: Trying to access array offset on value of type null in /home/semencher/domains/uv-index.info/public_html/country-en.php on line 178
Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /home/semencher/domains/uv-index.info/public_html/country-en.php on line 178
. The mildest sun is in Gros Islet (max ≈ 9.8).
In Gros Islet 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 ≈ 9.8. UV 11+ occurs only near the equator, in deserts and high mountains.