Live UV forecast for 294 cities
Algeria stretches from 22.785° to 37.0056° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 9.1 in Tamanghasset (peak in June), while in el hed the yearly maximum is only ≈ 8.2.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tropical | 1 | 6.1 | 7 | 8 | 8.8 | 9 | 9.1 | 9.1 | 8.9 | 8.5 | 7.6 | 6.7 | 6 | 9.1 |
| Subtropical | 60 | 4.1 | 5.1 | 6.4 | 7.5 | 8.1 | 8.3 | 8.3 | 7.8 | 7.1 | 6 | 4.8 | 4 | 8.3 |
| Temperate | 233 | 3.7 | 4.7 | 6.1 | 7.3 | 7.9 | 8.2 | 8.1 | 7.6 | 6.8 | 5.6 | 4.4 | 3.6 | 8.2 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Algiers as a reference: the UV index reaches 6+ in March, 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 ≈ 9.1 — in Tamanghasset around June. Values above this occur only near the equator and in high mountains.
Tamanghasset (peak ≈ 9.1), followed by Aoulef and In Salah. The mildest sun is in el hed (max ≈ 8.2).
In Algiers and similar latitudes the UV reaches 6+ in March, 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 ≈ 9.1. UV 11+ occurs only near the equator, in deserts and high mountains.