Live UV forecast for 7 cities
Eritrea stretches from 13.0092° to 15.7779° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 9.9 in Assab (peak in August), while in Massawa the yearly maximum is only ≈ 9.6.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tropical | 7 | 7.6 | 8.4 | 9.2 | 9.7 | 9.7 | 9.6 | 9.6 | 9.7 | 9.5 | 8.9 | 8.2 | 7.5 | 9.7 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Asmara 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 ≈ 9.9 — in Assab around August. Values above this occur only near the equator and in high mountains.
Assab (peak ≈ 9.9), followed by Himora and Asmara. The mildest sun is in Massawa (max ≈ 9.6).
In Asmara 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 ≈ 9.9. UV 11+ occurs only near the equator, in deserts and high mountains.