Live UV forecast for 98 cities
Saudi Arabia stretches from 16.596° to 31.6725° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 9.6 in Samitah (peak in May), while in Turayf the yearly maximum is only ≈ 8.4.
| Zone | Cities | J | F | M | A | M | J | J | A | S | O | N | D | Peak |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tropical | 35 | 6.6 | 7.5 | 8.5 | 9.1 | 9.3 | 9.3 | 9.3 | 9.2 | 8.9 | 8.1 | 7.2 | 6.5 | 9.3 |
| Subtropical | 63 | 5.3 | 6.2 | 7.4 | 8.3 | 8.6 | 8.7 | 8.7 | 8.5 | 7.9 | 7 | 5.9 | 5.2 | 8.7 |
Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.
Using Jeddah 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 ≈ 9.6 — in Samitah around May. Values above this occur only near the equator and in high mountains.
Samitah (peak ≈ 9.6), followed by Abu 'Arish and Al Mash'iliyah. The mildest sun is in Turayf (max ≈ 8.4).
In Jeddah 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 ≈ 9.6. UV 11+ occurs only near the equator, in deserts and high mountains.