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UV Index in Lebanon

Live UV forecast for 18 cities

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UV climate of Lebanon: overview

Lebanon stretches from 33.1181° to 34.4335° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 8.3 in Aarsal (peak in June), while in Zahle the yearly maximum is only ≈ 8.3.

UV index by month by climate zone

ZoneCitiesJFMAMJJASONDPeak
Subtropical18 4 5.1 6.4 7.5 8.1 8.3 8.2 7.8 7 5.9 4.8 3.9 8.3

Calculated clear-sky noon peaks at the average latitude of each zone. Real values vary with clouds, altitude and ozone.

Sunniest cities in Lebanon (highest UV)

Aarsal · 8.3 in June Aley · 8.3 in June Baalbek · 8.3 in June Beirut · 8.3 in June Bsharri · 8.3 in June

Cities with the mildest sun

Zahle · max 8.3 Tyre · max 8.3 Tripoli · max 8.3 Sidon · max 8.3 Ra's Bayrut · max 8.3

When do you need SPF in Lebanon?

Using Beirut 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.

FAQ: UV index in Lebanon

What is the highest UV index in Lebanon?

The calculated clear-sky maximum is ≈ 8.3 — in Aarsal around June. Values above this occur only near the equator and in high mountains.

Which city in Lebanon is the sunniest?

Aarsal (peak ≈ 8.3), followed by Aley and Baalbek. The mildest sun is in Zahle (max ≈ 8.3).

When is SPF needed in Lebanon?

In Beirut 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.

Is UV 11+ possible in Lebanon?

No — the local maximum is ≈ 8.3. UV 11+ occurs only near the equator, in deserts and high mountains.