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UV Index in Mongolia

Live UV forecast for 24 cities

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UV climate of Mongolia: overview

Mongolia stretches from 43.5708° to 50.2314° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 7.8 in Dalandzadgad (peak in June), while in Ulaangom the yearly maximum is only ≈ 7.3.

UV index by month by climate zone

ZoneCitiesJFMAMJJASONDPeak
Temperate24 2.2 3.2 4.7 6.1 7 7.5 7.3 6.6 5.5 4.1 2.9 2.1 7.5

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

Sunniest cities in Mongolia (highest UV)

Dalandzadgad · 7.8 in June Bogd · 7.7 in June Saynshand · 7.7 in June Altai · 7.6 in June Arvayheer · 7.6 in June

Cities with the mildest sun

Ulaangom · max 7.3 Suehbaatar · max 7.3 Moeroen · max 7.3 Darhan · max 7.3 OElgii · max 7.4

When do you need SPF in Mongolia?

Using Ulan Bator as a reference: the UV index reaches 6+ in April, May, June, July and August. 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 Mongolia

What is the highest UV index in Mongolia?

The calculated clear-sky maximum is ≈ 7.8 — in Dalandzadgad around June. Values above this occur only near the equator and in high mountains.

Which city in Mongolia is the sunniest?

Dalandzadgad (peak ≈ 7.8), followed by Bogd and Saynshand. The mildest sun is in Ulaangom (max ≈ 7.3).

When is SPF needed in Mongolia?

In Ulan Bator and similar latitudes the UV reaches 6+ in April, May, June, July and August: use SPF 30–50+ on sunny days. Protection is advised from UV 3.

Is UV 11+ possible in Mongolia?

No — the local maximum is ≈ 7.8. UV 11+ occurs only near the equator, in deserts and high mountains.