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UV Index in Austria

Live UV forecast for 66 cities

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UV climate of Austria: overview

Austria stretches from 46.6103° to 48.3833° latitude (Northern hemisphere), so UV conditions differ a lot from region to region. The clear-sky UV index reaches ≈ 7.6 in Klagenfurt am Woerthersee (peak in June), while in Wels the yearly maximum is only ≈ 7.4.

UV index by month by climate zone

ZoneCitiesJFMAMJJASONDPeak
Temperate66 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 Austria (highest UV)

Klagenfurt am Woerthersee · 7.6 in June Sankt Martin · 7.6 in June Sankt Peter · 7.6 in June Villach · 7.6 in June Andritz · 7.5 in June

Cities with the mildest sun

Wels · max 7.4 Waehring · max 7.4 Vienna · max 7.4 Traun · max 7.4 Stockerau · max 7.4

When do you need SPF in Austria?

Using Vienna 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 Austria

What is the highest UV index in Austria?

The calculated clear-sky maximum is ≈ 7.6 — in Klagenfurt am Woerthersee around June. Values above this occur only near the equator and in high mountains.

Which city in Austria is the sunniest?

Klagenfurt am Woerthersee (peak ≈ 7.6), followed by Sankt Martin and Sankt Peter. The mildest sun is in Wels (max ≈ 7.4).

When is SPF needed in Austria?

In Vienna 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 Austria?

No — the local maximum is ≈ 7.6. UV 11+ occurs only near the equator, in deserts and high mountains.