At solar noon (12:39:10 PM) the sun reaches 31.0° above the horizon in Vienna. Without clouds, that corresponds to a maximum UV index of about 2.1 (low). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Vienna, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 31.0° | 2.1 Low | — | |
| 30.7° | 2.1 Low | — | |
| 30.3° | 2.0 Low | — | |
| 30.0° | 2.0 Low | — | |
| 29.6° | 1.9 Low | — | |
| 29.3° | 1.9 Low | — | |
| 29.0° | 1.8 Low | — | |
| 28.6° | 1.8 Low | — | |
| 28.3° | 1.7 Low | — | |
| 28.0° | 1.7 Low | — | |
| 27.6° | 1.6 Low | — | |
| 27.3° | 1.6 Low | — | |
| 27.0° | 1.6 Low | — | |
| 26.7° | 1.5 Low | — |
Clear-sky values are calculated from the sun's height at solar noon (cloud-free sky, average ozone). Forecast values from Open-Meteo include clouds and load in your browser.
High UV today? Sport sunscreen with SPF 100 stays on through sweat — essential for long outdoor activities.
View on Amazon →About Vienna
Located in Austria, Vienna serves as both the national capital and a state. It covers an area of 414.8 square kilometres at an elevation of 151 metres, with the Hermannskogel standing as its highest point. The city’s geography is shaped by its position on the Danube, the Wien, the Liesing, and the Donaukanal. As of 2025, the population is 2,028,289. Notable features include the University of Vienna, the Belvedere palace, and the Donauinsel, an artificial island. The city maintains twin town relationships with Bern, Bratislava, Budapest, Moscow, and Zagreb.
AI-assisted description based on geographic data and editorial notes.