UV Index in Hart, Lower Austria, Austria

· Europe/Vienna

2.1
Low · clear-sky maximum Wednesday, October 21, 2026

At solar noon (12:42:12 PM) the sun reaches 31.1° above the horizon in Hart. 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.

☀️ Sun Safety: When the UV index is high, protect yourself with sunscreen, shade, and a hat. Values of 6 or more indicate increased sunburn risk!

UV index in Hart, next 14 days

DateSun at noonClear-sky maxForecast max
31.1° 2.1 Low —
30.7° 2.1 Low —
30.4° 2.0 Low —
30.0° 2.0 Low —
29.7° 1.9 Low —
29.4° 1.9 Low —
29.0° 1.8 Low —
28.7° 1.8 Low —
28.3° 1.7 Low —
28.0° 1.7 Low —
27.7° 1.7 Low —
27.4° 1.6 Low —
27.1° 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.

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The UV index in Hart measures the intensity of ultraviolet radiation reaching the ground. Values below 3 are considered low risk, while 6 and above require sun protection such as sunscreen, sunglasses, and shade. The clear-sky value shows how strong the sun can get on each day; the forecast shows what is expected with clouds. See today's sunrise and sunset times for Hart or discover the best light for photos during the golden hour in Hart.