At solar noon (11:51:14 AM) the sun reaches 74.3° above the horizon in Heidelberg. Without clouds, that corresponds to a maximum UV index of about 11.2 (extreme). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Heidelberg, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 74.3° | 11.2 Extreme | — | |
| 74.6° | 11.2 Extreme | — | |
| 75.0° | 11.3 Extreme | — | |
| 75.3° | 11.3 Extreme | — | |
| 75.7° | 11.3 Extreme | — | |
| 76.0° | 11.4 Extreme | — | |
| 76.3° | 11.4 Extreme | — | |
| 76.7° | 11.5 Extreme | — | |
| 77.0° | 11.5 Extreme | — | |
| 77.3° | 11.5 Extreme | — | |
| 77.7° | 11.6 Extreme | — | |
| 78.0° | 11.6 Extreme | — | |
| 78.3° | 11.6 Extreme | — | |
| 78.6° | 11.7 Extreme | — |
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 Heidelberg
Heidelberg is located in the Gauteng province of South Africa at an elevation of 1525 metres. The town has existed as a municipality since 1886. Among the infrastructure located within its boundaries is Heidelberg Airport, which serves as a notable feature of the area. The town functions as a settlement within the Gauteng region, situated on the highveld.
AI-assisted description based on geographic data and editorial notes.