At solar noon (01:21:12 PM) the sun reaches 40.5° above the horizon in Santa Justa. Without clouds, that corresponds to a maximum UV index of about 4.0 (moderate). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Santa Justa, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 40.5° | 4.0 Moderate | — | |
| 40.1° | 3.9 Moderate | — | |
| 39.8° | 3.8 Moderate | — | |
| 39.4° | 3.8 Moderate | — | |
| 39.1° | 3.7 Moderate | — | |
| 38.8° | 3.6 Moderate | — | |
| 38.4° | 3.6 Moderate | — | |
| 38.1° | 3.5 Moderate | — | |
| 37.8° | 3.4 Moderate | — | |
| 37.4° | 3.4 Moderate | — | |
| 37.1° | 3.3 Moderate | — | |
| 36.8° | 3.3 Moderate | — | |
| 36.5° | 3.2 Moderate | — | |
| 36.2° | 3.1 Moderate | — |
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.
Bright conditions call for proper eye protection. Polarized lenses reduce glare and block harmful UV rays.
View on Amazon →About Santa Justa
Located in Portugal, Santa Justa is a former civil parish within the Lisbon region. The area covers 0.2 square kilometres. Among the notable features located within the former parish is Rossio Square.
AI-assisted description based on geographic data and editorial notes.