At solar noon (01:52:10 PM) the sun reaches 32.4° above the horizon in Challans. Without clouds, that corresponds to a maximum UV index of about 2.4 (low). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Challans, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 32.4° | 2.4 Low | — | |
| 32.0° | 2.3 Low | — | |
| 31.7° | 2.2 Low | — | |
| 31.3° | 2.2 Low | — | |
| 31.0° | 2.1 Low | — | |
| 30.6° | 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 | — | |
| 28.7° | 1.8 Low | — | |
| 28.3° | 1.8 Low | — | |
| 28.0° | 1.7 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.
Bright conditions call for proper eye protection. Polarized lenses reduce glare and block harmful UV rays.
View on Amazon →About Challans
Challans is a commune located in the Vendée region of France. As of 2023, the population is 22,943. The municipal area covers 64.8 square kilometres, and the elevation is 1.0 metre. Infrastructure includes the Gare de Challans railway station. Notable local structures include the Église Notre-Dame-de-l'Assomption de Challans and the chapelle de l'Immaculée-Conception de la Bloire. The town maintains a partnership as a twin town with Saronno. These features represent the current administrative and physical profile of the municipality.
AI-assisted description based on geographic data and editorial notes.