At solar noon (12:43:28 PM) the sun reaches 39.2° above the horizon in Princeton. Without clouds, that corresponds to a maximum UV index of about 3.7 (moderate). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Princeton, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 39.2° | 3.7 Moderate | — | |
| 38.8° | 3.6 Moderate | — | |
| 38.4° | 3.5 Moderate | — | |
| 38.1° | 3.5 Moderate | — | |
| 37.8° | 3.4 Moderate | — | |
| 37.4° | 3.3 Moderate | — | |
| 37.1° | 3.3 Moderate | — | |
| 36.7° | 3.2 Moderate | — | |
| 36.4° | 3.2 Moderate | — | |
| 36.1° | 3.1 Moderate | — | |
| 35.7° | 3.0 Moderate | — | |
| 35.4° | 3.0 Moderate | — | |
| 35.1° | 2.9 Low | — | |
| 34.8° | 2.9 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 Princeton
Princeton is a municipality located in Mercer County, New Jersey. Covering an area of 47.7 square kilometers at an elevation of 58 meters, the town had a population of 30,681 in 2020. Princeton University, a private research institution, is the most prominent feature within the municipality. Other notable landmarks include the Princeton Art Museum and the Princeton University Stadium. The town also maintains official twin town relationships with Colmar, Pettoranello del Molise, and Kalianpur. Local infrastructure includes Princeton station, while public spaces and historic structures such as Palmer Square and the Nassau Presbyterian Church are located within the municipal boundaries.
AI-assisted description based on geographic data and editorial notes.