At solar noon (01:09:33 PM) the sun reaches 36.7° above the horizon in St. Thomas. Without clouds, that corresponds to a maximum UV index of about 3.2 (moderate). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in St. Thomas, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 36.7° | 3.2 Moderate | — | |
| 36.4° | 3.1 Moderate | — | |
| 36.0° | 3.0 Moderate | — | |
| 35.7° | 3.0 Moderate | — | |
| 35.3° | 2.9 Low | — | |
| 35.0° | 2.9 Low | — | |
| 34.6° | 2.8 Low | — | |
| 34.3° | 2.7 Low | — | |
| 34.0° | 2.7 Low | — | |
| 33.6° | 2.6 Low | — | |
| 33.3° | 2.6 Low | — | |
| 33.0° | 2.5 Low | — | |
| 32.7° | 2.5 Low | — | |
| 32.3° | 2.4 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 St. Thomas
Located in Canada within the province of Ontario, St. Thomas is a city that has existed as a municipality since 1810. The city sits at an elevation of 230 metres and recorded a population of 38,909 in 2016. Among its notable features are the Canada Southern Railway Station, the Elgin Military Museum, and the university building known as Alma College. St. Thomas maintains an international connection through its twin town relationship with Huai'an. The area also includes several religious buildings, such as the Old St. Thomas Church, Holy Angels Church, and St. Anne Church, alongside the Elgin County Railway Museum and the Joe Thornton Community Centre.
AI-assisted description based on geographic data and editorial notes.