At solar noon (01:09:46 PM) the sun reaches 36.5° above the horizon in London. Without clouds, that corresponds to a maximum UV index of about 3.1 (moderate). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in London, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 36.5° | 3.1 Moderate | — | |
| 36.2° | 3.1 Moderate | — | |
| 35.8° | 3.0 Moderate | — | |
| 35.5° | 2.9 Low | — | |
| 35.1° | 2.9 Low | — | |
| 34.8° | 2.8 Low | — | |
| 34.4° | 2.8 Low | — | |
| 34.1° | 2.7 Low | — | |
| 33.8° | 2.6 Low | — | |
| 33.4° | 2.6 Low | — | |
| 33.1° | 2.5 Low | — | |
| 32.8° | 2.5 Low | — | |
| 32.5° | 2.4 Low | — | |
| 32.1° | 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 London
Located in the province of Ontario, Canada, London sits at an elevation of 251 meters and covers an area of 420.6 square kilometers. The city, which has existed as a municipality since 1826, recorded a population of 422,324 in 2021. The North Thames River and the Thames River flow through the municipality. Notable features include the London International Airport, the London station, and St. Peter's Cathedral Basilica. London maintains a twinning arrangement with Nanjing. The city also hosts St. Paul's Cathedral, Canada Life Place, Eldon House, Victoria Park, and the Flame of Hope monument within its administrative boundaries.
AI-assisted description based on geographic data and editorial notes.