At solar noon (11:25:27 AM) the sun reaches 43.6° above the horizon in Sumida-ku. Without clouds, that corresponds to a maximum UV index of about 4.7 (moderate). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Sumida-ku, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 43.6° | 4.7 Moderate | — | |
| 43.3° | 4.6 Moderate | — | |
| 42.9° | 4.6 Moderate | — | |
| 42.6° | 4.5 Moderate | — | |
| 42.2° | 4.4 Moderate | — | |
| 41.9° | 4.3 Moderate | — | |
| 41.6° | 4.3 Moderate | — | |
| 41.2° | 4.2 Moderate | — | |
| 40.9° | 4.1 Moderate | — | |
| 40.6° | 4.1 Moderate | — | |
| 40.2° | 4.0 Moderate | — | |
| 39.9° | 3.9 Moderate | — | |
| 39.6° | 3.9 Moderate | — | |
| 39.3° | 3.8 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.
High UV today? Sport sunscreen with SPF 100 stays on through sweat — essential for long outdoor activities.
View on Amazon →About Sumida-ku
Sumida-ku is a special ward in the Tokyo Metropolis, Japan, with a population of 270,823 as of 2021. The ward, which has existed as a municipality since 1947, covers an area of 13.8 square kilometres and maintains a twin town relationship with Tsuruoka. Transportation infrastructure includes several railway stations such as Oshiage Station, Kinshichō Station, and Tokyo Skytree Station. Geographically, the area is situated along the Sumida River. Public green space in the ward is represented by Sumida Park. The administrative area functions as a district within the greater Tokyo region.
AI-assisted description based on geographic data and editorial notes.