At solar noon (11:25:48 AM) the sun reaches 43.6° above the horizon in Toshima-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 Toshima-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° | 4.5 Moderate | — | |
| 42.6° | 4.5 Moderate | — | |
| 42.2° | 4.4 Moderate | — | |
| 41.9° | 4.3 Moderate | — | |
| 41.5° | 4.3 Moderate | — | |
| 41.2° | 4.2 Moderate | — | |
| 40.9° | 4.1 Moderate | — | |
| 40.5° | 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 Toshima-ku
Toshima-ku is a special ward located in the Tokyo Metropolis, Japan. It has existed as a municipality since 1947 and covers an area of 13.0 square kilometres. As of 2021, the population of the ward is 297,954. The area is served by several transit points, including Mejiro Station, Ōtsuka Station, and the underground Kanamechō Station. Notable features within its boundaries include Rikkyo University, which is a private church college, the Kanda River, and the Bikkuri Girder railway bridge. The ward maintains a twin town relationship with Yuza. It functions as one of the constituent administrative divisions of the Tokyo region.
AI-assisted description based on geographic data and editorial notes.