UV Index in Hayama, Kanagawa, Japan

· Asia/Tokyo

4.8
Moderate · clear-sky maximum Wednesday, October 21, 2026

At solar noon (11:26:21 AM) the sun reaches 44.1° above the horizon in Hayama. Without clouds, that corresponds to a maximum UV index of about 4.8 (moderate). Clouds usually lower the real value; snow, sand, water and altitude can raise it.

☀️ Sun Safety: When the UV index is high, protect yourself with sunscreen, shade, and a hat. Values of 6 or more indicate increased sunburn risk!

UV index in Hayama, next 14 days

DateSun at noonClear-sky maxForecast max
44.1° 4.8 Moderate —
43.7° 4.7 Moderate —
43.4° 4.7 Moderate —
43.0° 4.6 Moderate —
42.7° 4.5 Moderate —
42.3° 4.4 Moderate —
42.0° 4.4 Moderate —
41.7° 4.3 Moderate —
41.3° 4.2 Moderate —
41.0° 4.2 Moderate —
40.7° 4.1 Moderate —
40.3° 4.0 Moderate —
40.0° 4.0 Moderate —
39.7° 3.9 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.

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The UV index in Hayama measures the intensity of ultraviolet radiation reaching the ground. Values below 3 are considered low risk, while 6 and above require sun protection such as sunscreen, sunglasses, and shade. The clear-sky value shows how strong the sun can get on each day; the forecast shows what is expected with clouds. See today's sunrise and sunset times for Hayama or discover the best light for photos during the golden hour in Hayama.

About Hayama

Hayama is a town in the Miura district of Kanagawa, Japan. It occupies an area of 17.0 square kilometres along the coast of Sagami Bay and has existed as a municipality since 1925. As of 2020, the town has a population of 31,546 residents. Local landmarks include the Graduate University for Advanced Studies, which is a national university, and the Museum of Modern Art, Kamakura & Hayama, a prefectural museum. The town also contains the Morito Daimyōjin Shrine, a Shinto site that stands alongside various other religious and educational institutions within the local jurisdiction.

AI-assisted description based on geographic data and editorial notes.