UV Index in Osaka Today — Check Current UV Levels in Osaka, Japan

Check the real-time UV index in Osaka right now. Get the current UV level, hourly UV forecast for today, and a 7-day UV outlook for Osaka, Japan.

Current UV Index in Osaka

The UV index in Osaka changes throughout the day, typically peaking between 10am and 2pm local time. Kansai metropolis with humid summers and strong UV

Hourly UV Forecast for Osaka Today

Planning outdoor activities in Osaka, Japan? Check our hourly UV breakdown to find the safest windows. Our forecast updates every 15 minutes with data from Open-Meteo weather services.

7-Day UV Forecast for Osaka

Plan your week in Osaka with our 7-day UV index forecast. See which days will have the highest UV so you can prepare with the right level of sun protection.

Sun Protection Guide for Osaka

UV Index	Level	What to Do in Osaka
0–2	Low	Enjoy outdoor activities freely. Sunscreen optional for most skin types.
3–5	Moderate	Wear SPF 30+ sunscreen. Seek shade during midday hours.
6–7	High	Limit midday sun. Use SPF 50+, wear a hat and sunglasses.
8–10	Very High	Minimize outdoor time 10am–4pm. Full sun protection essential.
11+	Extreme	Avoid direct sun. Stay indoors or in full shade during peak hours.

Typical UV Levels in Osaka

Osaka typically experiences UV index values of 9-10 during peak season (May-September) and 2-3 during the off-season. UV follows a clear seasonal curve peaking in midsummer

Best Time for Outdoor Activities in Osaka

The safest time for outdoor activities in Osaka is before 10am and after 4pm when UV levels drop significantly. Always check the current UV index before extended outdoor plans.

Recommended SPF for Osaka

During peak UV season in Osaka (May-September), dermatologists recommend SPF 50+ broad-spectrum sunscreen. Apply 15–20 minutes before sun exposure and reapply every 2 hours.

Osaka UV Index by Season

High UV Season in Osaka

UV levels in Osaka are highest from late spring through early fall, with the UV index regularly reaching 9-10. Protective clothing, wide-brim hats, and UV-blocking sunglasses are recommended alongside sunscreen.

Low UV Season in Osaka

UV levels drop during the mild winter months, typically measuring 2-3. SPF 30 is still recommended for extended outdoor time even during cooler months.

Recommended Sun Protection

• EltaMD UV Clear SPF 46 — Face sunscreen. $37
• Neutrogena Ultra Sheer SPF 70 — Body sunscreen. $10
• Banana Boat Light As Air SPF 50 — Twin pack. $15
• Roadbox UPF 50+ Sun Shirt — UV clothing. $19
• Outdoor Research Sombriolet Hat — UPF 50+ hat. $45

We may earn a commission from purchases through these links.

Sun Safety FAQ for Osaka

What is the average UV index in Osaka?

The average UV index in Osaka ranges from 2-3 during the low season to 9-10 during peak months (May-September).

When is UV highest in Osaka?

UV is highest in Osaka from late spring through early fall, peaking between 10am and 2pm local time.

Do I need sunscreen in Osaka?

Yes — whenever the UV index reaches 3 or higher. During peak season (May-September), daily sunscreen use is strongly advised.

UV Index Near Osaka

About UV Index in Osaka

UV data for Osaka, Japan is updated every 15 minutes via Open-Meteo weather services. Always check the current UV index before spending extended time outdoors.