What is the UV index in Johannesburg, South Africa today?

Check the live UV index in Johannesburg, South Africa today on Daily UV Tracker. See peak UV level, safe sun time, hourly UV forecast and 7-day forecast with SPF sun protection advice. Data is updated continuously from Open-Meteo and OpenUV.

What is the UV index in Johannesburg, South Africa?

The UV index in Johannesburg, South Africa varies by season and time of day. Use Daily UV Tracker to see the current UV level, peak UV time, and hourly forecast so you can plan safe sun exposure.

When is UV highest in Johannesburg, South Africa?

UV is usually highest in Johannesburg, South Africa around solar noon, between 11 am and 3 pm local time. The daily peak depends on latitude, season, altitude and cloud cover.

How long can I stay in the sun in Johannesburg, South Africa?

Safe sun time in Johannesburg, South Africa depends on the current UV index and your skin type. Use the burn-time calculator on the page to get a personalised estimate based on the Fitzpatrick scale.

Johannesburg ดัชนี UV วันนี้ ค่าสูงสุดและพยากรณ์ 7 วัน

Q: Do I need sunscreen in Johannesburg, South Africa?

Yes, on most days. Whenever the UV index in Johannesburg, South Africa reaches 3 or above, use broad-spectrum SPF 30–50 sunscreen, reapply every two hours and after swimming, and cover up around solar noon.

Q: What SPF should I wear in Johannesburg, South Africa?

SPF 30 is a sensible baseline in Johannesburg, South Africa, and SPF 50+ when the UV index is 8 or higher. Add sunglasses, a wide-brim hat and UPF clothing during peak UV hours.

Q: Can you get sunburnt on a cloudy day in Johannesburg, South Africa?

Yes. Up to 80% of UV radiation passes through light cloud, so you can still burn in Johannesburg, South Africa on overcast days. Check the hourly UV forecast rather than judging by brightness.

Johannesburg ดัชนี UV วันนี้ — ค่า UV สูงสุด, เวลาโดนแดดปลอดภัย, เครื่องคำนวณผิวไหม้, พยากรณ์ UV รายชั่วโมง และพยากรณ์ 7 วันเพื่อการป้องกันแดด

Johannesburg, South Africa is in South Africa (Africa). UV levels change through the day and across seasons. The strongest UV usually occurs around solar noon, so seek shade, wear sunscreen and protective clothing during the middle of the day.

Sun safety in Johannesburg, South Africa — your questions answered

What time is UV highest in Johannesburg, South Africa?

UV in Johannesburg, South Africa peaks around solar noon, usually between 11:00 and 15:00 local time. The hourly UV forecast on this page shows the exact peak UV hour for today.

Do I need sunscreen in Johannesburg, South Africa?

Whenever the UV index reaches 3 or above, use broad-spectrum SPF 30–50 sunscreen, reapply every two hours and after swimming, and cover up during peak UV hours.

What SPF should I wear in Johannesburg, South Africa?

SPF 30 is a sensible baseline in Johannesburg, South Africa; move to SPF 50+ when the UV index is 8 or higher. Add sunglasses, a wide-brim hat and UPF clothing. The burn-time calculator gives a personalised safe sun time by Fitzpatrick skin type.

Can you get sunburnt on a cloudy day in Johannesburg, South Africa?

Yes — up to 80% of UV passes through light cloud, so sunburn is still possible in Johannesburg, South Africa on overcast days.

UV index levels explained: UV 1 · UV 3 · UV 5 · UV 7 · UV 9 · UV 11

Nearby UV forecasts: Cape Town, South Africa UV Index · Durban, South Africa UV Index · Pretoria, South Africa UV Index · Port Elizabeth, South Africa UV Index · Adelaide, South Africa UV Index · Stellenbosch, South Africa UV Index