uvlevel.net

UV index in Tokyo

Tokyo, Japan · 35.68, 139.65

Today's peak12:00 local
2

Today's peak stays low. Unprotected skin is not at meaningful risk at any point in the day.

Danger window today (UV 3+)
None
Sunrise → sunset
05:2417:47
Open the live dashboard for Tokyo

About the UV index in Tokyo

Tokyo sits at 35.7° N, in the northern hemisphere. Today's UV peaks at 2: the "low" band, which uvlevel.net treats as no danger for unprotected skin at the worst hour.

Tokyo sees the widest UV swing of the year of any latitude band: a sharp summer peak around June and July, and a winter trough around December and January where midday UV can sit near zero for weeks at a time.

Hour by hour today

UV index for every hour of today in Tokyo, 35.68, 139.65, local time.
Local timeUV indexRisk
00:000No danger
01:000No danger
02:000No danger
03:000No danger
04:000No danger
05:000No danger
06:000.1No danger
07:000.2No danger
08:000.6No danger
09:001.2No danger
10:001.5No danger
11:001.1No danger
12:002No danger
13:001.4No danger
14:000.7No danger
15:000.4No danger
16:000.3No danger
17:000.1No danger
18:000No danger
19:000No danger
20:000No danger
21:000No danger
22:000No danger
23:000No danger

Time to burn today

Time to burn without sunscreen, per Fitzpatrick skin type, at today's peak of UV 2 in Tokyo. Real-world sunscreen use is about a third of the tested layer, so a treated time is a ceiling, not a promise.
Skin typeTime to burn
I · always burns, never tans1 h 08 min
II · burns easily1 h 25 min
III · burns sometimes2 h
IV · rarely burns2 h 34 min
V · brown skin3 h 25 min
VI · deeply pigmented5 h 42 min

Next 7 days · daily peak

Today
2
Thu 17
08:4214:41
6.3
Fri 18
09:4612:35
3.8
Sat 19
09:1613:48
5.3
Sun 20
10:3712:16
3.5
Mon 21
08:3115:36
6.6
Tue 22
08:3315:26
6.4

Frequently asked

Is the UV index dangerous in Tokyo today?

Not today. UV in Tokyo is forecast to stay under 3 all day, peaking at 2.

What time is UV highest in Tokyo?

UV is highest in Tokyo at around 12:00 local time today, reaching 2.

How long can unprotected skin stay out in Tokyo today?

At today's peak of 2, fair skin (Fitzpatrick type II) with no sunscreen burns in about 1 h 25 min. Darker skin types take longer. See the table above for every type.

Does the UV index in Tokyo change with the seasons?

Tokyo sees the widest UV swing of the year of any latitude band: a sharp summer peak around June and July, and a winter trough around December and January where midday UV can sit near zero for weeks at a time.

Nearby cities

Browse all cities →Burn-time guide →How the forecast works →

Forecasts and elevation from Open-Meteo. The second UV opinion contains modified Copernicus Atmosphere Monitoring Service (CAMS) information; neither the European Commission nor ECMWF is responsible for how it is used here.

uvlevel.net gives general sun-safety guidance, not medical advice. Photosensitising medication, skin conditions, infants and a history of skin cancer all call for stricter limits than shown here.