Portugal · 38.72, -9.14
Today's peak is very high. Skin damage happens fast: roughly 20 min before burning at the worst hour. Avoid direct sun entirely inside the danger window below.
About the UV index in Lisbon
Lisbon sits at 38.7° N, in the northern hemisphere. Today's UV peaks at 8.4: the "very high" band, which uvlevel.net treats as serious danger for unprotected skin at the worst hour.
Lisbon 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
| Local time | UV index | Risk |
|---|---|---|
| 00:00 | 0 | No danger |
| 01:00 | 0 | No danger |
| 02:00 | 0 | No danger |
| 03:00 | 0 | No danger |
| 04:00 | 0 | No danger |
| 05:00 | 0 | No danger |
| 06:00 | 0 | No danger |
| 07:00 | 0.1 | No danger |
| 08:00 | 0.5 | No danger |
| 09:00 | 1.7 | No danger |
| 10:00 | 3.2 | Caution |
| 11:00 | 5.3 | Caution |
| 12:00 | 7.2 | Danger |
| 13:00 | 8.4 | Serious danger |
| 14:00 | 8.2 | Serious danger |
| 15:00 | 7.2 | Danger |
| 16:00 | 6.3 | Danger |
| 17:00 | 4.8 | Caution |
| 18:00 | 3.5 | Caution |
| 19:00 | 2.2 | No danger |
| 20:00 | 0.9 | No danger |
| 21:00 | 0.1 | No danger |
| 22:00 | 0 | No danger |
| 23:00 | 0 | No danger |
| Skin type | Time to burn |
|---|---|
| I · always burns, never tans | 16 min |
| II · burns easily | 20 min |
| III · burns sometimes | 28 min |
| IV · rarely burns | 36 min |
| V · brown skin | 48 min |
| VI · deeply pigmented | 1 h 19 min |
Next 7 days · daily peak
Frequently asked
Is the UV index dangerous in Lisbon today?
Yes. UV in Lisbon is forecast to reach 3 or higher from 09:54 to 18:20 local time today, peaking at 8.4.
What time is UV highest in Lisbon?
UV is highest in Lisbon at around 13:00 local time today, reaching 8.4.
How long can unprotected skin stay out in Lisbon today?
At today's peak of 8.4, fair skin (Fitzpatrick type II) with no sunscreen burns in about 20 min. Darker skin types take longer. See the table above for every type.
Does the UV index in Lisbon change with the seasons?
Lisbon 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
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.