uvlevel.net

UV index in Lisbon

Portugal · 38.72, -9.14

Today's peak13:00 local
4.1

Today's peak reaches moderate levels. Unprotected skin starts to redden in about 41 min at the worst hour: shade, sunglasses and SPF 30 are enough.

Danger window today (UV 3+)
10:49 → 14:52
Sunrise → sunset
07:06 → 17:33
Open the live dashboard for Lisbon →

About the UV index in Lisbon

Lisbon sits at 38.7° N, in the northern hemisphere. Today's UV peaks at 4.1: the "moderate" band, which uvlevel.net treats as caution 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

UV index for every hour of today in Lisbon, 38.72, -9.14, local time.
Local timeUV indexRisk
00:000No danger
01:000No danger
02:000No danger
03:000No danger
04:000No danger
05:000No danger
06:000No danger
07:000No danger
08:000.3No danger
09:001No danger
10:002.1No danger
11:003.2Caution
12:003.9Caution
13:004.1Caution
14:003.7Caution
15:002.9No danger
16:001.8No danger
17:000.7No danger
18:000.1No 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 4.1 in Lisbon. 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 tans33 min
II · burns easily41 min
III · burns sometimes57 min
IV · rarely burns1 h 13 min
V · brown skin1 h 38 min
VI · deeply pigmented2 h 43 min

Next 7 days · daily peak

Today
10:49–14:52
4.1
Thu 5
11:10–14:45
3.7
Fri 6
2.9
Sat 7
10:57–13:42
3.5
Sun 8
1.9
Mon 9
11:25–14:12
3.5
Tue 10
2

Frequently asked

Is the UV index dangerous in Lisbon today?

Yes. UV in Lisbon is forecast to reach 3 or higher from 10:49 to 14:52 local time today, peaking at 4.1.

What time is UV highest in Lisbon?

UV is highest in Lisbon at around 13:00 local time today, reaching 4.1.

How long can unprotected skin stay out in Lisbon today?

At today's peak of 4.1, fair skin (Fitzpatrick type II) with no sunscreen burns in about 41 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

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.