Latitude & Daylight at Lissabon

Lissabon sits at latitude 38.7°. At this latitude, daylight varies from approximately 14.7h in summer (solstice) to 14.7h in winter — a seasonal swing of 0.0h. The sun reaches a maximum altitude of 74.7° at summer solstice and a minimum of 27.8° at winter solstice. This mid-latitude profile is what shapes Lissabon's unique sunrise, sunset, and golden hour patterns year-round.

Lissabon liegt nahe der südlichen Grenze des Pfads der totalen Sonnenfinsternis vom 12. August 2026 — während das Stadtzentrum eine tiefe partielle Finsternis (~95%) erlebt, kann die Totalität innerhalb von 30 Minuten Fahrt nach Norden in Städten wie Caldas da Rainha und Rio Maior erreicht werden. Die sieben Hügel der Stadt, verewigt in ihren ikonischen Straßenbahnlinien, werden die sichelförmige Sonne verzerrte Schatten über die Tejo-Mündung werfen sehen.

Golden Hour Photography at Lissabon

Golden hour at Lissabon occurs when the sun sits between −4° and 6° above the horizon, producing soft, warm, directional light ideal for portrait and landscape photography. At Lissabon's latitude, morning golden hour typically starts in the hour after sunrise and lasts approximately 28–40 minutes. Evening golden hour mirrors this before sunset. The longer twilight at this latitude gives photographers more time to capture the 'magic hour' compared to equatorial locations where the sun sets more steeply.

Auf 38,7°N an Europas westlichster kontinentaler Kante genießt Lissabon über 2.800 Sonnenstunden jährlich — einer der höchsten Werte Europas. Die westlich ausgerichtete Atlantikküste der Stadt bedeutet, dass Sonnenuntergänge über dem Ozean ein tägliches Ritual sind, mit dem Cabo da Roca (dem westlichsten Punkt des europäischen Festlands) nur 40 km entfernt für ungehinderte Sonnenhorizont-Ansichten.

UV Exposure & Sun Safety at Lissabon

UV radiation at Lissabon peaks when the sun is highest in the sky — around solar noon. At 38.7° latitude, peak UV levels vary significantly by season: summer months see UV indices of 6–9 (high), while winter months typically register 1–3 (low). The World Health Organization recommends sun protection when UV index exceeds 3. At Lissabon's latitude, this threshold is exceeded for approximately 6–8 months per year, making sun awareness a year-round consideration for outdoor workers and athletes.

How We Calculate Solar Data for Lissabon

All solar calculations for Lissabon use the Jean Meeus Chapter 25 solar position algorithm with bisection iteration, accurate to ±1 minute for dates between 1901–2099. Sunrise and sunset times define the moment the upper limb of the sun appears on the horizon, accounting for atmospheric refraction. Daily data is calculated client-side from Lissabon's coordinates (38.7°, -9.1°) — zero server processing means your location data never leaves your device.