Experience Lisbon's Mediterranean charm, with mild winters (avg 12°C/54°F) and warm summers (avg 28°C/82°F). Spring and autumn offer pleasant temperatures (16-20°C/61-68°F), making these seasons the best to explore. Did you know Lisbon is one of Europe's sunniest capitals, averaging 2900 hours of sunlight per year? Take a scenic tram ride through Alfama district, savoring pastel de nata while enjoying Lisbon's sun-kissed terraces.
Today's Forecast
5-Day Forecast
Lisbon Climate & Weather Averages
Across the year, Lisbon swings between average daytime highs of 28°C in August and 15°C in January. Rain peaks in October, while August is typically the driest month. Every figure below comes from daily weather records for 2015–2024 — not long-range estimates.
The weather in Lisbon moves in moderate steps rather than leaps. Between the 28°C warmth of August and the 15°C chill of January lie long, mild shoulder seasons that many consider the best time to be here. Showers can turn up in any month — October most of all — so a light rain layer earns its place year-round.
| Month | Avg High | Avg Low | Rainfall | Sunshine (h/day) | Wind (km/h) |
|---|---|---|---|---|---|
| Jan | 15° | 9° | 55 mm | 7.7 | 20 |
| Feb | 16° | 9° | 49 mm | 8.5 | 21 |
| Mar | 17° | 10° | 59 mm | 9.9 | 22 |
| Apr | 19° | 12° | 62 mm | 11.1 | 21 |
| May | 23° | 14° | 38 mm | 12.4 | 22 |
| Jun | 25° | 16° | 16 mm | 13.3 | 21 |
| Jul | 28° | 18° | 3 mm | 13.4 | 22 |
| Aug | 28° | 18° | 1 mm | 12.4 | 22 |
| Sep | 26° | 17° | 30 mm | 11.1 | 20 |
| Oct | 23° | 16° | 78 mm | 9.1 | 20 |
| Nov | 18° | 12° | 75 mm | 7.6 | 19 |
| Dec | 16° | 10° | 76 mm | 7.4 | 19 |
A warming climate: The long record shows it plainly: in the 1950s a typical August day in Lisbon topped out near 25°C; in the last decade it reached 28°C — +2.9°C warmer.
Expect around 13.4 hours of sun a day at the July peak, against about 7.4 hours in December. Wind stays moderate most of the year, strongest in March with daily peaks near 22 km/h.
Best time to visit: Aim for June–September if you can: highs hover near 26°C and rain is lighter than the October peak. Light, breathable layers plus a light waterproof cover most days here.
Lisbon weather — frequently asked questions
How hot does Lisbon get in summer?
August is the hottest month, with daytime highs averaging 28°C — individual days run hotter still. Nights in August typically stay around 18°C.
What is the sunniest month in Lisbon?
July, with roughly 13.4 hours of sunshine a day on average over 2015–2024. The dimmest month is December, at about 7.4 hours.
When is the best time to visit Lisbon?
Weather-wise, June–September is the sweet spot in Lisbon: average daytime highs around 26°C with less rain than the October peak. Data from 2015–2024.
What is the rainiest month in Lisbon?
October is on average the wettest month in Lisbon, with about 78 mm of rainfall. The driest month is typically August, at around 1 mm.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.