Best time to visit Lisbon
The best months to visit Lisbon are June, May and September, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
June, May and September score best for Lisbon weather:
- May23° / 14°CMay is warm without summer heat, ideal for tram 28, Castelo de São Jorge, and Cascais trains.
- June26° / 17°CJune is dry and bright, with Santos Populares nights around Alfama and Bairro Alto affecting sleep and taxis.
- September26° / 18°CSeptember stays warm with more showers, and Cascais or Sintra day trips work best with morning forecasts.
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By TripSapien Research · Updated May 20, 2026
Lisbon weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight | Sea |
|---|---|---|---|---|---|---|
| January | 15° | 9° | 110 | 10 | 10h | 15° |
| February | 16° | 9° | 80 | 8 | 11h | 15° |
| March | 19° | 11° | 75 | 8 | 12h | 15° |
| April | 20° | 12° | 70 | 8 | 13h | 17° |
| MayBest weather | 23° | 14° | 60 | 5 | 14h | 18° |
| JuneBest weather | 26° | 17° | 15 | 2 | 15h | 19° |
| July | 28° | 18° | 0 | 1 | 15h | 20° |
| August | 28° | 19° | 5 | 1 | 14h | 20° |
| SeptemberBest weather | 26° | 18° | 40 | 4 | 12h | 18° |
| October | 23° | 15° | 115 | 9 | 11h | 18° |
| November | 18° | 12° | 135 | 10 | 10h | 18° |
| December | 15° | 10° | 105 | 10 | 9h | 15° |
Temperatures in °C. Long-term monthly averages.
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Lisbon month by month
January
Lisbon in January: 14.9°C high, 8.8°C low, 110mm rain over 10 days, 9.6h daylight. Mild but rainy — flexible plans pay off.
February
Lisbon in February: 16.1°C high, 9.2°C low, 80mm rain over 8 days, 10.5h daylight. Mild and dry — shoulder-season sweet spot.
March
Lisbon in March: 18.6°C high, 11.1°C low, 75mm rain over 8 days, 11.7h daylight. Mild and dry — shoulder-season sweet spot.
April
Lisbon in April: 20.1°C high, 12.3°C low, 70mm rain over 8 days, 13h daylight. Mild and dry — shoulder-season sweet spot.
Peixe em Lisboa (April) · Dias da Música em Belém (End of April)
MayBest weather
Lisbon in May: 22.6°C high, 14.4°C low, 60mm rain over 5 days, 14.1h daylight. Mild and dry — shoulder-season sweet spot.
Rock in Rio Lisboa (Late May or early June every other year (every even numbered year))
JuneBest weather
Lisbon in June: 25.8°C high, 16.9°C low, 15mm rain over 2 days, 14.7h daylight. Mild and dry — shoulder-season sweet spot.
Rock in Rio Lisboa (Late May or early June every other year (every even numbered year)) · Festas dos Santos (June)
July
Lisbon in July: 27.8°C high, 18.3°C low, 0mm rain over 1 days, 14.5h daylight. Mild and dry — shoulder-season sweet spot.
August
Lisbon in August: 28.4°C high, 18.9°C low, 5mm rain over 1 days, 13.5h daylight. Hot and dry — outdoor friendly, hydrate.
Jazz em Agosto (August)
SeptemberBest weather
Lisbon in September: 26.3°C high, 17.7°C low, 40mm rain over 4 days, 12.2h daylight. Mild and dry — shoulder-season sweet spot.
October
Lisbon in October: 22.6°C high, 15.4°C low, 115mm rain over 9 days, 11h daylight. Mild but rainy — flexible plans pay off.
November
Lisbon in November: 18°C high, 11.9°C low, 135mm rain over 10 days, 9.8h daylight. Mild but rainy — flexible plans pay off.
December
Lisbon in December: 15.2°C high, 9.6°C low, 105mm rain over 10 days, 9.3h daylight. Mild but rainy — flexible plans pay off.
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