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Best time to visit Lisbon: month by month
Short answer
April to June and September to October are the best months: highs of 20–25°C and little rain. July and August are hot (about 29°C, sometimes above 35°C), completely dry and the busiest. Winters are mild (14–16°C) but wetter, with about 9–11 rainy days a month.
Month by month
| Month | High | Low | Rainy days | Crowds |
|---|---|---|---|---|
| Jan | 14°C | 8°C | 5 | low |
| Feb | 16°C | 9°C | 9 | low |
| Mar | 18°C | 11°C | 8 | medium |
| Apr | 20°C | 12°C | 7 | high |
| May | 24°C | 15°C | 3 | high |
| Jun | 25°C | 17°C | 5 | very high |
| Jul | 29°C | 18°C | 0 | very high |
| Aug | 29°C | 18°C | 0 | very high |
| Sep | 25°C | 18°C | 8 | high |
| Oct | 24°C | 16°C | 11 | high |
| Nov | 18°C | 12°C | 9 | medium |
| Dec | 16°C | 11°C | 11 | medium |
Temperatures and rainy days: Copernicus ERA5 averages, 2021–2023. Crowd levels are our estimate.
Season by season
Spring (Mar–May)
Highs rise from about 18°C in March and 20°C in April to 24°C in May, with lows of 11–15°C; May has only about 3 rainy days.
Summer (Jun–Aug)
Highs of 25°C in June and 29°C in July and August, lows of 17–18°C and almost no rain. June brings the Santos Populares street festivals.
Autumn (Sep–Nov)
September (25°C) and October (24°C) are warm, though October is the wettest month with about 11 rainy days; November cools to 18°C.
Winter (Dec–Feb)
Mild: highs of 14–16°C and lows of 8–11°C, with rain on about 9–11 days a month. The cheapest and quietest season.
Events worth planning around
- Carnival (February or early March, depending on Easter)
- Festas de Lisboa / Santos Populares throughout June, peaking on the night of 12–13 June for Santo António, with sardine grills in Alfama and Mouraria
- NOS Alive music festival in Algés, just west of the city (July)
- Web Summit technology conference (November), which fills hotels
When to avoid
July and August are the most crowded and expensive, and heatwaves make the steep walks hard work. If you go in June, book early for the Santo António festival nights, when the city is full.
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Common questions
What is the best month to visit Lisbon?
May or late September: highs of 24–25°C, little rain and slightly smaller crowds than midsummer.
Is Lisbon good in winter?
Yes, for mild city breaks: highs of 14–16°C, low prices and short queues, though expect rain on about 9–11 days a month.
When are the Lisbon June festivals?
Throughout June, with the biggest night on 12–13 June for Santo António, when Alfama and Mouraria fill with street parties and sardine grills.