October

Gains

• ↑Accommodation 40–55% cheaper than peak summer rates
• ↑City landmarks with almost no queues — São Jorge Castle in 15 minutes flat
• ↑Authentic local rhythm with almost no tourist crowds

Sacrifices

• ↓Cool evenings (drops to 8°C) — outdoor dining ends by nightfall
• ↓Fewer sunny days: expect cloud cover and occasional heavy rain
• ↓Some seasonal restaurants and tour operators closed

Gains

• ↑Almond trees bloom in the Alentejo — day trips are spectacular
• ↑Budget prices across hotels, restaurants, and flights
• ↑Carnival weekend brings street festivities to Bairro Alto

Sacrifices

• ↓Still cool enough that beach visits feel premature
• ↓Rainfall probability remains moderate — pack a layer
• ↓Limited daylight hours: sunset by 18:30

Gains

• ↑Jacaranda trees beginning to bud, city streets fresh and colourful
• ↑Hotels 35–45% cheaper than summer — good value with much better weather than winter
• ↑Comfortable daytime temperatures for walking the hills without sweating

Sacrifices

• ↓Easter week (if it falls in March) brings a sudden spike in domestic tourism
• ↓Rainfall still possible — average 51mm across the month
• ↓Sea temperature too cold for swimming (14–15°C)

Gains

• ↑Jacaranda blossom peaks — Lisbon is at its most photogenic
• ↑April 25th celebrations (Carnation Revolution anniversary) — uniquely Portuguese festivity
• ↑Warm enough for outdoor café culture all day

Sacrifices

• ↓Easter and Carnation Revolution holidays push hotel prices 20–30% higher than March
• ↓Occasional April showers — rainfall still moderate at 54mm
• ↓Growing tourist numbers, especially on weekends

Gains

• ↑Consistently warm (20°C+) with very little rain — nearly ideal walking weather
• ↑Sea temperature rising to 17°C — early beach days possible
• ↑Book of Saints festivals begin warming up the Santos neighbourhood

Sacrifices

• ↓Prices begin climbing — accommodation 15–20% higher than April
• ↓Weekend crowds building, especially Belém and Alfama viewpoints
• ↓Book well in advance — availability shrinks fast

Gains

• ↑Santos Populares (12–13 June) — the most authentic Lisbon street party of the year
• ↑Near-zero rainfall: only 12mm across the whole month
• ↑Long golden evenings: sunset after 21:00

Sacrifices

• ↓Hotel prices 60–70% higher than January — among the most expensive nights of the year
• ↓Major tourist sites require booking weeks ahead
• ↓Alfama and Mouraria packed every evening with festival crowds

Gains

• ↑Sea still at 20°C — beaches entirely viable, far less packed than August
• ↑Prices drop 20–30% from peak: the value window reopens
• ↑Lisbon locals return — the city feels more lived-in and authentic again

Sacrifices

• ↓First weekend rains can arrive late September — pack a light layer
• ↓Still busy at major sites, especially early in the month
• ↓Flight prices remain elevated through most of September

Gains

• ↑Warm afternoons (21°C) with the summer crowds gone — cafés and viewpoints breathe again
• ↑Prices 35–40% below peak: a strong value month with pleasant conditions
• ↑Wine harvest season — day trips to Alentejo vineyards at their best

Sacrifices

• ↓Rainfall picking up: 75mm — expect at least a few wet afternoons
• ↓Sea too cool for comfortable swimming (17°C)
• ↓Shorter days and earlier sunsets than summer

Gains

• ↑Accommodation among the cheapest of the year — excellent for longer stays
• ↑Museums and cultural venues entirely uncrowded
• ↑Rainy afternoons are ideal for fado bars and wine-forward restaurants

Sacrifices

• ↓Wettest month: 84mm — plan around rainy days, not around them
• ↓Cool and overcast stretches can last several days
• ↓Limited outdoor café culture; evening energy subdued compared to summer