October in Lisbon averages highs of 23 °C (73 °F) and lows of 16 °C (60 °F), with about 8 rainy days and 11 h 06 min of daylight. The sea is fresh, around 19 °C (66 °F): fine for a quick swim.
October weather in Lisbon at a glance
average high to low each dot ≈ 3 rainy days
Is October a good time to visit Lisbon?
Good time to go: comfortably warm and some rain. October is usually low season in Lisbon: rooms are typically easier to find and cheaper.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in October 2026
- Mon 5 Oct: Republic Day (Implantação da República) public holiday
Banks and many shops close on public holidays, and museums may change their hours, so check before you go.
Things to do in Lisbon in October
October's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Alfama and São Jorge Castle — lanes, viewpoints and the castle walls outdoors
- Belém: Jerónimos Monastery and the tower — plus pastéis de nata at the source outdoors
- Tram 28 and the miradouros — Senhora do Monte and Graça for sunset outdoors
- Sintra day trip — Pena Palace and Quinta da Regaleira, 40 min by train outdoors
- Gulbenkian Museum — one of Europe's best small collections indoors
- National Tile Museum (Azulejo) — five centuries of Portuguese tiles indoors
Where to stay: Baixa and Chiado for first-timers; Alfama for character; Príncipe Real for quiet streets.
What to pack for Lisbon in October
- Light layers for the day.
- Comfortable walking shoes.
What a day in Lisbon costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €55–120 | €150–300 |
Excluding flights. October is usually low season in Lisbon: rooms are typically easier to find and cheaper.
October in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Porto | 21° / 14° | 12 | Mixed weather |
| Seville | 27° / 16° | 6 | Good time to go |
| Madrid | 22° / 11° | 7 | Good time to go |
Plan your Lisbon trip
- Best Time to Visit Portugal: Month-by-Month Guide 2026
- How to Plan a Trip on a Budget With AI (So the Total Actually Adds Up)
- 3 Days in Lisbon on a Budget — A Day-by-Day Itinerary
- Sintra Day Trip from Lisbon: Easy 2026 Plan + Real Costs
Want the whole trip planned? Join the Journey waitlist: tell it where, when and your budget, and it plans every day hour by hour.
FAQ
Is October a good time to visit Lisbon?
By the numbers, October is a good time to go: comfortably warm and some rain, with average highs of 23 °C (73 °F) and about 8 rainy days. October is usually low season in Lisbon: rooms are typically easier to find and cheaper. The best months for weather are May, June, July, September.
How warm is Lisbon in October?
Average highs are 23 °C (73 °F) and lows 16 °C (60 °F) (2015–2024 averages). The sea is fresh, around 19 °C (66 °F): fine for a quick swim.
Does it rain a lot in Lisbon in October?
Expect about 8 days with 2 mm of rain or more, about 78 mm in total. It is the wettest month of the year in Lisbon.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.