What to expect in Porto in October
October is a strong choice for Porto: 21° / 12°, with manageable crowds at the big attractions and some of the best deals of the year.
Porto weather in October
Typical conditions in Porto during October, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 21°C 70°F |
|---|---|
| Average low | 12°C 54°F |
| Rainfall | Wet 100/100 |
| Total rainfall | 131 mm5.2 in |
| Rainy days | 14 |
| Sea temperature | 17°C 62°F |
| Daylight | 11 h 7 min |
| How it feels | Mild — layers weather |
Average highs sit around 21°C with lows near 12°C. Expect a fair amount of rain, so plan indoor backups.
Crowds & demand
Crowd levels are Moderate for Porto — manageable crowds at the big attractions.
Prices & value
This month counts as low season: some of the best deals of the year.
What to pack
Layers you can shed: 21°C by day and about 12°C after dark is a two-jacket kind of month. Add a compact rain shell and shoes you do not mind soaking; this is one of the wetter months.
What it costs
This is one of the cheaper months to visit Porto. Flights and accommodation sit near their yearly floor, and you can usually book late without being punished for it. Compared with the most expensive month of the year, you are looking at roughly 47% less.
Who this month suits
- Travellers who want the most reliable weather
- Anyone travelling on a budget
- People who would rather have space than perfect conditions
Events & what’s on
No major festivals fall in October, so the destination feels like its everyday self.
Porto in October compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| August | 25° / 15° | High | $$$ | 52 |
| September | 24° / 14° | Moderate | $$ | 60 |
| October · This month | 21° / 12° | Moderate | $ | 59 |
| November | 16° / 8° | Low | $ | 54 |
| December | 13° / 6° | Low | $ | 47 |
These months score higher for Porto on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in October
If the destination is negotiable but the month is not, these places are at their best in October.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
