Portugal Porto Weather in October — Climate Guide
October in Porto is high
October is high for Porto.
Autumn foliage in Douro Valley + harvest finishing + cool pleasant. Shoulder pricing.
Travel score
Porto October Weather Stats
Avg High
21°C
Avg Low
12°C
Rainy Days
11
100mm total
Sunshine
6h
Daily avg
Humidity
78%
moderate
UV Index
5
Moderate
Wind
11 km/h
Gusts 25
Sea Temp
17°C
swimming chilly
Crowds
Moderate
At attractions
October Sunrise & Sunset
Air Quality
PM2.5
14 μg/m³
PM10
25 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
20°C
Nighttime
11°C
Humidity and wind affect how the actual temperature feels.
Wind
11 km/h
Max gust 25 km/h
Activities Recommended for October
October Travel Pros & Cons
Pros
- Autumn foliage Douro
- 21°C pleasant
- Shoulder pricing
- Cellars accessible
Cons
- 100mm rain returning
- Daylight 11h
October Events & Festivals
- Douro harvest ends mid-Oct
- Autumn foliage Douro Valley
Porto in October — Full Picture
Autumn foliage in Douro Valley + harvest finishing + cool pleasant. Shoulder pricing.
What to Wear & What to Pack
Autumn cool. Light coat + sweater.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
18.3°C
9.3°C
10.3/mo
Summer (Jun·Jul·Aug)
24.7°C
14.3°C
4/mo
Autumn (Sep·Oct·Nov)
Current20.7°C
11.7°C
9.7/mo
Winter (Dec·Jan·Feb)
14.3°C
6.3°C
12.7/mo
Porto Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 14° | 6° | 13d·150mm | 4h | 80% | 2 | Quiet | Low season | |
| 15° | 6° | 12d·110mm | 5h | 78% | 3 | Quiet | Low season | |
| 17° | 8° | 11d·90mm | 6h | 75% | 5 | Moderate | Shoulder | |
| April (Best) | 18° | 9° | 11d·90mm | 7h | 73% | 6 | Busy | Peak |
| May (Best) | 20° | 11° | 9d·80mm | 8h | 70% | 7 | Busy | Peak |
| June (Best) | 23° | 13° | 6d·40mm | 9h | 70% | 8 | Very busy | Peak |
| July (Best) | 25° | 15° | 3d·20mm | 10h | 70% | 9 | Very busy | Peak |
| August (Best) | 26° | 15° | 3d·25mm | 9h | 70% | 9 | Very busy | Peak |
| September (Best) | 24° | 14° | 6d·60mm | 8h | 73% | 7 | Very busy | Peak |
| 21° | 12° | 11d·100mm | 6h | 78% | 5 | Moderate | Shoulder | |
| 17° | 9° | 12d·130mm | 4h | 80% | 3 | Quiet | Low season | |
| 14° | 7° | 13d·150mm | 4h | 80% | 2 | Moderate | Shoulder |
View Other Months
Porto October Hotel Picks
Frequently Asked Questions
Is October a good time to visit Porto?
Porto in October is high. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Porto in October?
Porto October averages a high of 21°C and a low of 12°C.
Does it rain much in Porto in October?
Porto October averages 100mm of rainfall over about 11 rainy days.
What should I wear in Porto in October?
Autumn cool. Light coat + sweater.
What time are sunrise and sunset in Porto in October?
Porto October sunrise is 07:55 and sunset is 18:35, with 10h 40min of daylight.
What's the air quality like in Porto in October?
Porto October air quality (AQI) averages 40, rated Good. PM2.5 averages 14μg/m³.
What activities are recommended in Porto in October?
In October, Porto is great for Douro autumn foliage, Cellars, Ribeira.
Is October peak season in Porto?
Porto October crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Porto
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.