If you plan to visit Porto in October, the weather is typically alright, with an average high temperature of +68°F during the day and approximately 10 sunny days. Expect some rainy, though, as there are typically 14 rainy days in the month and around 145 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+68°F
Avg. max. temperature
+37°F
Min.
+90°F
Max.
145 mm
Total precipitation
78%
Avg. humidity
2 m/s
Avg. wind
10 ☀️
Sunny Days
6 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Porto has OK weather in October.
Average temperature in Porto in October
Here are the expected maximum, average and minimum temperatures in Porto for October based on the historical data.
Last Year
Historical Data
Going from a maximum of +88°F during the day to a minimum of +54°F during the night, the temperature in October averages around +72°F.
The average maximum temperature goes down 58% by the end of the month, compared with the beginning of the month, from +84°F to +64°F.
Is Porto warm or cold in October?
Porto is typically mild in October.
Maximum temperatures go down compared to the previous month from +73°F to +68°F. The minimum temperature also goes down from +61°F to +57°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Porto:
Water temperature in Porto in October
Water in Porto in October is Fresh. It varies from +60°F to +68°F, with an average of +64°F.This is almost similar to the air temperature, which averages +68°F.
The water temperature in October is one of the warmest of the entire year:
The warmest water temperatures in Porto are reached in September, when the average sea temperature rises to +65°F. The coldest water temperatures are in February, with an average of +57°F.
Can you swim in Porto in October?
Water temperature (+64°F) in Porto in October might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.
Climate in Porto in October
Porto weather looks like this, on average, in October and the surrounding months.
September
October
November
Avg. temperature
+73°F
+68°F
+61°F
Min. temperature
+45°F
+37°F
+34°F
Max. temperature
+97°F
+90°F
+75°F
Rainfall
55 mm
145 mm
151 mm
Wind
2 m/s
2 m/s
2 m/s
Avg. water temperature
+65°F
+64°F
+62°F
Humidity
77%
78%
79%
Air pressure
1016 HPa
1015 HPa
1017 HPa
Sunny days
12
10
9
Cloudy days
8
6
5
Rainy days
9
14
15
Snowy days
0
0
0
October typically has worse weather conditions compared to September.It’s getting colder in October. From +73°F in the day, the average maximum temperature lowers to +68°F.Prepare for more rain. Average rainfall goes from 55 mm to 145 mm.Humidity rises from 77% to 78%.The average wind speed doesn’t change much during October, staying around 2 m/s.The days becoming less sunny, going from 12 sunny days in September to 10 in October.
November brings much the same weather, it remains ok.
Wind speed in Porto in October based on historical data.
Last Year
Historical Data
The average wind speed is 4 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Porto is gradually increasing during October, going from 1 m/s to 5 m/s over the course of the month.
Rain
Amount of rainfall in mm during October in Porto based on historical data.
Last Year
Historical Data
Typically, there is a 65% chance of rain on an average day in October, with total rainfall of approximately 438 mm. The maximum amount of rainfall per day is around 59 mm, which is considered heavy rain.October is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
October is one of the rainiest months in Porto, here is a comparison with other months, total mm:
Porto wettest month is November, where a typical day has a 50% chance of precipitation and 151 mm of rainfall per day. July, on the other hand, is the driest month with a mere 19% chance of precipitation and 14 mm of rainfall per day.
How was the weather last October in Porto?
This is the weather in Porto in October 2023:
1 October
☀️
+84°F
2 October
☀️
+74°F
3 October
☀️
+75°F
4 October
☀️
+75°F
5 October
☀️
+72°F
6 October
☀️
+82°F
7 October
☀️
+83°F
8 October
☀️
+83°F
9 October
☀️
+88°F
10 October
☀️
+84°F
11 October
☀️
+82°F
12 October
☀️
+85°F
13 October
🌧️
+74°F
14 October
🌧️
+73°F
15 October
🌧️
+67°F
16 October
🌧️
+71°F
17 October
🌧️
+71°F
18 October
🌧️
+69°F
19 October
🌧️
+66°F
20 October
🌧️
+61°F
21 October
🌧️
+64°F
22 October
🌧️
+66°F
23 October
🌧️
+62°F
24 October
🌧️
+65°F
25 October
🌧️
+66°F
26 October
🌧️
+66°F
27 October
🌧️
+64°F
28 October
🌧️
+65°F
29 October
🌧️
+64°F
30 October
🌧️
+66°F
31 October
☁️
+65°F
In October 2023 Porto had 12 sunny days, 1 cloudy days, and 18 rainy days. The average maximum temperature was +72°F, with an absolute maximum of +88°F and a minimum of +61°F. The average humidity was 85%, with a maximum of 100% and a minimum of 52%. The average wind speed was 4 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in October?
Climate Change Over the Years
This is how Porto climate has changed over the last 43 years.
The climate in Porto in October has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+63°F) and the highest in 2022 (+67°F). The driest year was 2007 with only 565 mm of rainfall, and the wettest year was 2022 with 1854 mm.
FAQ
Frequently asked questions about the weather in Porto in October:
Is October a good time to visit Porto?
It’s always a good time to visit Porto, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Porto in October?
October has mild temperatures in Porto. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Porto in October?
In general, you can swim in Porto in October, if you want to, at an average water temperature of +64°F. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.
Is Porto rainy in October?
Porto is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Porto in October?
The amount of sunny days in Porto during October varies; prepare for a mix of clouds and sun.
Other cities in Portugal
Check out the weather for other cities in Portugal.
For this page, we’ve looked at the typical weather in Porto, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.