Mild
Average highs are around 22°C, so days are mild rather than hot.
Weather Guide
Portugal Average Monthly Weather
Weather score51Mixed annual avg
Best months: August, July, September
Across the year, average daytime temperatures are around 21°C, sunshine averages 7.3h per day, and rainfall totals about 809mm. Sea temperatures average 11°C across the year.
Annual weather
Annual averages
Temp
21°C
Rain
809mm
Annual total
Sun
7.3h
Sea
11°C
Weather score
51
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 85mm, so some wet days are possible.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Portugal with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October22°C average high
October is close to Portugal's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
October85mm average rain
October is wetter than Portugal's yearly average, so flexible plans matter more.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October6.4 hours average sun
October is below Portugal's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October13°C average sea
October sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to October
Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.
Weather score
October53 weather score
October sits close to Portugal's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
Hotels near Portugal
Marriott
Sheraton Cascais ResortCascais, Portugal
The Ritz-Carlton, Penha Longa ResortSintra, Portugal
Moxy Alfragide LisboaLisboa, Portugal
Altis Belém Hotel & Spa, a Member of Design Hotels™Lisbon, Portugal
Lisbon Marriott HotelLisbon, Portugal
Memmo Principe Real, Lisbon, a Member of Design Hotels™Lisbon, Portugal