Cool
Average highs are around 16°C, so pack for cooler days.
March verdict
Porto, Portugal in March
Weather score27Poor
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 112mm, so some wet days are possible.
March weather
Monthly averages
Temp
16°C
Rain
112mm
Sun
6h
Sea
14°C
Weather score
27
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 112mm, so some wet days are possible.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Porto, Portugal with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March16°C average high
March is on the cooler side of Porto's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
March112mm average rain
March sits near Porto's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
March6 hours average sun
March is below Porto's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
March14°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJune to October
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
March27 weather score
March scores below Porto's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
