Daytime highs, nighttime lows and the warmest cities in the Douro Valley, Portugal this March.
The Douro Valley, Portugal, a region in Portugal, typically experiences mild weather in March, with maximum daytime temperatures around 17°C (63°F) and nighttime temperatures around 10°C (50°F) in Porto.
To get a sense of March's typical temperatures in the key spots of the Douro Valley, explore the map below. Click on a point for an in-depth look.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Douro Valley.
Marker color shows the average daytime high temperature in March: blue is cold, red is hot.
Expect daytime temperatures around 17°C (63°F) in Porto. That makes March a moderate month for the Douro Valley, Portugal.
Nighttime temperatures in Porto typically drop to around 10°C (50°F) in March.
Porto enjoys close to 194 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.
The water temperature averages approximately 13°C (55°F) in Porto this month, generally too cold for comfortable swimming.
We have much more information about the climate in the Douro Valley.
Weather and climate has detailed information for every country in the world. Are you going to Portugal? Get detailed historical weather averages for many cities in Portugal.
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