Weather in Porto in March 2025
- March is usually the driest month of the year in Porto
Average weather
Average temperature in Porto in March
The expected average maximum temperature in March is +16°C with a maximum of +23°C and a minimum of +3°C.
The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +11°C to +16°C.
Is Porto warm or cold in March?
Porto is typically mild in March.
Maximum temperatures go up compared to the previous month from +14°C to +16°C. The minimum temperature also goes up from +8°C to +9°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how March is compared to other months in Porto:
Water temperature in Porto in March
Water in Porto in March is Cold. It varies from +12°C to +15°C, with an average of +14°C. This is almost similar to the air temperature, which averages +16°C.
The water temperature in March is one of the coldest of the entire year:
Can you swim in Porto in March?
Climate in Porto in March
| February | March | April | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +14°C | +16°C | +17°C | ||||
| Min. temperature | ||||||
| 0°C | 0°C | +3°C | ||||
| Max. temperature | ||||||
| +23°C | +28°C | +30°C | ||||
| Rainfall | ||||||
| 102 mm | 90 mm | 103 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +14°C | +14°C | +15°C | ||||
| Humidity | ||||||
| 76% | 74% | 74% | ||||
| Air pressure | ||||||
| 1019 HPa | 1017 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 10 | 11 | 9 | ||||
| Cloudy days | ||||||
| 5 | 6 | 5 | ||||
| Rainy days | ||||||
| 12 | 13 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
March often has better weather than February. It’s getting warmer as March arrives. The average maximum temperature goes up from +14°C to +16°C during the day. As March arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 102 mm to 90 mm. It feels drier, as humidity decreases from 76% to 74%. The average wind speed doesn’t change much during March, staying around 3 m/s. The good news is there are likely to be more sunny days in March, from 10 to 11.
April brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 8 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 March, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last March in Porto?
Climate Change over Years
The climate in Porto in March has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+17°C) and the highest in 2022 (+20°C). The driest year was 2007 with only 565 mm of rainfall, and the wettest year was 2022 with 1854 mm.
FAQ
Is March a good time to visit Porto?
Can you sunbathe in Porto in March?
Can you swim in Porto in March?
Is Porto rainy in March?
Is it sunny in Porto in March?
Other cities in Portugal
Monthly weather in Porto
Source of the data
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.