Porto Weather in March
Porto in March sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 10°C (50°F). Rainfall is fairly high this month at around 114 mm (4.5 in), so pack a rain jacket to stay dry.
Rainfall in Porto in March
Records from the past 30 years suggest around 15 days of rain, with 114 mm (4.5 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Porto in March
In March, Porto gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Porto in March
The city usually sees around 194 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Porto in March
Wind speeds average 5 m/s (10 knots) during March. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in March
The water is 13°C (55°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Porto. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Porto's climate page.
Porto Temperature in March
Min Temperature
10°C (50°F)
Max Temperature
17°C (63°F)
Water Temperature
13°C (55°F)
Chance of Rain
50%
Precipitation
114 mm (4.5 in)
Rainy days
15 days
Humidity
75%
Windspeed
5 m/s (10 knots)
Sunshine
194 hours
Percentage Sunshine
49%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Porto typically stay consistent throughout March, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).
Average temperatures in March
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Porto in March
Browse day-by-day weather records for Porto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Porto historical weather extremes in March
According to our 34 years of weather records for Porto, the following extremes were recorded between 1992 and 2026.
- Porto recorded its highest March temperature of 29°C (84°F) on March 31, 2021.
- On March 1, 1993, Porto saw its coldest March day with temperatures maxing out at 9°C (48°F).
- Porto registered its coldest March night on March 1, 1993, with temperatures dropping to -2°C (28°F).
- The wettest day in March Porto was on March 29, 2013 with 68 mm (2.7 in) of precipitation.
Best Places in Portugal in March
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in March →
perfect weather
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tolerable
unpleasant
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What to Wear in Porto in March
Pleasant temperatures in March mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 13°C (55°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Porto in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Porto's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Porto climate overview or explore weather in Portugal.
