yearsofweather

Porto in March:
cool, frequent rain

Porto, Portugal · Records from 2006 to 2025. Not a forecast.

Mean high17°Hottest day 28.3° (2021)
Mean low9°Coldest night 1.2° (2023)
Rain days11 days2-26 by year
Rainfall110mmDaylight 11.3 → 12.6 h
Porto's 12 months iBest: June to August
Trip types Beach Poorcool seaSightseeing on foot Finemild
Sea temperature14.1°13.6-14.5° by year (last 6)
Sunrise / sunset (15th)06:47 / 18:41Daylight 11.3 → 12.6 h

Porto in March

After the winter storms, clear days begin to increase, though rain is still common. Daylight stretches and the city perks up. If Easter is early, Holy Week processions happen at the end of the month.

Highs averaged 17°C and lows 9°C, an easy range for walking around all day. Rain fell on 11 days of the month on average. The average is 11, but individual years ran from 2 (2009) to 26 (2018).

March 2009 averaged 19.2°C by day, 2.3°C above the 20-year mean. Cold snaps happened: the record low for March was 1.2°C, set in 2023.

Hurricanes i No tropical storm passed within 300 km in this month over the last 20 years. Hurricanes: September

Date by date i

‹ February March 2027 April ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-6rain on 49% of days15° 8°
7-13rain on 34% of days17° 8°
14-20rain on 24% of days17° 8°
21-27rain on 34% of days17° 9°
28-31rain on 44% of days17° 9°

0-5/206-8/209-11/2012-20/20

1-6rain on 49% of days15° 8°
7-13rain on 34% of days17° 8°
14-20rain on 24% of days17° 8°
21-27rain on 34% of days17° 9°
28-31rain on 44% of days17° 9°
Tap another date to change

200612mm
20072mm
2008none
2009none
2010none
2011none
20127mm
2013none
20147mm
20154mm
2016none
201720mm
201815mm
20195mm
202012mm
2021none
20229mm
2023none
20243mm
20251mm
Holidays in March (2027)
  • March 26 Good Friday
  • March 28 Easter Sunday

1 Local public holiday or break (busier, pricier)

Day by day temperature i

6°14°22°30° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
1 d 18 d
2007
1 d 7 d
2008
3 d 10 d
2009
0 d 2 d
2010
1 d 13 d
2011
2 d 9 d
2012
0 d 3 d
2013
6 d 20 d
2014
0 d 10 d
2015
0 d 3 d
2016
2 d 12 d
2017
0 d 11 d
2018
7 d 26 d
2019
1 d 4 d
2020
0 d 10 d
2021
1 d 3 d
2022
7 d 17 d
2023
6 d 15 d
2024
4 d 17 d
2025
6 d 14 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
8
9
12
12
9
9
10
6
9
7
7
5
4
4
7
3
7
5
4
4
5
6
5
8
9
8
7
8
7
10
10
Rain days on trip
11301206002071017646

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2009 had 2 rain days, 2018 had 26.

Porto through the year

MonthHighLowRain daysRainfallSea
January 14°7°12 days148mm 14°
February 16°7°11 days118mm 14°
March 17°9°11 days110mm 14°
April 19°11°10 days100mm 15°
May 21°12°8 days69mm 16°
JuneGood 23°15°6 days39mm 17°
JulyGood 26°16°2 days12mm 17°
AugustGood 26°16°2 days11mm 17°
September 25°15°6 days67mm 17°
October 22°14°11 days142mm 17°
November 17°10°13 days172mm 17°
December 15°8°13 days144mm 15°

Common questions

Does it rain a lot in Porto in March?

Over the past 20 years March averaged 11 rain days (1 mm or more) out of 31. Individual years ran from 2 in the driest to 26 in the wettest.

What should I wear in Porto in March?

Days averaged 17°C and nights 9°C. Pack a compact umbrella, a waterproof jacket, and a sweater plus a light jacket.

Can you swim in Porto in March?

Sea surface temperature averaged 14.1°C in March, too cold for most people without a wetsuit. Year to year it ranged 13.6-14.5°C. Check local flags for waves and jellyfish on the day.

Is March a good time to visit Porto?

On warmth and rain days alone, Porto's easiest months were June to August. March ranked 8 of 12.