yearsofweather

Porto in July:
warm, only a little rain

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

Mean high26°Hottest day 37.1° (2013)
Mean low16°Coldest night 9.9° (2017)
Rain days2 days0-5 by year
Rainfall12mmDaylight 15.1 → 14.4 h
Porto's 12 months iBest: June to August
Trip types Beach Poorcool seaSightseeing on foot Goodmild and mostly dry
Sea temperature16.7°16.2-17.2° by year (last 6)
Sunrise / sunset (15th)06:14 / 21:06Daylight 15.1 → 14.4 h

Porto in July

A dry, sunny month, though the Atlantic breeze keeps the beaches cool. The northerly wind blows hard on some days, so a thin windbreaker is useful. A good dry stretch for winery tours in the Douro.

Highs of 26°C and lows of 16°C: short sleeves by day, with mild nights. Rain fell on only 2 days on average. July could skip rain entirely: 4 of 20 years had none, while 2007 had 5 rain days.

Daylight lasted 14.4 to 15.1 hours a day, so evenings stayed bright. Highs passed 30°C on 5 days on average. Not every year was typical: 2020 ran 3.2°C warmer than the mean, with highs of 28.9°C.

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

Date by date i

‹ June July 2027 August ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-3rain on 10% of days24° 15°
4-10rain on 9% of days25° 16°
11-17rain on 4% of days26° 16°
18-24rain on 9% of days25° 16°
25-31rain on 5% of days26° 16°

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

1-3rain on 10% of days24° 15°
4-10rain on 9% of days25° 16°
11-17rain on 4% of days26° 16°
18-24rain on 9% of days25° 16°
25-31rain on 5% of days26° 16°
Tap another date to change

2006none
20071mm
2008none
2009none
2010none
2011none
2012none
2013none
20143mm
2015none
2016none
2017none
201822mm
2019none
2020none
2021none
2022none
2023none
2024none
2025none
Holidays in July (2027)
  • July 3 to July 5 Independence Day weekend

1 US holidays (flights fill up)

Day by day temperature i

14°22°31°39° 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
0 d 0 d
2007
0 d 5 d
2008
1 d 4 d
2009
1 d 3 d
2010
1 d 1 d
2011
2 d 3 d
2012
1 d 1 d
2013
0 d 2 d
2014
1 d 5 d
2015
0 d 0 d
2016
0 d 0 d
2017
1 d 2 d
2018
1 d 3 d
2019
0 d 2 d
2020
0 d 0 d
2021
1 d 3 d
2022
0 d 1 d
2023
1 d 2 d
2024
1 d 4 d
2025
0 d 2 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
3
2
1
1
2
2
1
3
2
1
1
0
1
2
2
0
0
2
3
2
0
2
3
0
2
0
2
1
1
0
1
Rain days on trip
00111210100110010110

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

One row per year, one cell per day. 2006 had 0 rain days, 2007 had 5.

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 July?

Over the past 20 years July averaged 2 rain days (1 mm or more) out of 31. Individual years ran from 0 in the driest to 5 in the wettest.

What should I wear in Porto in July?

Days averaged 26°C and nights 16°C. Pack a light layer for the evenings, T-shirts, and sunscreen plus a hat.

Can you swim in Porto in July?

Sea surface temperature averaged 16.7°C in July, too cold for most people without a wetsuit. Year to year it ranged 16.2-17.2°C. Check local flags for waves and jellyfish on the day.

Is July a good time to visit Porto?

On warmth and rain days alone, Porto's easiest months were June to August. July ranked 2 of 12, close to the top.