Annual mean 27°C · wettest around March · prevailing wind E
Warmest
33.7 °C
Coldest
28.5 °C
Wettest
79%
Windiest
8.0 m/s
Prevailing
E
2.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Porto over the whole year is 27°C. October is the hottest month, with highs of about 34°C; August is the coldest, with lows of about 22°C. The rainy (wet) season in Porto runs from December to June, peaking in March with a 65% chance of rain on a given day. The dry season is July to November; August is the driest month, at 15%. Winds in Porto are highest in February, averaging 1.7 m/s (6 km/h), and lightest in April, at 0.9 m/s (3 km/h). The prevailing wind is from the E. The clearest skies in Porto come in August, when the sky is typically 28% covered; March is the cloudiest month, at 72%.
Month by month Porto climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
30°C
24°C
34°C
50%
66%
1.4 m/s
1
36
0
February
29°C
24°C
32°C
59%
68%
1.7 m/s
1
40
0
March
29°C
24°C
34°C
65%
72%
1.0 m/s
1
35
0
April
30°C
24°C
34°C
59%
60%
0.9 m/s
0
31
0
May
30°C
23°C
34°C
48%
50%
0.9 m/s
0
32
0
June
30°C
23°C
34°C
45%
39%
1.1 m/s
1
47
0
July
30°C
22°C
33°C
34%
34%
1.1 m/s
1
57
0
August
32°C
22°C
34°C
15%
28%
1.2 m/s
1
42
0
September
33°C
23°C
35°C
27%
28%
1.5 m/s
0
25
0
October
34°C
24°C
36°C
26%
34%
1.7 m/s
0
15
0
November
34°C
24°C
36°C
27%
46%
1.7 m/s
0
16
0
December
32°C
25°C
35°C
45%
52%
1.7 m/s
1
28
0
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Porto weather by season
Year round, Porto has days of about 29°C at their warmest in February, its coolest month, and 34°C in October, its warmest; the coolest hours of the day run from 22°C to 25°C through the year, and the average temperature over the year is 27°C around the clock. Rain is most likely around March and least likely around August. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Porto weather in winterJune to August
High 31°CLow 22°CRain 31%
Winter in Porto has typical daily highs of about 31°C and lows of about 22°C, with a 31% chance of rain on a given day.
Porto weather in springSeptember to November
High 33°CLow 24°CRain 27%
Spring in Porto has typical daily highs of about 33°C and lows of about 24°C, with a 27% chance of rain on a given day.
Porto weather in summerDecember to February
High 31°CLow 24°CRain 52%
Summer in Porto has typical daily highs of about 31°C and lows of about 24°C, with a 52% chance of rain on a given day.
Porto weather in autumnMarch to May
High 30°CLow 24°CRain 57%
Autumn in Porto has typical daily highs of about 30°C and lows of about 24°C, with a 57% chance of rain on a given day.
When is the rainy season in Porto?
The rainy (wet) season in Porto runs from December to June, peaking in March with a 65% chance of rain on a given day. The dry season is July to November; August is the driest month, at 15%.
What time of year is Porto windiest?
Winds in Porto are highest in February, averaging 1.7 m/s (6 km/h), and lightest in April, at 0.9 m/s (3 km/h). The prevailing wind is from the E.
What is the average temperature in Porto year round?
The average temperature in Porto over the whole year is 27°C. October is the hottest month, with highs of about 34°C; August is the coldest, with lows of about 22°C.