Annual mean 17°C · wettest around November · prevailing wind NW
Warmest
26.7 °C
Coldest
14.5 °C
Wettest
55%
Windiest
6.0 m/s
Prevailing
NW
5.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Portimão over the whole year is 17°C. August is the hottest month, with highs of about 27°C; January is the coldest, with lows of about 9°C. The rainy (wet) season in Portimão runs from October to April, peaking in November with a 50% chance of rain on a given day. The dry season is May to September; July is the driest month, at 5%. Winds in Portimão are highest in July, averaging 5.1 m/s (18 km/h), and lightest in October, at 3.7 m/s (13 km/h). The prevailing wind is from the NW. The clearest skies in Portimão come in August, when the sky is typically 21% covered; February is the cloudiest month, at 47%.
Month by month Portimão 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
15°C
9°C
11°C
37%
46%
3.8 m/s
21
0
77
February
16°C
10°C
13°C
42%
47%
4.0 m/s
36
0
81
March
17°C
11°C
13°C
50%
46%
4.4 m/s
39
0
79
April
19°C
13°C
16°C
39%
45%
4.3 m/s
61
2
81
May
22°C
16°C
19°C
18%
37%
4.5 m/s
75
11
71
June
24°C
18°C
22°C
17%
32%
4.9 m/s
77
22
59
July
26°C
19°C
24°C
5%
23%
5.1 m/s
70
38
42
August
27°C
19°C
25°C
6%
21%
4.9 m/s
65
44
36
September
25°C
18°C
24°C
21%
30%
3.9 m/s
78
41
42
October
23°C
16°C
20°C
29%
40%
3.7 m/s
83
16
65
November
18°C
13°C
15°C
50%
45%
3.8 m/s
57
0
81
December
16°C
11°C
13°C
48%
45%
3.9 m/s
35
0
81
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 Portimão weather by season
Year round, Portimão has days of about 15°C at their warmest in January, its coolest month, and 27°C in August, its warmest; the coolest hours of the day run from 9°C to 19°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around November and least likely around July. 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.
Portimão weather in winterDecember to February
High 16°CLow 10°CRain 42%
Winter in Portimão has typical daily highs of about 16°C and lows of about 10°C, with a 42% chance of rain on a given day.
Portimão weather in springMarch to May
High 19°CLow 13°CRain 36%
Spring in Portimão has typical daily highs of about 19°C and lows of about 13°C, with a 36% chance of rain on a given day.
Portimão weather in summerJune to August
High 25°CLow 19°CRain 9%
Summer in Portimão has typical daily highs of about 25°C and lows of about 19°C, with a 9% chance of rain on a given day.
Portimão weather in autumnSeptember to November
High 22°CLow 16°CRain 33%
Autumn in Portimão has typical daily highs of about 22°C and lows of about 16°C, with a 33% chance of rain on a given day.
When is the rainy season in Portimão?
The rainy (wet) season in Portimão runs from October to April, peaking in November with a 50% chance of rain on a given day. The dry season is May to September; July is the driest month, at 5%.
What time of year is Portimão windiest?
Winds in Portimão are highest in July, averaging 5.1 m/s (18 km/h), and lightest in October, at 3.7 m/s (13 km/h). The prevailing wind is from the NW.
What is the average temperature in Portimão year round?
The average temperature in Portimão over the whole year is 17°C. August is the hottest month, with highs of about 27°C; January is the coldest, with lows of about 9°C.