Annual mean 15°C · wettest around December · prevailing wind NW
Warmest
24.9 °C
Coldest
12.4 °C
Wettest
45%
Windiest
5.3 m/s
Prevailing
NW
3.9 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
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 Ílhavo over the whole year is 15°C. August is the hottest month, with highs of about 24°C; January is the coldest, with lows of about 8°C. The rainy (wet) season in Ílhavo runs from October to April, peaking in December with a 38% chance of rain on a given day. The dry season is May to September; August is the driest month, at 9%. Winds in Ílhavo are highest in March, averaging 3.4 m/s (12 km/h), and lightest in September, at 2.7 m/s (10 km/h). The prevailing wind is from the NW. The clearest skies in Ílhavo come in July, when the sky is typically 49% covered; December is the cloudiest month, at 58%.
Month by month Ílhavo 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
13°C
8°C
10°C
37%
58%
3.1 m/s
15
2
67
February
14°C
8°C
11°C
33%
57%
3.0 m/s
25
0
75
March
15°C
9°C
12°C
37%
57%
3.4 m/s
30
0
74
April
17°C
11°C
14°C
32%
56%
3.2 m/s
46
2
77
May
20°C
14°C
18°C
21%
53%
3.1 m/s
68
10
75
June
21°C
15°C
20°C
17%
54%
3.0 m/s
77
15
70
July
24°C
17°C
23°C
10%
49%
3.0 m/s
76
28
55
August
24°C
17°C
23°C
9%
52%
2.9 m/s
79
33
49
September
23°C
15°C
22°C
17%
50%
2.7 m/s
81
27
57
October
20°C
14°C
19°C
29%
55%
2.8 m/s
76
11
71
November
15°C
10°C
13°C
36%
58%
3.0 m/s
42
0
78
December
14°C
9°C
11°C
38%
58%
3.1 m/s
21
0
74
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 Ílhavo weather by season
Year round, Ílhavo has days of about 13°C at their warmest in January, its coolest month, and 24°C in August, its warmest; the coolest hours of the day run from 8°C to 17°C through the year, and the average temperature over the year is 15°C around the clock. Rain is most likely around December 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.
Ílhavo weather in winterDecember to February
High 14°CLow 8°CRain 36%
Winter in Ílhavo has typical daily highs of about 14°C and lows of about 8°C, with a 36% chance of rain on a given day.
Ílhavo weather in springMarch to May
High 17°CLow 11°CRain 30%
Spring in Ílhavo has typical daily highs of about 17°C and lows of about 11°C, with a 30% chance of rain on a given day.
Ílhavo weather in summerJune to August
High 23°CLow 16°CRain 12%
Summer in Ílhavo has typical daily highs of about 23°C and lows of about 16°C, with a 12% chance of rain on a given day.
Ílhavo weather in autumnSeptember to November
High 20°CLow 13°CRain 28%
Autumn in Ílhavo has typical daily highs of about 20°C and lows of about 13°C, with a 28% chance of rain on a given day.
When is the rainy season in Ílhavo?
The rainy (wet) season in Ílhavo runs from October to April, peaking in December with a 38% chance of rain on a given day. The dry season is May to September; August is the driest month, at 9%.
What time of year is Ílhavo windiest?
Winds in Ílhavo are highest in March, averaging 3.4 m/s (12 km/h), and lightest in September, at 2.7 m/s (10 km/h). The prevailing wind is from the NW.
What is the average temperature in Ílhavo year round?
The average temperature in Ílhavo over the whole year is 15°C. August is the hottest month, with highs of about 24°C; January is the coldest, with lows of about 8°C.