Annual mean 21°C · wettest around January · prevailing wind SE
Warmest
28.1 °C
Coldest
21.1 °C
Wettest
64%
Windiest
3.2 m/s
Prevailing
SE
2.7 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 Itanhaém over the whole year is 21°C. January is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 15°C. The rainy (wet) season in Itanhaém runs from November to March, peaking in January with a 58% chance of rain on a given day. The dry season is April to October; July is the driest month, at 16%. Winds in Itanhaém are highest in October, averaging 2.6 m/s (9 km/h), and lightest in June, at 1.8 m/s (6 km/h). The prevailing wind is from the SE. The clearest skies in Itanhaém come in July, when the sky is typically 50% covered; October is the cloudiest month, at 74%.
Month by month Itanhaém 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
28°C
22°C
30°C
58%
69%
2.2 m/s
30
55
9
February
28°C
22°C
30°C
45%
66%
2.3 m/s
32
57
8
March
28°C
21°C
30°C
52%
65%
2.2 m/s
30
61
8
April
26°C
20°C
26°C
28%
66%
2.0 m/s
56
55
23
May
24°C
17°C
24°C
29%
55%
1.9 m/s
70
39
42
June
22°C
16°C
22°C
20%
57%
1.8 m/s
77
28
55
July
22°C
15°C
21°C
16%
50%
1.9 m/s
76
23
59
August
22°C
16°C
22°C
17%
59%
2.3 m/s
71
27
55
September
25°C
18°C
25°C
33%
62%
2.4 m/s
64
40
38
October
25°C
19°C
25°C
34%
74%
2.6 m/s
63
45
32
November
25°C
20°C
26°C
40%
70%
2.5 m/s
60
47
29
December
27°C
21°C
28°C
40%
70%
2.4 m/s
41
59
11
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 Itanhaém weather by season
Year round, Itanhaém has days of about 22°C at their warmest in July, its coolest month, and 28°C in January, its warmest; the coolest hours of the day run from 15°C to 22°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around January 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.
Itanhaém weather in winterJune to August
High 22°CLow 15°CRain 18%
Winter in Itanhaém has typical daily highs of about 22°C and lows of about 15°C, with a 18% chance of rain on a given day.
Itanhaém weather in springSeptember to November
High 25°CLow 19°CRain 36%
Spring in Itanhaém has typical daily highs of about 25°C and lows of about 19°C, with a 36% chance of rain on a given day.
Itanhaém weather in summerDecember to February
High 28°CLow 21°CRain 48%
Summer in Itanhaém has typical daily highs of about 28°C and lows of about 21°C, with a 48% chance of rain on a given day.
Itanhaém weather in autumnMarch to May
High 26°CLow 19°CRain 36%
Autumn in Itanhaém has typical daily highs of about 26°C and lows of about 19°C, with a 36% chance of rain on a given day.
When is the rainy season in Itanhaém?
The rainy (wet) season in Itanhaém runs from November to March, peaking in January with a 58% chance of rain on a given day. The dry season is April to October; July is the driest month, at 16%.
What time of year is Itanhaém windiest?
Winds in Itanhaém are highest in October, averaging 2.6 m/s (9 km/h), and lightest in June, at 1.8 m/s (6 km/h). The prevailing wind is from the SE.
What is the average temperature in Itanhaém year round?
The average temperature in Itanhaém over the whole year is 21°C. January is the hottest month, with highs of about 28°C; July is the coldest, with lows of about 15°C.