Annual mean 24°C · wettest around April · prevailing wind SE
Warmest
29.8 °C
Coldest
24.2 °C
Wettest
74%
Windiest
2.9 m/s
Prevailing
SE
2.4 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 Iaçu over the whole year is 24°C. February is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 18°C. The rainy (wet) season in Iaçu runs from November to May, peaking in April with a 67% chance of rain on a given day. The dry season is June to October; June is the driest month, at 39%. Winds in Iaçu are highest in October, averaging 2.1 m/s (8 km/h), and lightest in May, at 1.4 m/s (5 km/h). The prevailing wind is from the SE. The clearest skies in Iaçu come in March, when the sky is typically 73% covered; August is the cloudiest month, at 77%.
Month by month Iaçu 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
29°C
22°C
31°C
57%
75%
1.9 m/s
13
66
2
February
29°C
22°C
32°C
54%
75%
1.8 m/s
12
59
1
March
29°C
22°C
32°C
59%
73%
1.7 m/s
12
61
2
April
28°C
22°C
31°C
67%
74%
1.5 m/s
19
64
3
May
27°C
21°C
29°C
54%
76%
1.4 m/s
33
70
8
June
25°C
19°C
27°C
39%
75%
1.5 m/s
54
67
17
July
25°C
18°C
26°C
52%
77%
1.7 m/s
65
58
25
August
25°C
18°C
26°C
51%
77%
1.9 m/s
60
62
21
September
27°C
20°C
27°C
39%
77%
1.9 m/s
48
70
14
October
29°C
21°C
30°C
43%
73%
2.1 m/s
24
73
4
November
28°C
22°C
30°C
55%
77%
1.9 m/s
21
69
5
December
29°C
22°C
31°C
57%
74%
1.9 m/s
14
67
2
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 Iaçu weather by season
Year round, Iaçu has days of about 25°C at their warmest in July, its coolest month, and 29°C in February, its warmest; the coolest hours of the day run from 18°C to 22°C through the year, and the average temperature over the year is 24°C around the clock. Rain is most likely around April and least likely around June. 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.
Iaçu weather in winterJune to August
High 25°CLow 19°CRain 47%
Winter in Iaçu has typical daily highs of about 25°C and lows of about 19°C, with a 47% chance of rain on a given day.
Iaçu weather in springSeptember to November
High 28°CLow 21°CRain 46%
Spring in Iaçu has typical daily highs of about 28°C and lows of about 21°C, with a 46% chance of rain on a given day.
Iaçu weather in summerDecember to February
High 29°CLow 22°CRain 56%
Summer in Iaçu has typical daily highs of about 29°C and lows of about 22°C, with a 56% chance of rain on a given day.
Iaçu weather in autumnMarch to May
High 28°CLow 22°CRain 60%
Autumn in Iaçu has typical daily highs of about 28°C and lows of about 22°C, with a 60% chance of rain on a given day.
When is the rainy season in Iaçu?
The rainy (wet) season in Iaçu runs from November to May, peaking in April with a 67% chance of rain on a given day. The dry season is June to October; June is the driest month, at 39%.
What time of year is Iaçu windiest?
Winds in Iaçu are highest in October, averaging 2.1 m/s (8 km/h), and lightest in May, at 1.4 m/s (5 km/h). The prevailing wind is from the SE.
What is the average temperature in Iaçu year round?
The average temperature in Iaçu over the whole year is 24°C. February is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 18°C.