Annual mean 19°C · wettest around October · prevailing wind SE
Warmest
28.8 °C
Coldest
15.8 °C
Wettest
72%
Windiest
3.5 m/s
Prevailing
SE
2.9 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 Arroio dos Ratos over the whole year is 19°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 11°C. Arroio dos Ratos has no sharply defined rainy season: the chance of rain on a given day runs from 35% in April, the driest month, to 51% in October, the wettest. Winds in Arroio dos Ratos are highest in October, averaging 2.9 m/s (10 km/h), and lightest in May, at 2.1 m/s (8 km/h). The prevailing wind is from the SE. The clearest skies in Arroio dos Ratos come in February, when the sky is typically 48% covered; September is the cloudiest month, at 63%.
Month by month Arroio dos Ratos 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
21°C
30°C
46%
52%
2.8 m/s
30
56
8
February
28°C
21°C
30°C
35%
48%
2.5 m/s
31
57
10
March
27°C
20°C
28°C
38%
53%
2.4 m/s
45
57
17
April
24°C
17°C
24°C
35%
54%
2.3 m/s
69
41
40
May
20°C
14°C
19°C
45%
56%
2.1 m/s
71
15
67
June
17°C
12°C
16°C
41%
58%
2.1 m/s
53
11
70
July
17°C
11°C
15°C
36%
53%
2.1 m/s
49
9
70
August
19°C
12°C
17°C
50%
53%
2.2 m/s
59
13
69
September
20°C
15°C
19°C
48%
63%
2.7 m/s
68
16
65
October
22°C
16°C
22°C
51%
60%
2.9 m/s
74
24
56
November
25°C
18°C
25°C
43%
51%
2.9 m/s
64
43
35
December
27°C
20°C
28°C
38%
51%
2.9 m/s
44
52
20
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 Arroio dos Ratos weather by season
Year round, Arroio dos Ratos has days of about 17°C at their warmest in July, its coolest month, and 29°C in January, its warmest; the coolest hours of the day run from 11°C to 21°C through the year, and the average temperature over the year is 19°C around the clock. Rain is most likely around October and least likely around April. 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.
Arroio dos Ratos weather in winterJune to August
High 17°CLow 12°CRain 42%
Winter in Arroio dos Ratos has typical daily highs of about 17°C and lows of about 12°C, with a 42% chance of rain on a given day.
Arroio dos Ratos weather in springSeptember to November
High 22°CLow 16°CRain 47%
Spring in Arroio dos Ratos has typical daily highs of about 22°C and lows of about 16°C, with a 47% chance of rain on a given day.
Arroio dos Ratos weather in summerDecember to February
High 28°CLow 21°CRain 40%
Summer in Arroio dos Ratos has typical daily highs of about 28°C and lows of about 21°C, with a 40% chance of rain on a given day.
Arroio dos Ratos weather in autumnMarch to May
High 23°CLow 17°CRain 39%
Autumn in Arroio dos Ratos has typical daily highs of about 23°C and lows of about 17°C, with a 39% chance of rain on a given day.
When is the rainy season in Arroio dos Ratos?
Arroio dos Ratos has no sharply defined rainy season: the chance of rain on a given day runs from 35% in April, the driest month, to 51% in October, the wettest.
What time of year is Arroio dos Ratos windiest?
Winds in Arroio dos Ratos are highest in October, averaging 2.9 m/s (10 km/h), and lightest in May, at 2.1 m/s (8 km/h). The prevailing wind is from the SE.
What is the average temperature in Arroio dos Ratos year round?
The average temperature in Arroio dos Ratos over the whole year is 19°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 11°C.