Annual mean 18°C · wettest around March · prevailing wind E
Warmest
29.0 °C
Coldest
14.4 °C
Wettest
29%
Windiest
5.3 m/s
Prevailing
E
4.1 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 Arroyito over the whole year is 18°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 6°C. The rainy (wet) season in Arroyito runs from October to April, peaking in March with a 32% chance of rain on a given day. The dry season is May to September; August is the driest month, at 10%. Winds in Arroyito are highest in September, averaging 3.6 m/s (13 km/h), and lightest in May, at 2.5 m/s (9 km/h). The prevailing wind is from the E. The clearest skies in Arroyito come in August, when the sky is typically 40% covered; April is the cloudiest month, at 55%.
Month by month Arroyito 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
20°C
29°C
32%
46%
2.8 m/s
35
59
12
February
28°C
19°C
28°C
31%
44%
2.7 m/s
40
51
18
March
26°C
18°C
26°C
32%
50%
2.6 m/s
52
42
31
April
22°C
14°C
20°C
29%
55%
2.6 m/s
72
21
61
May
18°C
10°C
16°C
20%
55%
2.5 m/s
54
7
75
June
16°C
7°C
12°C
13%
48%
2.7 m/s
34
2
74
July
15°C
6°C
12°C
11%
52%
2.8 m/s
29
1
71
August
19°C
8°C
14°C
10%
40%
3.3 m/s
40
5
74
September
22°C
11°C
17°C
19%
43%
3.6 m/s
62
11
69
October
23°C
14°C
20°C
24%
47%
3.5 m/s
66
21
59
November
27°C
17°C
24°C
30%
47%
3.6 m/s
60
44
34
December
28°C
19°C
27°C
29%
44%
3.2 m/s
49
53
23
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 Arroyito weather by season
Year round, Arroyito has days of about 15°C at their warmest in July, its coolest month, and 29°C in January, its warmest; the coolest hours of the day run from 6°C to 20°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around March 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.
Arroyito weather in winterJune to August
High 17°CLow 7°CRain 11%
Winter in Arroyito has typical daily highs of about 17°C and lows of about 7°C, with a 11% chance of rain on a given day.
Arroyito weather in springSeptember to November
High 24°CLow 14°CRain 24%
Spring in Arroyito has typical daily highs of about 24°C and lows of about 14°C, with a 24% chance of rain on a given day.
Arroyito weather in summerDecember to February
High 28°CLow 20°CRain 31%
Summer in Arroyito has typical daily highs of about 28°C and lows of about 20°C, with a 31% chance of rain on a given day.
Arroyito weather in autumnMarch to May
High 22°CLow 14°CRain 27%
Autumn in Arroyito has typical daily highs of about 22°C and lows of about 14°C, with a 27% chance of rain on a given day.
When is the rainy season in Arroyito?
The rainy (wet) season in Arroyito runs from October to April, peaking in March with a 32% chance of rain on a given day. The dry season is May to September; August is the driest month, at 10%.
What time of year is Arroyito windiest?
Winds in Arroyito are highest in September, averaging 3.6 m/s (13 km/h), and lightest in May, at 2.5 m/s (9 km/h). The prevailing wind is from the E.
What is the average temperature in Arroyito year round?
The average temperature in Arroyito over the whole year is 18°C. January is the hottest month, with highs of about 29°C; July is the coldest, with lows of about 6°C.