Annual mean 20°C · wettest around August · prevailing wind SE
Warmest
27.7 °C
Coldest
20.3 °C
Wettest
53%
Windiest
2.8 m/s
Prevailing
SE
2.3 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 San Nicolas Buenos Aires over the whole year is 20°C. May is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 12°C. The rainy (wet) season in San Nicolas Buenos Aires runs from June to October, peaking in August with a 52% chance of rain on a given day. The dry season is November to May; February is the driest month, at 25%. Winds in San Nicolas Buenos Aires are highest in March, averaging 2.0 m/s (7 km/h), and lightest in July, at 1.6 m/s (6 km/h). The prevailing wind is from the SE. The clearest skies in San Nicolas Buenos Aires come in February, when the sky is typically 49% covered; September is the cloudiest month, at 72%.
Month by month San Nicolas Buenos Aires 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
21°C
12°C
20°C
25%
60%
1.9 m/s
76
15
68
February
22°C
13°C
21°C
25%
49%
1.8 m/s
75
27
57
March
25°C
15°C
24°C
26%
51%
2.0 m/s
68
42
40
April
27°C
17°C
26°C
27%
52%
2.0 m/s
54
53
26
May
28°C
18°C
28°C
34%
58%
1.9 m/s
46
59
16
June
26°C
18°C
26°C
48%
71%
1.7 m/s
57
50
22
July
26°C
17°C
26°C
47%
66%
1.6 m/s
61
53
22
August
26°C
17°C
26°C
52%
66%
1.6 m/s
58
52
22
September
25°C
17°C
26°C
52%
72%
1.6 m/s
59
48
24
October
24°C
16°C
25°C
39%
67%
1.7 m/s
71
41
36
November
23°C
14°C
23°C
29%
58%
1.7 m/s
79
27
54
December
22°C
13°C
21°C
25%
55%
1.7 m/s
78
24
60
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 San Nicolas Buenos Aires weather by season
Year round, San Nicolas Buenos Aires has days of about 21°C at their warmest in January, its coolest month, and 28°C in May, its warmest; the coolest hours of the day run from 12°C to 18°C through the year, and the average temperature over the year is 20°C around the clock. Rain is most likely around August and least likely around February. 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.
San Nicolas Buenos Aires weather in winterDecember to February
High 22°CLow 13°CRain 25%
Winter in San Nicolas Buenos Aires has typical daily highs of about 22°C and lows of about 13°C, with a 25% chance of rain on a given day.
San Nicolas Buenos Aires weather in springMarch to May
High 26°CLow 17°CRain 29%
Spring in San Nicolas Buenos Aires has typical daily highs of about 26°C and lows of about 17°C, with a 29% chance of rain on a given day.
San Nicolas Buenos Aires weather in summerJune to August
High 26°CLow 17°CRain 49%
Summer in San Nicolas Buenos Aires has typical daily highs of about 26°C and lows of about 17°C, with a 49% chance of rain on a given day.
San Nicolas Buenos Aires weather in autumnSeptember to November
High 24°CLow 16°CRain 40%
Autumn in San Nicolas Buenos Aires has typical daily highs of about 24°C and lows of about 16°C, with a 40% chance of rain on a given day.
When is the rainy season in San Nicolas Buenos Aires?
The rainy (wet) season in San Nicolas Buenos Aires runs from June to October, peaking in August with a 52% chance of rain on a given day. The dry season is November to May; February is the driest month, at 25%.
What time of year is San Nicolas Buenos Aires windiest?
Winds in San Nicolas Buenos Aires are highest in March, averaging 2.0 m/s (7 km/h), and lightest in July, at 1.6 m/s (6 km/h). The prevailing wind is from the SE.
What is the average temperature in San Nicolas Buenos Aires year round?
The average temperature in San Nicolas Buenos Aires over the whole year is 20°C. May is the hottest month, with highs of about 28°C; January is the coldest, with lows of about 12°C.