San Miguel del Monte climate — normals and trends
San Miguel del Monte (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 897 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is January (23.4 °C on average) and the coldest is July (9.2 °C). Rainfall peaks in October.
San Miguel del Monte averages 7 frost days, 39 hot days (≥ 30 °C) and 90 rainy days per year.
No statistically significant temperature trend emerges for San Miguel del Monte between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 41.5 °C (on 11 January 1957) and the coldest -7.1 °C (on 14 June 1967).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
San Miguel del MonteBuenos Aires
- coords
- -35.44°, -58.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
21.6°C
Average daily low
11.2°C
Annual rainfall
897mm
Sunshine / day
9.4h
Mean relative humidity
73%
Average peak wind
18.8km/h
Seasonal range
14.2°C
Frost days (< 0 °C)
7 d/yr
Hot days (≥ 30 °C)
39 d/yr
Rainy days (≥ 1 mm)
90 d/yr
Annual snowfall
0.0 cm
Average feels-like high
21.0 °C
Average feels-like low
9.4 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
41.5 °C
11 January 1957
Coldest day
-7.1 °C
14 June 1967
Wettest day
119 mm
7 April 1965
Windiest day
52.4 km/h
29 May 1984
Strongest gust
103.0 km/h
6 May 1994
Hottest feels-like
43.0 °C
1 February 1947
Coldest feels-like
-11.7 °C
14 June 1967
Snowiest day
0.8 cm
7 July 1960
Sunniest day
14.0 h
18 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.9 °C | +1.6 °C | 39 mm | -51 mm |
| Feb | 29.4 °C | +1.3 °C | 162 mm | +77 mm |
| Mar | 25.8 °C | 0.0 °C | 125 mm | +31 mm |
| Apr | 21.1 °C | -0.6 °C | 51 mm | -33 mm |
| May | 18.7 °C | +0.9 °C | 136 mm | +73 mm |
| Jun | 13.9 °C | -0.6 °C | 12 mm | -37 mm |
| Jul | 14.5 °C | +0.4 °C | 42 mm | -10 mm |
| Aug | 16.4 °C | +0.5 °C | 94 mm | +38 mm |
| Sep | 18.7 °C | +0.6 °C | 149 mm | +80 mm |
| Oct | 22.1 °C | +1.2 °C | 115 mm | +22 mm |
| Nov | 23.7 °C | -0.9 °C | 80 mm | -3 mm |
| Dec | 29.7 °C | +1.8 °C | 60 mm | -19 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of San Miguel del Monte?
San Miguel del Monte has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 897 mm of precipitation per year.
What is the hottest day ever recorded in San Miguel del Monte?
The hottest day measured in San Miguel del Monte between 1940 and 2025 was 11 January 1957, reaching 41.5 °C.
What is the coldest day in San Miguel del Monte?
The coldest day measured in San Miguel del Monte between 1940 and 2025 was 14 June 1967, at -7.1 °C.
Does it snow in San Miguel del Monte?
Almost never: San Miguel del Monte sees virtually no snow, with about 7 frost days per year.
Has the climate of San Miguel del Monte warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in San Miguel del Monte.
What is the wettest day in San Miguel del Monte?
The wettest day measured in San Miguel del Monte between 1940 and 2025 was 7 April 1965, with 119 mm of rain in 24 hours.
What was the windiest day in San Miguel del Monte?
The windiest day measured in San Miguel del Monte between 1940 and 2025 was 29 May 1984, with winds reaching 52.4 km/h.
What is the warmest month in San Miguel del Monte?
The warmest month in San Miguel del Monte is January (23.4 °C on average); the coldest is July (9.2 °C).
How much does it rain in San Miguel del Monte?
San Miguel del Monte receives on average 897 mm of precipitation per year, spread over about 90 rainy days.
Is it sunny in San Miguel del Monte?
San Miguel del Monte gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in San Miguel del Monte?
The heaviest 24-hour snowfall measured in San Miguel del Monte between 1940 and 2025 was 7 July 1960, with 0.8 cm.
Are there tropical nights in San Miguel del Monte?
Yes: San Miguel del Monte has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in San Miguel del Monte?
In San Miguel del Monte, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 1 February 1947, and the lowest was -11.7 °C on 14 June 1967.
Compare San Miguel del Monte with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around San Miguel del Monte