General Juan Madariaga climate — normals and trends
General Juan Madariaga (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 15.0 °C and it receives 830 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 (21.6 °C on average) and the coldest is July (8.6 °C). Rainfall peaks in January.
General Juan Madariaga averages 5 frost days, 20 hot days (≥ 30 °C) and 95 rainy days per year.
No statistically significant temperature trend emerges for General Juan Madariaga between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 40.6 °C (on 14 January 2022) and the coldest -5.6 °C (on 18 July 1995).
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
General Juan MadariagaBuenos Aires
- coords
- -37.00°, -57.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.0°C
Average daily high
20.0°C
Average daily low
10.7°C
Annual rainfall
830mm
Sunshine / day
9.5h
Mean relative humidity
76%
Average peak wind
20.5km/h
Seasonal range
13.0°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
0.0 cm
Average feels-like high
19.1 °C
Average feels-like low
8.7 °C
Average peak gust
38.9 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
16.6 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
40.6 °C
14 January 2022
Coldest day
-5.6 °C
18 July 1995
Wettest day
115 mm
24 November 1941
Windiest day
58.7 km/h
5 February 2017
Strongest gust
103.3 km/h
6 May 1994
Hottest feels-like
43.1 °C
21 January 1953
Coldest feels-like
-9.7 °C
18 July 1995
Snowiest day
1.0 cm
29 June 2025
Sunniest day
14.3 h
12 December 2020
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 | 27.8 °C | +0.6 °C | 29 mm | -58 mm |
| Feb | 29.1 °C | +2.7 °C | 50 mm | -33 mm |
| Mar | 24.6 °C | +0.4 °C | 135 mm | +54 mm |
| Apr | 19.7 °C | -0.8 °C | 50 mm | -21 mm |
| May | 17.8 °C | +1.0 °C | 93 mm | +38 mm |
| Jun | 12.8 °C | -0.8 °C | 38 mm | -11 mm |
| Jul | 13.0 °C | 0.0 °C | 53 mm | 0 mm |
| Aug | 14.8 °C | +0.3 °C | 80 mm | +25 mm |
| Sep | 16.8 °C | +0.3 °C | 102 mm | +42 mm |
| Oct | 20.6 °C | +1.3 °C | 142 mm | +65 mm |
| Nov | 22.0 °C | -0.6 °C | 70 mm | -13 mm |
| Dec | 27.1 °C | +1.5 °C | 94 mm | +18 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 General Juan Madariaga?
General Juan Madariaga has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 830 mm of precipitation per year.
What is the hottest day ever recorded in General Juan Madariaga?
The hottest day measured in General Juan Madariaga between 1940 and 2025 was 14 January 2022, reaching 40.6 °C.
What is the coldest day in General Juan Madariaga?
The coldest day measured in General Juan Madariaga between 1940 and 2025 was 18 July 1995, at -5.6 °C.
Does it snow in General Juan Madariaga?
Almost never: General Juan Madariaga sees virtually no snow, with about 5 frost days per year.
Has the climate of General Juan Madariaga warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in General Juan Madariaga.
What is the wettest day in General Juan Madariaga?
The wettest day measured in General Juan Madariaga between 1940 and 2025 was 24 November 1941, with 115 mm of rain in 24 hours.
What was the windiest day in General Juan Madariaga?
The windiest day measured in General Juan Madariaga between 1940 and 2025 was 5 February 2017, with winds reaching 58.7 km/h.
What is the warmest month in General Juan Madariaga?
The warmest month in General Juan Madariaga is January (21.6 °C on average); the coldest is July (8.6 °C).
How much does it rain in General Juan Madariaga?
General Juan Madariaga receives on average 830 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in General Juan Madariaga?
General Juan Madariaga gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in General Juan Madariaga?
The heaviest 24-hour snowfall measured in General Juan Madariaga between 1940 and 2025 was 29 June 2025, with 1.0 cm.
Are there tropical nights in General Juan Madariaga?
Yes: General Juan Madariaga has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in General Juan Madariaga?
In General Juan Madariaga, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 21 January 1953, and the lowest was -9.7 °C on 18 July 1995.
Compare General Juan Madariaga with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around General Juan Madariaga