Leandro N. Alem climate — normals and trends
Leandro N. Alem (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.3 °C and it receives 1,871 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 (25.1 °C on average) and the coldest is July (15.2 °C). Rainfall peaks in October.
Leandro N. Alem averages 1 frost days, 86 hot days (≥ 30 °C) and 145 rainy days per year.
Leandro N. Alem has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The number of frost days there went from about 1 to 1 per year over the period.
The hottest day of the period reached 40.8 °C (on 16 November 1985) and the coldest -3.1 °C (on 20 July 2000).
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
Leandro N. AlemMisiones
- coords
- -27.60°, -55.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.3°C
Average daily high
25.7°C
Average daily low
16.0°C
Annual rainfall
1,871mm
Sunshine / day
9.1h
Mean relative humidity
78%
Average peak wind
13.3km/h
Seasonal range
9.9°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
86 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.9 °C
Average feels-like low
16.1 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
86 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.29 · p = < 0.001
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
40.8 °C
16 November 1985
Coldest day
-3.1 °C
20 July 2000
Wettest day
188 mm
16 April 1998
Windiest day
38.7 km/h
5 June 1992
Strongest gust
103.7 km/h
5 June 1992
Hottest feels-like
45.5 °C
24 January 2022
Coldest feels-like
-6.5 °C
25 July 2009
Snowiest day
3.6 cm
20 August 1965
Sunniest day
13.6 h
8 January 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 | 32.6 °C | +2.0 °C | 70 mm | -117 mm |
| Feb | 33.8 °C | +3.9 °C | 98 mm | -64 mm |
| Mar | 31.2 °C | +2.4 °C | 70 mm | -70 mm |
| Apr | 25.0 °C | -0.5 °C | 64 mm | -86 mm |
| May | 23.6 °C | +1.5 °C | 152 mm | +3 mm |
| Jun | 17.1 °C | -2.9 °C | 276 mm | +127 mm |
| Jul | 21.0 °C | +0.7 °C | 50 mm | -64 mm |
| Aug | 21.7 °C | -0.6 °C | 126 mm | +6 mm |
| Sep | 24.2 °C | +0.2 °C | 201 mm | +29 mm |
| Oct | 25.5 °C | -0.5 °C | 304 mm | +96 mm |
| Nov | 28.8 °C | +0.6 °C | 88 mm | -76 mm |
| Dec | 30.0 °C | -0.2 °C | 237 mm | +80 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 Leandro N. Alem?
Leandro N. Alem has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.3 °C and it receives 1,871 mm of precipitation per year.
What is the hottest day ever recorded in Leandro N. Alem?
The hottest day measured in Leandro N. Alem between 1940 and 2025 was 16 November 1985, reaching 40.8 °C.
What is the coldest day in Leandro N. Alem?
The coldest day measured in Leandro N. Alem between 1940 and 2025 was 20 July 2000, at -3.1 °C.
Does it snow in Leandro N. Alem?
Almost never: Leandro N. Alem sees virtually no snow, with about 1 frost days per year.
Has the climate of Leandro N. Alem warmed?
Yes: Leandro N. Alem warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Leandro N. Alem?
The wettest day measured in Leandro N. Alem between 1940 and 2025 was 16 April 1998, with 188 mm of rain in 24 hours.
What was the windiest day in Leandro N. Alem?
The windiest day measured in Leandro N. Alem between 1940 and 2025 was 5 June 1992, with winds reaching 38.7 km/h.
What is the warmest month in Leandro N. Alem?
The warmest month in Leandro N. Alem is January (25.1 °C on average); the coldest is July (15.2 °C).
How much does it rain in Leandro N. Alem?
Leandro N. Alem receives on average 1,871 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Leandro N. Alem?
Leandro N. Alem gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Leandro N. Alem?
The heaviest 24-hour snowfall measured in Leandro N. Alem between 1940 and 2025 was 20 August 1965, with 3.6 cm.
Are there tropical nights in Leandro N. Alem?
Yes: Leandro N. Alem has on average 86 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Leandro N. Alem?
In Leandro N. Alem, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 24 January 2022, and the lowest was -6.5 °C on 25 July 2009.
Compare Leandro N. Alem with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Leandro N. Alem