General Acha climate — normals and trends
General Acha (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 598 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 (23.6 °C on average) and the coldest is July (7.2 °C). Rainfall peaks in March.
General Acha averages 19 frost days, 51 hot days (≥ 30 °C) and 78 rainy days per year.
No statistically significant temperature trend emerges for General Acha between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 41.6 °C (on 25 December 1971) and the coldest -9.3 °C (on 11 July 1988).
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 AchaLa Pampa
- coords
- -37.38°, -64.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
21.4°C
Average daily low
9.9°C
Annual rainfall
598mm
Sunshine / day
10.0h
Mean relative humidity
61%
Average peak wind
19.5km/h
Seasonal range
16.4°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
51 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
0.5 cm
Average feels-like high
19.6 °C
Average feels-like low
7.1 °C
Average peak gust
39.4 km/h
Tropical nights (≥ 20 °C)
15 d/yr
Solar radiation
17.9 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
41.6 °C
25 December 1971
Coldest day
-9.3 °C
11 July 1988
Wettest day
94 mm
12 February 1984
Windiest day
56.0 km/h
19 April 1976
Strongest gust
110.5 km/h
24 December 1955
Hottest feels-like
43.5 °C
6 February 2024
Coldest feels-like
-13.9 °C
9 July 2007
Snowiest day
12.1 cm
28 September 2013
Sunniest day
14.5 h
30 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 | 32.6 °C | +2.4 °C | 28 mm | -32 mm |
| Feb | 30.2 °C | +1.4 °C | 53 mm | -8 mm |
| Mar | 23.5 °C | -1.8 °C | 181 mm | +105 mm |
| Apr | 18.9 °C | -1.9 °C | 52 mm | -1 mm |
| May | 17.8 °C | +1.3 °C | 13 mm | -17 mm |
| Jun | 14.3 °C | +1.2 °C | 4 mm | -18 mm |
| Jul | 13.6 °C | +0.8 °C | 5 mm | -18 mm |
| Aug | 16.5 °C | +1.2 °C | 36 mm | +9 mm |
| Sep | 20.1 °C | +2.0 °C | 48 mm | +2 mm |
| Oct | 23.2 °C | +1.9 °C | 36 mm | -33 mm |
| Nov | 26.5 °C | +1.2 °C | 50 mm | -15 mm |
| Dec | 31.8 °C | +3.1 °C | 13 mm | -53 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 Acha?
General Acha has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 598 mm of precipitation per year.
What is the hottest day ever recorded in General Acha?
The hottest day measured in General Acha between 1940 and 2025 was 25 December 1971, reaching 41.6 °C.
What is the coldest day in General Acha?
The coldest day measured in General Acha between 1940 and 2025 was 11 July 1988, at -9.3 °C.
Does it snow in General Acha?
Almost never: General Acha sees virtually no snow, with about 19 frost days per year.
Has the climate of General Acha warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in General Acha.
What is the wettest day in General Acha?
The wettest day measured in General Acha between 1940 and 2025 was 12 February 1984, with 94 mm of rain in 24 hours.
What was the windiest day in General Acha?
The windiest day measured in General Acha between 1940 and 2025 was 19 April 1976, with winds reaching 56.0 km/h.
What is the warmest month in General Acha?
The warmest month in General Acha is January (23.6 °C on average); the coldest is July (7.2 °C).
How much does it rain in General Acha?
General Acha receives on average 598 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in General Acha?
General Acha gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in General Acha?
The heaviest 24-hour snowfall measured in General Acha between 1940 and 2025 was 28 September 2013, with 12.1 cm.
Are there tropical nights in General Acha?
Yes: General Acha has on average 15 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in General Acha?
In General Acha, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 6 February 2024, and the lowest was -13.9 °C on 9 July 2007.
Compare General Acha with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around General Acha