Punta Alta climate — normals and trends
Punta Alta (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.5 °C and it receives 548 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 (22.4 °C on average) and the coldest is July (8.7 °C). Rainfall peaks in March.
Punta Alta averages 0 frost days, 5 hot days (≥ 30 °C) and 73 rainy days per year.
No statistically significant temperature trend emerges for Punta Alta between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 36.1 °C (on 13 January 2022) and the coldest -0.7 °C (on 9 July 2007).
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
Punta AltaBuenos Aires
- coords
- -38.88°, -62.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.5°C
Average daily high
18.4°C
Average daily low
12.9°C
Annual rainfall
548mm
Sunshine / day
10.0h
Mean relative humidity
69%
Average peak wind
28.5km/h
Seasonal range
13.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
0.0 cm
Average feels-like high
16.7 °C
Average feels-like low
9.5 °C
Average peak gust
41.1 km/h
Tropical nights (≥ 20 °C)
32 d/yr
Solar radiation
17.3 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
36.1 °C
13 January 2022
Coldest day
-0.7 °C
9 July 2007
Wettest day
130 mm
3 March 1987
Windiest day
74.8 km/h
20 April 1976
Strongest gust
113.0 km/h
9 April 1952
Hottest feels-like
37.6 °C
31 January 2024
Coldest feels-like
-8.3 °C
26 July 1955
Snowiest day
0.8 cm
26 July 1955
Sunniest day
14.4 h
9 January 1941
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 | 26.8 °C | +1.0 °C | 7 mm | -41 mm |
| Feb | 25.7 °C | +0.7 °C | 41 mm | -10 mm |
| Mar | 22.5 °C | -0.2 °C | 206 mm | +137 mm |
| Apr | 17.6 °C | -1.3 °C | 60 mm | +12 mm |
| May | 16.0 °C | +0.9 °C | 16 mm | -22 mm |
| Jun | 11.4 °C | -0.6 °C | 8 mm | -22 mm |
| Jul | 10.7 °C | -0.4 °C | 19 mm | -13 mm |
| Aug | 12.9 °C | +0.6 °C | 44 mm | +15 mm |
| Sep | 15.6 °C | +1.1 °C | 77 mm | +33 mm |
| Oct | 18.5 °C | +0.9 °C | 78 mm | +21 mm |
| Nov | 21.1 °C | -0.1 °C | 48 mm | -4 mm |
| Dec | 26.0 °C | +1.9 °C | 5 mm | -44 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 Punta Alta?
Punta Alta has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.5 °C and it receives 548 mm of precipitation per year.
What is the hottest day ever recorded in Punta Alta?
The hottest day measured in Punta Alta between 1940 and 2025 was 13 January 2022, reaching 36.1 °C.
What is the coldest day in Punta Alta?
The coldest day measured in Punta Alta between 1940 and 2025 was 9 July 2007, at -0.7 °C.
Does it snow in Punta Alta?
Almost never: Punta Alta sees virtually no snow, with about 0 frost days per year.
Has the climate of Punta Alta warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Punta Alta.
What is the wettest day in Punta Alta?
The wettest day measured in Punta Alta between 1940 and 2025 was 3 March 1987, with 130 mm of rain in 24 hours.
What was the windiest day in Punta Alta?
The windiest day measured in Punta Alta between 1940 and 2025 was 20 April 1976, with winds reaching 74.8 km/h.
What is the warmest month in Punta Alta?
The warmest month in Punta Alta is January (22.4 °C on average); the coldest is July (8.7 °C).
How much does it rain in Punta Alta?
Punta Alta receives on average 548 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Punta Alta?
Punta Alta 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 Punta Alta?
The heaviest 24-hour snowfall measured in Punta Alta between 1940 and 2025 was 26 July 1955, with 0.8 cm.
Are there tropical nights in Punta Alta?
Yes: Punta Alta has on average 32 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Punta Alta?
In Punta Alta, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 31 January 2024, and the lowest was -8.3 °C on 26 July 1955.
Compare Punta Alta with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Punta Alta