Mar del Plata climate — normals and trends
Mar del Plata (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 803 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 (20.0 °C on average) and the coldest is July (9.0 °C). Rainfall peaks in January.
Mar del Plata averages 0 frost days, 1 hot days (≥ 30 °C) and 99 rainy days per year.
Mar del Plata has warmed by +0.3 °C between 1940 and 2025, or +0.04 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.7 °C (on 10 February 2025) and the coldest -0.1 °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
Mar del PlataBuenos Aires
- coords
- -38.00°, -57.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
17.3°C
Average daily low
11.8°C
Annual rainfall
803mm
Sunshine / day
9.6h
Mean relative humidity
77%
Average peak wind
27.3km/h
Seasonal range
11.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
99 d/yr
Annual snowfall
0.0 cm
Average feels-like high
15.9 °C
Average feels-like low
8.7 °C
Average peak gust
41.5 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
16.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.3 °C
since 1940
0.0 °C per decade · r² = 0.08 · p = 0.010
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
33.7 °C
10 February 2025
Coldest day
-0.1 °C
18 July 1995
Wettest day
93 mm
28 June 1948
Windiest day
72.9 km/h
8 June 1993
Strongest gust
115.6 km/h
8 June 1993
Hottest feels-like
36.1 °C
12 February 2023
Coldest feels-like
-6.6 °C
1 August 1991
Snowiest day
1.4 cm
16 August 1943
Sunniest day
14.5 h
12 December 1945
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 | 23.4 °C | +0.2 °C | 32 mm | -47 mm |
| Feb | 25.5 °C | +2.4 °C | 37 mm | -33 mm |
| Mar | 21.9 °C | +0.4 °C | 106 mm | +30 mm |
| Apr | 17.7 °C | -0.8 °C | 47 mm | -21 mm |
| May | 16.2 °C | +0.9 °C | 90 mm | +30 mm |
| Jun | 12.1 °C | -0.4 °C | 42 mm | -14 mm |
| Jul | 11.7 °C | +0.2 °C | 60 mm | +2 mm |
| Aug | 12.5 °C | +0.2 °C | 69 mm | +16 mm |
| Sep | 13.8 °C | +0.3 °C | 82 mm | +26 mm |
| Oct | 17.4 °C | +1.6 °C | 110 mm | +34 mm |
| Nov | 18.9 °C | +0.2 °C | 72 mm | -5 mm |
| Dec | 23.7 °C | +2.2 °C | 74 mm | -1 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 Mar del Plata?
Mar del Plata has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 803 mm of precipitation per year.
What is the hottest day ever recorded in Mar del Plata?
The hottest day measured in Mar del Plata between 1940 and 2025 was 10 February 2025, reaching 33.7 °C.
What is the coldest day in Mar del Plata?
The coldest day measured in Mar del Plata between 1940 and 2025 was 18 July 1995, at -0.1 °C.
Does it snow in Mar del Plata?
Almost never: Mar del Plata sees virtually no snow, with about 0 frost days per year.
Has the climate of Mar del Plata warmed?
Yes: Mar del Plata warmed by +0.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mar del Plata?
The wettest day measured in Mar del Plata between 1940 and 2025 was 28 June 1948, with 93 mm of rain in 24 hours.
What was the windiest day in Mar del Plata?
The windiest day measured in Mar del Plata between 1940 and 2025 was 8 June 1993, with winds reaching 72.9 km/h.
What is the warmest month in Mar del Plata?
The warmest month in Mar del Plata is January (20.0 °C on average); the coldest is July (9.0 °C).
How much does it rain in Mar del Plata?
Mar del Plata receives on average 803 mm of precipitation per year, spread over about 99 rainy days.
Is it sunny in Mar del Plata?
Mar del Plata gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mar del Plata?
The heaviest 24-hour snowfall measured in Mar del Plata between 1940 and 2025 was 16 August 1943, with 1.4 cm.
Are there tropical nights in Mar del Plata?
Yes: Mar del Plata has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mar del Plata?
In Mar del Plata, between 1940 and 2025, the highest apparent temperature reached 36.1 °C on 12 February 2023, and the lowest was -6.6 °C on 1 August 1991.
Compare Mar del Plata with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mar del Plata