Mar del Plata relocation guide
Weather in Mar del Plata
Airport normals show warm summer days and cool winters, with rain in every month. Heating and the actual coastal weather still need a home and forecast check.
On this page
The short answer
SMN's Mar del Plata Aero station gives a January mean of 20.3°C and a July mean of 7.5°C for 1991 to 2020. Average daily highs are 26.4°C in January and 12.6°C in July. Rain occurs across the year. Use the chart to understand the historical seasons, then check the forecast for your date.
- The chart uses the local airport station, not a substituted Buenos Aires station.
- July's average daily low is 3.2°C in the historical normal.
- The published annual rainfall normal is 946.1 mm.
- Test the home's heating, windows and hot water before committing.
Plan for the season and inspect the home
Monthly airport-station averages
Tool
Mar del Plata by month
SMN Mar del Plata Aero, 1991 to 2020 normals.
Average highs range from 55°F to 80°F. Rainfall peaks at 103.6 mm a month. SMN, Mar del Plata Aero climate normals, 1991 to 2020 (opens in a new tab)
SMN Mar del Plata Aero at 37.93210°S, 57.58145°W and 18 m elevation. Historical 1991 to 2020 normals, not a current forecast or measurements at an individual home.3
The source considers different numbers of years for some temperature cells. The annual values are the published station normals, not a new average or sum of rounded monthly figures.3
Heating and weather at the apartment
The Belgrano offer names connected gas, while the Colón studio names an electric water heater. Ask about space heating separately, test the equipment and request complete recent bills. Neither advertisement prices a typical winter bill.1,
Inspect windows, damp patches, ventilation and the route into the building. Check the current official forecast and local notices before coastal or inland outings.3,
Questions people ask
Which station supplies the chart?
SMN Mar del Plata Aero, WIGOS 0-20000-0-87692, at 18 m elevation. It covers 1991 to 2020 and is not an apartment or beachfront measurement.
How cold is winter in the normals?
July has a 7.5°C mean, 12.6°C average daily high and 3.2°C average daily low. These are historical averages rather than a forecast for a specific week.
Does rainfall occur only in summer?
The station has a positive rainfall normal in every month. Its published annual normal is 946.1 mm. Check the actual forecast for your visit.
Can the chart predict a safe beach day?
No. Historical averages do not describe the current sea, wind or weather. Follow the current forecast and local instructions for the actual beach.
How much will winter heating cost?
The home-specific bill is unknown. Ask about the actual heating system, insulation and recent full bills rather than estimating from the station average alone.
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Sources and how we check them
Sources and how we check them4 sources
Every figure on this page comes from the official or primary source listed here. We checked them in . Rules and prices change, so confirm anything important with the source before you act on it.
- Candoli Propiedades, Belgrano 2451 apartment, checked October 10, 2026 (opens in a new tab)
- Candoli Propiedades, Colón 1800 studio, checked October 10, 2026 (opens in a new tab)
- SMN, Mar del Plata Aero climate normals, 1991 to 2020 (opens in a new tab)
- Official Mar del Plata walks and surrounding countryside (opens in a new tab)