Mar del Plata weather in March
Argentina

March in Mar del Plata: warm, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Mar del Plata · #293 of 1383 destinations to visit in March · comfort 86/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Mar del Plata in March
Other months in Mar del Plata
Mar del Plata's forum calls January ultra-peak season on the Argentine coast, warm but not unbearable, with the beaches at their most crowded of the year. Regulars flag it as the height of the Christmas-to-February summer holiday stretch, and suggest early March as a calmer, still-warm alternative once schools are back in session.
Add your own note from Mar del Plata's card on the map.
Mar del Plata climate normals — March
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 13°C / 56°F | |
| Feels like (high) | 25°C / 77°F | |
| Sea temperature | 22°C / 72°F | 🙂 pleasant |
| Rainfall | 81 mm / 3.2 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 12.3 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 26 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Mar del Plata in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer holidays in Argentina, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Mar del Plata's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherMar del Plata's weather peaks January–March.
Best weatherFair weatherToughest weather
What's on in Mar del Plata in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sea just about warm enough
1 Jan – 15 Mar · usuallySea warm enoughThe water is only really swimmable in January and February, and it stays that way into early March once the crowds have gone. A wetsuit is normal outside those weeks.
Where is Mar del Plata?
Mar del Plata in March — FAQ
- Is March a good time to visit Mar del Plata?
- March in Mar del Plata: warm, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Mar del Plata on SeasonMap's comfort score (86/100).
- What is the weather like in Mar del Plata in March?
- In March, Mar del Plata averages a daily high of 25.2°C and a low of 13.4°C, with about 81.4 mm of rain over roughly 9.7 rainy days.
- What is the air quality in Mar del Plata in March?
- Mar del Plata has a mean US Air Quality Index of about 26 in March.