SeasonMapMar del Plata weather by month
Argentina
The best time to visit Mar del Plata is January to March — 87/100 in January, 28°C and 8 rainy days. The best season is summer, December to February (85/100 on average).
The worst month is July at 59/100 — cool, a little rain, clean air. See July →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Argentina →
Mar del Plata, month by month
Comfort score out of 100 for the kind of trip Mar del Plata is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 87 | A | 28°C | 8 d | 12 h | Peak | 3 |
| FebFebruary | 85 | A | 27°C | 9 d | 11 h | Peak | 3 |
| MarMarch | 86 | A | 25°C | 10 d | 10 h | Busy | 1 |
| AprApril | 74 | B | 22°C | 8 d | 8 h | Shoulder | — |
| MayMay | 66 | C | 17°C | 6 d | 7 h | Quiet | 1 |
| JunJune | 61 | C | 15°C | 6 d | 7 h | Quiet | 1 |
| JulJuly | 59 | D | 14°C | 7 d | 7 h | Busy | 1 |
| AugAugust | 67 | C | 16°C | 7 d | 8 h | Shoulder | 1 |
| SepSeptember | 70 | B | 17°C | 7 d | 9 h | Shoulder | — |
| OctOctober | 76 | B | 20°C | 8 d | 10 h | Shoulder | — |
| NovNovember | 78 | B | 24°C | 9 d | 11 h | Shoulder | 1 |
| DecDecember | 82 | A | 27°C | 9 d | 12 h | Peak | 2 |
What's on in Mar del Plata through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Mar del Plata in January
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.
Peak crowdstravelers describe it as peak season, Argentine summer season, Summer holidays in Argentina
Sourced from traveler notes: “Mar del Plata's forum calls January ultra-peak season on the Argentine coast, warm but not unbearable, with the b…” — Tripadvisor community
Peak crowdsBusyShoulder seasonQuiet