Mar del Plata weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Good
Best time to visit: October – April
What is the weather like in Mar del Plata in October?
In October, Mar del Plata is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. The sea averages 12.8 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain falls on about 9 days, adding up to 77 mm. All in all, October is a good month for a holiday in Mar del Plata.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 59 | 75 | 78 |
| Day | 15° | 18° | 21° |
| Night | 8° | 10° | 12° |
| Sea | 11° | 13° | 15° |
| Sun | 3 h | 5 h | 6 h |
| Rain days | 7 | 9 | 9 |
More details for October
- Daylight
- 13 h 0 min06:06 – 19:06
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 25 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−3America/Argentina/Buenos_Aires
How the score comes together
- Temperatureweight 50 %96 %
- Sunshineweight 20 %37 %
- Few rainy daysweight 30 %65 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Mar del Plata in October: quick answers
Is Mar del Plata hot in October?
No. In October, Mar del Plata is mild: daytime highs average 18 °C and nights drop to about 10 °C.
Can you swim in Mar del Plata in October?
Only if you don't mind cold water: in October the sea averages just 12.8 °C. Comfortable swimming is possible from February to March.
Does it rain much in Mar del Plata in October?
Rain falls on about 9 days, adding up to 77 mm.
Mar del Plata month by month
The whole year in Mar del PlataAll destinations: ArgentinaWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences