Climate averages 1991–2020
Mar del Plata weather
in October.
A mild, moderately wet month: the 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Mar del Plata: daytime highs average 17.3°C and nights cool to about 9.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 80 mm of rain on roughly 9 days, which makes October a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 03 min on an average October day.
The nearest other city in this atlas is Necochea (120 km away). In October its highs average 16.7°C, 0.6°C cooler than Mar del Plata, with 73 mm of rain.
Among the 67 cities listed in Argentina, Mar del Plata ranks 62nd of 67 for the warmest October highs and 19th of 67 for the driest October (rainfall, lowest first). The mean October high of those 67 cities is 22.2°C; Mar del Plata is 4.9°C cooler than that mean.
From October to November, average highs rise by 3.2°C to 20.5°C, and monthly rainfall falls from 80 mm to 77 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Mar del Plata climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.1°C16.7°C | 16.7°C | 77 | 8.3 | 14.514 h |
| February | 24.3°C16.8°C | 16.8°C | 77 | 7.5 | 13.514 h |
| March | 22.5°C15.5°C | 15.5°C | 72 | 8.1 | 12.412 h |
| April | 19.0°C12.5°C | 12.5°C | 77 | 8.6 | 11.111 h |
| May | 15.7°C9.9°C | 9.9°C | 49 | 6.8 | 10.110 h |
| June | 12.9°C7.1°C | 7.1°C | 60 | 6.9 | 9.610 h |
| July | 11.8°C5.8°C | 5.8°C | 54 | 7.0 | 9.810 h |
| August | 13.5°C6.6°C | 6.6°C | 60 | 7.0 | 10.711 h |
| September | 14.7°C7.5°C | 7.5°C | 60 | 7.4 | 11.812 h |
| October, selected | 17.3°C9.8°C | 9.8°C | 80 | 9.0 | 13.013 h |
| November | 20.5°C12.3°C | 12.3°C | 77 | 9.3 | 14.114 h |
| December | 23.7°C14.9°C | 14.9°C | 69 | 8.0 | 14.715 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Necochea in OctoberArgentina · 120 kmHigh 16.7°C · Low 9.9°C · 73 mm rain
- Tandil in OctoberArgentina · 158 kmHigh 18.9°C · Low 8.4°C · 85 mm rain
- Mar del Tuyú in OctoberArgentina · 176 kmHigh 16.4°C · Low 12.3°C · 85 mm rain
- Olavarría in OctoberArgentina · 273 kmHigh 19.7°C · Low 9.2°C · 90 mm rain
- San Vicente in OctoberArgentina · 340 kmHigh 20.9°C · Low 11.4°C · 106 mm rain
- La Plata in OctoberArgentina · 344 kmHigh 19.9°C · Low 12.8°C · 102 mm rain
- Berisso in OctoberArgentina · 349 kmHigh 19.9°C · Low 13.1°C · 111 mm rain
- Ezeiza in OctoberArgentina · 360 kmHigh 20.9°C · Low 11.8°C · 109 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Mar del Plata) is explained once on the Mar del Plata year overview and on the Sources, method and limits page.