Climate averages 1991–2020
Mar del Plata weather
in May.
A mild, moderately wet month: the 8th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Mar del Plata: daytime highs average 15.7°C and nights cool to about 9.9°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 49 mm of rain on roughly 7 days, which makes May a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 06 min on an average May day.
The nearest other city in this atlas is Necochea (120 km away). In May its highs average 15.6°C, about as warm as Mar del Plata, with 53 mm of rain.
Among the 67 cities listed in Argentina, Mar del Plata ranks 60th of 67 for the warmest May highs and 24th of 67 for the driest May (rainfall, lowest first). The mean May high of those 67 cities is 18.0°C; Mar del Plata is 2.3°C cooler than that mean.
From May to June, average highs fall by 2.9°C to 12.9°C, and monthly rainfall rises from 49 mm to 60 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Necochea in MayArgentina · 120 kmHigh 15.6°C · Low 10.5°C · 53 mm rain
- Tandil in MayArgentina · 158 kmHigh 15.5°C · Low 7.4°C · 42 mm rain
- Mar del Tuyú in MayArgentina · 176 kmHigh 15.6°C · Low 12.1°C · 60 mm rain
- Olavarría in MayArgentina · 273 kmHigh 16.0°C · Low 7.7°C · 47 mm rain
- San Vicente in MayArgentina · 340 kmHigh 17.7°C · Low 9.7°C · 59 mm rain
- La Plata in MayArgentina · 344 kmHigh 17.0°C · Low 11.2°C · 60 mm rain
- Berisso in MayArgentina · 349 kmHigh 17.1°C · Low 11.5°C · 72 mm rain
- Ezeiza in MayArgentina · 360 kmHigh 17.8°C · Low 10.0°C · 61 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.