City break

Mar del Plata weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

63

Holiday weather in May

Good

Best time to visit: October – April

What is the weather like in Mar del Plata in May?

In May, Mar del Plata is cool: daytime highs average 16 °C, and nights cool down to about 10 °C. The sea averages 15.6 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain falls on about 7 days, adding up to 48 mm. All in all, May is a good month for a holiday in Mar del Plata.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score776351
Day19°16°13°
Night13°10°7°
Sea18°16°13°
Sun5 h3 h3 h
Rain days876

More details for May

Daylight
10 h 7 min07:43 – 17:50
UV index
3 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
23 km/haverage daily peakAll months
Cloud cover
60 %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 %76 %
  • Sunshineweight 20 %3 %
  • Few rainy daysweight 30 %81 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in May

  • A jumper for the evenings

Mar del Plata in May: quick answers

Is Mar del Plata hot in May?

No. In May, Mar del Plata is cool: daytime highs average 16 °C and nights drop to about 10 °C.

Can you swim in Mar del Plata in May?

Only if you don't mind cold water: in May the sea averages just 15.6 °C. Comfortable swimming is possible from February to March.

Does it rain much in Mar del Plata in May?

Rain falls on about 7 days, adding up to 48 mm.

Mar del Plata month by month

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