Mar del Plata
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Mar del Plata Weather in May

May in Mar del Plata typically sees daytime highs of 17°C (63°F) and nighttime lows of 10°C (50°F). With the least rainfall of the year, it's a reliably dry month.

Rainfall in Mar del Plata in May

As the driest month, it's a great time for hiking and exploring the area. Historically, the month has about 9 days of rain, averaging 51 mm (2 in) in total. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Mar del Plata in May

May in Mar del Plata brings typical temperatures with highs around 17°C (63°F) and lows of 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Mar del Plata in May

You can expect a moderate amount of sunlight, with approximately 167 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Mar del Plata in May

Wind speeds average 4 m/s (8 knots) during May. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in May

With water at 16°C (61°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, November and December typically offer the best circumstances for Mar del Plata.

Mar del Plata Temperature in May

Min Temperature
10°C (50°F)
Max Temperature
17°C (63°F)
Water Temperature
16°C (61°F)
Chance of Rain
30%
Precipitation
51 mm (2 in)
Rainy days
9 days
Humidity
83%
Windspeed
4 m/s (8 knots)
Sunshine
167 hours
Percentage Sunshine
51%

Mar del Plata Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Mar del Plata - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Mar del Plata typically drop from around 18°C (64°F) at the start of May to approximately 15°C (59°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).

Average temperatures in May

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in May

Historical weather records for Mar del Plata in May

Browse day-by-day weather records for Mar del Plata spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Mar del Plata historical weather extremes in May

According to our 32 years of weather records for Mar del Plata, the following extremes were recorded between 1994 and 2026.

  • The warmest day in May was on May 2, 2009, with a maximum of 28°C (82°F).
  • The lowest daytime temperature in May was 8°C (46°F), recorded on May 27, 2026.
  • The lowest overnight temperature recorded in May was -4°C (25°F) (May 21, 2006).

Best Places in Argentina in May

Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Mar del Plata in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 16°C (61°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Mar del Plata in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    6/10
  • Walking
    6/10
  • Barbeque
    6/10
  • Camping
    4/10
  • Outdoor sports
    10/10

Mar del Plata 3-Day Forecast

More climate data for Mar del Plata

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.