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Mar del Plata, Buenos Aires Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Mar del Plata, Buenos Aires?
Mar del Plata, Buenos Aires gets 869 mm of precipitation a year over about 78 rainy days. January is the warmest month (average high 27°C) and July the coldest (average low 3°C).
Oceanic climate
Mar del Plata, Buenos Aires has warm summers and mild winters. Daytime highs range from about 13°C in July to 27°C in January. March is usually the wettest month. The most comfortable time to visit is typically February, April to May, and October to December, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Jun–Aug | 3° | 14° |
| Spring | Sep–Nov | 8° | 19° |
| Summer | Dec–Feb | 14° | 26° |
| Autumn | Mar–May | 9° | 21° |
How much rain does Mar del Plata get?
Mar del Plata gets 869 mm of precipitation in an average year, spread over about 78 days with measurable rain. That is more rainy days than 96% of Argentina.
March is the wettest month, with 88 mm. June is the driest, with 58 mm. November has the most rainy days, about 8.
Mar del Plata weather by month
Mar del Plata weather in January
In January, Mar del Plata averages a high of 27°C and a low of 14°C. It gets 85 mm of precipitation over about 6 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The January record high is 39°C (1987) and the record low is 3°C (1997).
Mar del Plata weather in February
In February, Mar del Plata averages a high of 26°C and a low of 14°C. It gets 82 mm of precipitation over about 6 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The February record high is 38°C (2007) and the record low is 1°C (1971). February is one of the most comfortable months to visit.
Mar del Plata weather in March
In March, Mar del Plata averages a high of 24°C and a low of 13°C. It gets 88 mm of precipitation over about 7 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The March record high is 36°C (2023) and the record low is 1°C (2022).
Mar del Plata weather in April
In April, Mar del Plata averages a high of 21°C and a low of 9°C. It gets 77 mm of precipitation over about 7 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The April record high is 32°C (2004) and the record low is -3°C (2001). April is one of the most comfortable months to visit.
Mar del Plata weather in May
In May, Mar del Plata averages a high of 17°C and a low of 6°C. It gets 66 mm of precipitation over about 6 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The May record high is 28°C (2009) and the record low is -4°C (2006). May is one of the most comfortable months to visit.
Mar del Plata weather in June
In June, Mar del Plata averages a high of 14°C and a low of 3°C. It gets 58 mm of precipitation over about 6 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The June record high is 26°C (2003) and the record low is -6°C (1987).
Mar del Plata weather in July
In July, Mar del Plata averages a high of 13°C and a low of 3°C. It gets 59 mm of precipitation over about 7 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The July record high is 28°C (1976) and the record low is -9°C (1988).
Mar del Plata weather in August
In August, Mar del Plata averages a high of 15°C and a low of 4°C. It gets 66 mm of precipitation over about 6 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The August record high is 30°C (2009) and the record low is -7°C (1983).
Mar del Plata weather in September
In September, Mar del Plata averages a high of 17°C and a low of 6°C. It gets 62 mm of precipitation over about 6 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The September record high is 30°C (1995) and the record low is -6°C (1993).
Mar del Plata weather in October
In October, Mar del Plata averages a high of 19°C and a low of 8°C. It gets 84 mm of precipitation over about 7 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The October record high is 34°C (1981) and the record low is -3°C (1991). October is one of the most comfortable months to visit.
Mar del Plata weather in November
In November, Mar del Plata averages a high of 22°C and a low of 10°C. It gets 67 mm of precipitation over about 8 rainy days. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The November record high is 36°C (1987) and the record low is -2°C (1986). November is one of the most comfortable months to visit.
Mar del Plata weather in December
In December, Mar del Plata averages a high of 26°C and a low of 13°C. It gets 75 mm of precipitation over about 6 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The December record high is 39°C (1975) and the record low is 0°C (1971). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Mar del Plata
January is the sunniest month in Mar del Plata, with estimated sunshine of 63% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 40%. The annual cloud-cover estimate is 51% of daylight hours; it is not a measurement of sunshine duration. Mar del Plata is cloudier than 90% of Argentina.
Humidity peaks in June at 78% and is lowest in January at 73%.
Mar del Plata has about 9 days a year above 32°C. Mar del Plata is cooler than 77% of Argentina.
First and last freeze in Mar del Plata
The first fall freeze in Mar del Plata typically comes around May 23, and the last spring freeze around October 6. That leaves a frost-free growing season of about 229 days.
Mar del Plata weather records
These records cover MAR DEL PLATA AERO during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Mar del Plata station is 39°C, on December 31, 1975. The coldest is -9°C, on July 6, 1988.
The wettest day in the available station history brought 229 mm of precipitation, on May 9, 2012.
30 all-time records have been set at the station since 1970.
The best time to visit Mar del Plata
The most comfortable time to visit is typically February, April to May, and October to December, when daytime highs sit near 22°C.
Winter (June–August) is mild, with average highs around 14°C and lows near 3°C.
Spring (September–November) is mild, with average highs around 19°C and lows near 8°C.
Summer (December–February) is warm, with average highs around 26°C and lows near 14°C. It can feel humid.
Autumn (March–May) is warm, with average highs around 21°C and lows near 9°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 14° | 27° | 85 mm | 6 | 73% | 63% | 39° | 3° |
| February | 14° | 26° | 82 mm | 6 | 75% | 55% | 38° | 1° |
| March | 13° | 24° | 88 mm | 7 | 77% | 54% | 36° | 1° |
| April | 9° | 21° | 77 mm | 7 | 77% | 52% | 32° | -3° |
| May | 6° | 17° | 66 mm | 6 | 76% | 43% | 28° | -4° |
| June | 3° | 14° | 58 mm | 6 | 78% | 40% | 26° | -6° |
| July | 3° | 13° | 59 mm | 7 | 77% | 42% | 28° | -9° |
| August | 4° | 15° | 66 mm | 6 | 76% | 48% | 30° | -7° |
| September | 6° | 17° | 62 mm | 6 | 77% | 47% | 30° | -6° |
| October | 8° | 19° | 84 mm | 7 | 75% | 54% | 34° | -3° |
| November | 10° | 22° | 67 mm | 8 | 75% | 56% | 36° | -2° |
| December | 13° | 26° | 75 mm | 6 | 73% | 57% | 39° | 0° |
Station: MAR DEL PLATA AERO, 8 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Mar del Plata climate questions
How much rain does Mar del Plata get?
Mar del Plata gets 869 mm of precipitation in an average year, over about 78 rainy days.
What is the wettest month in Mar del Plata?
March is the wettest month in Mar del Plata, with 88 mm. June is the driest, with 58 mm.
How many rainy days does Mar del Plata have a year?
Mar del Plata has about 78 days with measurable rain in an average year. November has the most, about 8.
What is the hottest month in Mar del Plata?
January is the warmest month in Mar del Plata, with an average high of 27°C.
What is the coldest month in Mar del Plata?
July is the coldest month in Mar del Plata, with an average low of 3°C.
What is the record high temperature in Mar del Plata?
Within the available 1970–2025 station history, the record high at the Mar del Plata station is 39°C, set on December 31, 1975. The record low is -9°C, on July 6, 1988.
What is the sunniest month in Mar del Plata?
January is the sunniest month in Mar del Plata, with estimated sunshine of 63% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Mar del Plata?
The first fall freeze in Mar del Plata typically comes around May 23. The last spring freeze is around October 6.
What is the best time to visit Mar del Plata?
The most comfortable time to visit is typically February, April to May, and October to December, when daytime highs sit near 22°C.