Climate averages 1991–2020

Mar del Plata weather
in March.

A warm, moderately wet month: the 4th warmest and the 7th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 22.5°C Daytime mean, March
Average low 15.5°C Night-time mean, March
Rainfall 72 mm 8 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Mar del Plata · average highYear overview

March is a warm month in Mar del Plata: daytime highs average 22.5°C and nights cool to about 15.5°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 72 mm of rain on roughly 8 days, which makes March a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average March day.

The nearest other city in this atlas is Necochea (120 km away). In March its highs average 22.3°C, about as warm as 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 March highs and 14th of 67 for the driest March (rainfall, lowest first). The mean March high of those 67 cities is 25.6°C; Mar del Plata is 3.1°C cooler than that mean.

From March to April, average highs fall by 3.5°C to 19.0°C, and monthly rainfall rises from 72 mm to 77 mm.

The annual picture

March in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages 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

1991–2020
Monthly climate averages for Mar del Plata, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.1°C16.7°C16.7°C778.314.514 h
February 24.3°C16.8°C16.8°C777.513.514 h
March, selected 22.5°C15.5°C15.5°C728.112.412 h
April 19.0°C12.5°C12.5°C778.611.111 h
May 15.7°C9.9°C9.9°C496.810.110 h
June 12.9°C7.1°C7.1°C606.99.610 h
July 11.8°C5.8°C5.8°C547.09.810 h
August 13.5°C6.6°C6.6°C607.010.711 h
September 14.7°C7.5°C7.5°C607.411.812 h
October 17.3°C9.8°C9.8°C809.013.013 h
November 20.5°C12.3°C12.3°C779.314.114 h
December 23.7°C14.9°C14.9°C698.014.715 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

March in nearby cities

Distance from Mar del Plata

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 limits

How 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.