Climate averages 1991–2020
Mar del Plata weather
in April.
A mild, moderately wet month: the 6th warmest and the joint 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Mar del Plata: daytime highs average 19.0°C and nights cool to about 12.5°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 77 mm of rain on roughly 9 days, which makes April a moderately wet month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 08 min on an average April day.
The nearest other city in this atlas is Necochea (120 km away). In April its highs average 18.9°C, about as warm as Mar del Plata, with 77 mm of rain.
Among the 67 cities listed in Argentina, Mar del Plata ranks 62nd of 67 for the warmest April highs and joint 21st of 67 for the driest April (rainfall, lowest first). The mean April high of those 67 cities is 21.8°C; Mar del Plata is 2.8°C cooler than that mean.
From April to May, average highs fall by 3.3°C to 15.7°C, and monthly rainfall falls from 77 mm to 49 mm.
The annual picture
April 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, selected | 19.0°C12.5°C | 12.5°C | 77 | 8.6 | 11.111 h |
| May | 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
April in nearby cities
- Necochea in AprilArgentina · 120 kmHigh 18.9°C · Low 12.9°C · 77 mm rain
- Tandil in AprilArgentina · 158 kmHigh 19.2°C · Low 10.1°C · 81 mm rain
- Mar del Tuyú in AprilArgentina · 176 kmHigh 18.8°C · Low 15.0°C · 93 mm rain
- Olavarría in AprilArgentina · 273 kmHigh 19.8°C · Low 10.5°C · 85 mm rain
- San Vicente in AprilArgentina · 340 kmHigh 21.5°C · Low 12.7°C · 90 mm rain
- La Plata in AprilArgentina · 344 kmHigh 20.8°C · Low 14.3°C · 86 mm rain
- Berisso in AprilArgentina · 349 kmHigh 20.8°C · Low 14.6°C · 99 mm rain
- Ezeiza in AprilArgentina · 360 kmHigh 21.6°C · Low 13.1°C · 91 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.