Climate averages 1991–2020
Buenos Aires weather
in April.
A mild, wet month: the 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Buenos Aires: daytime highs average 20.9°C and nights cool to about 14.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 102 mm of rain on roughly 8 days, which makes April a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 15 min on an average April day.
The nearest other city in this atlas is Avellaneda (5 km away). In April its highs average 21.1°C, about as warm as Buenos Aires, with 94 mm of rain.
Among the 67 cities listed in Argentina, Buenos Aires ranks joint 51st of 67 for the warmest April highs and 50th of 67 for the driest April (rainfall, lowest first). The mean April high of those 67 cities is 21.8°C; Buenos Aires is 0.9°C cooler than that mean.
From April to May, average highs fall by 3.7°C to 17.2°C, and monthly rainfall falls from 102 mm to 72 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
Buenos Aires climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.6°C20.3°C | 20.3°C | 83 | 6.9 | 14.214 h |
| February | 26.4°C19.7°C | 19.7°C | 99 | 8.1 | 13.413 h |
| March | 24.5°C18.1°C | 18.1°C | 96 | 7.6 | 12.312 h |
| April, selected | 20.9°C14.6°C | 14.6°C | 102 | 8.1 | 11.211 h |
| May | 17.2°C11.5°C | 11.5°C | 72 | 6.8 | 10.310 h |
| June | 14.3°C8.6°C | 8.6°C | 74 | 7.7 | 9.910 h |
| July | 13.3°C7.5°C | 7.5°C | 74 | 7.1 | 10.110 h |
| August | 15.5°C8.8°C | 8.8°C | 71 | 6.6 | 10.811 h |
| September | 17.3°C10.4°C | 10.4°C | 80 | 7.1 | 11.812 h |
| October | 20.2°C13.3°C | 13.3°C | 119 | 9.8 | 12.913 h |
| November | 23.4°C15.9°C | 15.9°C | 95 | 8.2 | 13.914 h |
| December | 26.3°C18.6°C | 18.6°C | 87 | 8.1 | 14.414 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
- Avellaneda in AprilArgentina · 5 kmHigh 21.1°C · Low 14.3°C · 94 mm rain
- Lomas de Zamora in AprilArgentina · 16 kmHigh 21.2°C · Low 13.8°C · 91 mm rain
- Quilmes in AprilArgentina · 16 kmHigh 21.0°C · Low 14.1°C · 94 mm rain
- Isidro Casanova in AprilArgentina · 22 kmHigh 21.6°C · Low 13.3°C · 91 mm rain
- Berazategui in AprilArgentina · 23 kmHigh 20.8°C · Low 14.5°C · 94 mm rain
- Laferrere in AprilArgentina · 24 kmHigh 21.7°C · Low 13.2°C · 91 mm rain
- Don Torcuato in AprilArgentina · 26 kmHigh 21.4°C · Low 13.9°C · 94 mm rain
- Bella Vista in AprilArgentina · 29 kmHigh 21.7°C · Low 13.3°C · 94 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 Buenos Aires) is explained once on the Buenos Aires year overview and on the Sources, method and limits page.