When to go · Buenos Aires
Buenos Aires in March
Great month. Warm; a good month.
Key facts
- Verdict
- Great
- Temperature
- 26°C (79°F)79°F (26°C) / 17°C (63°F)63°F (17°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Argentina overall
- Prices
- Medium
- Argentina overall
Verdict
Warm; a good month.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than March?
No other month rates higher than March for Buenos Aires in this guide.
Weather in March
- Buenos AiresHighs around 26 °C (79 °F), lows around 17 °C (63 °F), rain on about 9 daysHighs around 79 °F (26 °C), lows around 63 °F (17 °C), rain on about 9 days
- Buenos Aires and the Pampas, Argentina · Buenos Aires, La Plata, Mar del Platabest weather
Humid 30 °C (86 °F)+ summers; mild spring and autumn are the city season; winters are grey and around 10 °C (50 °F) but rarely freezing.Humid 86 °F (30 °C)+ summers; mild spring and autumn are the city season; winters are grey and around 50 °F (10 °C) but rarely freezing.
Autumn season
Mild, pleasant weather similar to spring; fewer crowds.
Watch: Days shorten quickly by May; a light layer for evenings.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Día Nacional de la Memoria por la Verdad y la Justicia check
24 March (public holiday) · Plaza de Mayo and citywide
A large annual march remembering the 1976-1983 dictatorship; expect road closures around the square.
Día de la Memoria (dictatorship remembrance)
24 March
A large march to Plaza de Mayo; road closures around the square.
Day of Remembrance for Truth and Justice
24 Mar · Argentina
Large marches in Buenos Aires; offices closed.
Semana Santa big impact
Easter (Thu–Fri; 25–26 Mar 2027) · Argentina
Domestic travel peak; buses and flights full.
Crowds and prices
- Crowds · Argentina overall
- Medium
- Prices · Argentina overall
- Medium
Argentina overall: Good all round: Mendoza harvest festival, Patagonia calmer, Buenos Aires cooling down.
Compare two months
Weather, crowds and prices for any two months in Buenos Aires, side by side.
Verdict
Mar: Great
Apr: Great
Daytime high
Mar: 26 °C (79 °F)79 °F (26 °C)
Apr: 22 °C (72 °F)72 °F (22 °C)
Night low
Mar: 17 °C (63 °F)63 °F (17 °C)
Apr: 14 °C (57 °F)57 °F (14 °C)
Rain days
Mar: 9
Apr: 8 (better)
Crowds
Mar: Medium
Apr: Medium
Prices
Mar: Medium
Apr: Medium
Festivals listed
Mar: 4
Apr: 3
March: Warm; a good month.
April: Mild and dry; good for walking.
Buenos Aires: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.