Verdict: Excellent month
Buenos Aires Weather in March
March hits the sweet spot in Buenos Aires — highs around 26°C (79°F), ideal for a full day on foot. Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, March is one of the best months of the year to be in Buenos Aires.
Average high
26°C / 79°F
Average low
19°C / 66°F
Rain days
~9
Precipitation
167 mm
What to pack for Buenos Aires in March
- Summer clothes, plus one light layer for air-con and evenings
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
March against the rest of the year
Warmest in Buenos Aires: Jan (29°C / 84°F) · Coolest: Jul (14°C / 57°F) · Wettest: Mar (~9 rain days)
29°
21°
Jan
28°
20°
Feb
26°
19°
Mar
21°
15°
Apr
17°
10°
May
15°
8°
Jun
14°
7°
Jul
16°
9°
Aug
18°
11°
Sep
21°
13°
Oct
25°
17°
Nov
27°
19°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)