Buenos Aires in March

In March, Buenos Aires averages 27°C (81°F) during the day and 18°C (64°F) at night, with around 7 days of rain (150 mm total).

Shoulder

Conditions are warm and beach-friendly. Occasional showers are likely but won't dominate.

March is a great month to visit Buenos Aires: pleasant temperatures and relatively few wet days.

27°C
Avg high
18°C
Avg low
7
Rain days
150 mm
Rainfall

How March compares to the rest of the year in Buenos Aires

4th
warmest month of the 12
6th
wettest month of the 12
12%
of yearly rainfall falls in March
12 h 20 min
daylight on the 15th

March is in the middle of the year for warmth in Buenos Aires (4th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 5°C above the annual average (23°C). March runs 2°C cooler than February (29°C) and cools 5°C in April (22°C).

March sunrise & sunset in Buenos Aires

🌅
Sunrise (15th)
6:52 AM
🌇
Sunset (15th)
7:12 PM
Day length
12 h 20 min

Times shown for Buenos Aires local time (America/Argentina/Buenos_Aires), calculated for the 15th of March. They shift by a few minutes day to day across the month.

Photography light in Buenos Aires — March

Golden-hour and blue-hour windows for the 15th of March, in Buenos Aires's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:52 AM – 6:32 AM
🌄 Golden hour (AM)
6:32 AM – 7:32 AM
🌇 Golden hour (PM)
6:32 PM – 7:32 PM
🌆 Blue hour (PM)
7:32 PM – 8:12 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Buenos Aires.

📅 When to book — Buenos Aires in March

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on March's tier (Shoulder) and Buenos Aires's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — March in Buenos Aires

Shoulder

Buenos Aires is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — March in Buenos Aires

☀️ UV Index (noon, 15th)
10.4
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural. Check current dengue/malaria advisories for the destination.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Buenos Aires in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 30°C / 86°F 20°C / 68°F 130 mm 8
February 29°C / 84°F 20°C / 68°F 125 mm 7
March 27°C / 81°F 18°C / 64°F 150 mm 7
April 22°C / 72°F 15°C / 59°F 110 mm 7
May 19°C / 66°F 11°C / 52°F 85 mm 6
June 15°C / 59°F 8°C / 46°F 65 mm 6
July 15°C / 59°F 7°C / 45°F 65 mm 7
August 17°C / 63°F 9°C / 48°F 75 mm 6
September 19°C / 66°F 11°C / 52°F 85 mm 7
October 22°C / 72°F 14°C / 57°F 125 mm 8
November 26°C / 79°F 17°C / 63°F 125 mm 8
December 29°C / 84°F 19°C / 66°F 130 mm 8

Other cities with similar March weather

🌍 See the full ranked list of climate twins for Buenos Aires in March →

Frequently asked questions

How hot is Buenos Aires in March?

In March, Buenos Aires averages a high of 27°C (81°F) and a low of 18°C (64°F) — generally warm.

Does it rain a lot in Buenos Aires in March?

March sees occasional rain in Buenos Aires, with about 7 rainy days on average.

Is March a good time to visit Buenos Aires?

March is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Buenos Aires in March?

Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full March packing list for Buenos Aires for a complete, climate-based checklist.

Open Buenos Aires on the interactive map

Check the live 10-day forecast and sunrise/sunset.