Best Time to Visit Buenos Aires
Argentina · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
Recommended Months
Based on temperature comfort, low precipitation, and sunshine hours, the best time to visit Buenos Aires is:
December → February → January
December scores 67/100 — the highest-rated month for travel.
Monthly Ratings (0-100)
Scores are weighted: temperature comfort (50%), low precipitation (30%), sunshine (20%). Higher is better.
| Month | Overall Score | Temp Comfort | Precipitation | Sunshine | Bar |
|---|---|---|---|---|---|
| January | 46 | 92 | 0 | 0 | |
| February | 49 | 98 | 0 | 0 | |
| March | 48 | 96 | 0 | 0 | |
| April | 38 | 75 | 0 | 0 | |
| May | 26 | 52 | 0 | 0 | |
| June | 21 | 42 | 0 | 0 | |
| July | 18 | 37 | 0 | 0 | |
| August | 22 | 45 | 0 | 0 | |
| September | 28 | 57 | 0 | 0 | |
| October | 36 | 72 | 0 | 0 | |
| November | 45 | 90 | 0 | 0 | |
| December | 50 | 99 | 0 | 0 |
Monthly Temperature Comfort
| Month | Mean Temp | Comfort Level |
|---|---|---|
| January | 24.7°C (76.5°F) | Warm (18-24°C) |
| February | 23.5°C (74.3°F) | Warm (18-24°C) |
| March | 22.2°C (72.0°F) | Warm (18-24°C) |
| April | 18.0°C (64.4°F) | Warm (18-24°C) |
| May | 13.4°C (56.1°F) | Mild (10-17°C) |
| June | 11.5°C (52.7°F) | Mild (10-17°C) |
| July | 10.4°C (50.7°F) | Mild (10-17°C) |
| August | 12.0°C (53.6°F) | Mild (10-17°C) |
| September | 14.4°C (57.9°F) | Mild (10-17°C) |
| October | 17.3°C (63.1°F) | Mild (10-17°C) |
| November | 20.9°C (69.6°F) | Warm (18-24°C) |
| December | 22.8°C (73.0°F) | Warm (18-24°C) |
Monthly Precipitation Rating
| Month | Rainfall (mm) | Rainy Days | Rating |
|---|---|---|---|
| January | 75.1 mm | 11.2 | Wet |
| February | 79.2 mm | 11.0 | Wet |
| March | 166.9 mm | 13.2 | Very Wet |
| April | 98.9 mm | 10.8 | Wet |
| May | 47.6 mm | 6.4 | Moderate |
| June | 35.7 mm | 10.8 | Moderate |
| July | 43.2 mm | 8.6 | Moderate |
| August | 59.0 mm | 9.2 | Moderate |
| September | 63.5 mm | 9.6 | Wet |
| October | 66.2 mm | 11.8 | Wet |
| November | 91.6 mm | 11.0 | Wet |
| December | 67.1 mm | 11.4 | Wet |
Monthly Sunshine Rating
| Month | Sunshine (hrs/day) | Rating |
|---|---|---|
| January | 12.1 hrs | Excellent |
| February | 11.5 hrs | Excellent |
| March | 10.1 hrs | Excellent |
| April | 8.8 hrs | Excellent |
| May | 8.1 hrs | Excellent |
| June | 7.5 hrs | Good |
| July | 7.9 hrs | Good |
| August | 8.3 hrs | Excellent |
| September | 9.0 hrs | Excellent |
| October | 10.6 hrs | Excellent |
| November | 11.5 hrs | Excellent |
| December | 12.6 hrs | Excellent |
Season-by-Season Breakdown
Spring (Mar-May)
Temperature: 17.9°C (64.2°F)
Rainfall: 104.5mm avg
Sunshine: 9.0 hrs/day
Humidity: 76.2%
Rainy Days: 10.1/mo
Mild transitional weather — comfortable for most activities.
Summer (Jun-Aug)
Temperature: 11.3°C (52.3°F)
Rainfall: 46.0mm avg
Sunshine: 7.9 hrs/day
Humidity: 78.0%
Rainy Days: 9.5/mo
Mild transitional weather — comfortable for most activities.
Autumn (Sep-Nov)
Temperature: 17.5°C (63.5°F)
Rainfall: 73.8mm avg
Sunshine: 10.4 hrs/day
Humidity: 70.0%
Rainy Days: 10.8/mo
Mild transitional weather — comfortable for most activities.
Winter (Dec-Feb)
Temperature: 23.7°C (74.7°F)
Rainfall: 73.8mm avg
Sunshine: 12.1 hrs/day
Humidity: 66.1%
Rainy Days: 11.2/mo
This is the warm season. Ideal for outdoor activities but be prepared for heat.
Frequently Asked Questions
What is the best time to visit Buenos Aires?
Based on our data-driven analysis, the best months to visit Buenos Aires are December, February, January, when temperatures are comfortable, rainfall is lower, and sunshine is plentiful. December scores 67/100, the highest-rated month.
What is the hottest month in Buenos Aires?
January is the hottest month with an average temperature of 24.7°C (76.5°F).
What is the coldest month in Buenos Aires?
July is the coldest month with an average temperature of 10.4°C (50.7°F).
When is the rainy season in Buenos Aires?
March is the wettest month with an average of 166.9mm of precipitation. Buenos Aires experiences about 125.0 rainy days per year. The driest month is June with 35.7mm.
What should I pack for a trip to Buenos Aires?
Packing recommendations depend on the season of your visit. Based on the climate data, pack lightweight, breathable clothing if visiting during the warm months (January is hottest at 24.7°C). For cooler months, bring layers and a warm jacket (July averages 10.4°C). A waterproof jacket or umbrella is recommended year-round as Buenos Aires receives 894.0mm of annual precipitation. Sun protection is important, especially during months with high UV index.
If you're planning outdoor activities in Buenos Aires, the seasons are flipped but mild. I ran the Costanera Sur in January (summer): 30°C with 70% humidity, draining but the river breeze helped. March-April is the outdoor sweet spot: 22°C, manageable UV, empty paths. October-November is similarly ideal — jacarandas blooming, 20°C, perfect cycling weather. July (winter) brings 12°C and dampness; running is fine but mornings feel raw. UV peaks dangerously in January (11+); sun protection is mandatory between 10am-4pm. The wind off the Río de la Plata is constant and can be bracing in winter.
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: -34.61°, -58.38°. Timezone: America/Argentina/Buenos_Aires. Last updated: 2026-07-30.