Best time to visit Buenos Aires: month-by-month weather (2026)
The highest-scoring months in Buenos Aires are Jan, Feb, Oct and Nov.
Best months
Jan, Feb, Oct and Nov
Peak season
Jan, Feb, Jul, Oct and Nov
Off season
Jun, Jul and Aug
Monthly Temperatures (°C)
Monthly Rainfall (mm)
Month-by-Month Guide
Temperature, rainfall and sunshine are measured. The visit score below is derived from those three (design spec §5.3)estimate.
Jan
BestTemp: 21.5°C – 29.2°C
Rain: 45mm
Sunshine: 12.8h/day
Visit score: 9.1/10
Feb
BestTemp: 21.4°C – 29.2°C
Rain: 80mm
Sunshine: 10.8h/day
Visit score: 8.2/10
Mar
Temp: 20.1°C – 26.7°C
Rain: 219mm
Sunshine: 9.9h/day
Visit score: 7.3/10
Apr
Temp: 14.3°C – 20.9°C
Rain: 113mm
Sunshine: 8.4h/day
Visit score: 6.7/10
May
Temp: 11.2°C – 17.5°C
Rain: 109mm
Sunshine: 7.3h/day
Visit score: 6.5/10
Jun
Temp: 8.4°C – 15.1°C
Rain: 38mm
Sunshine: 7.5h/day
Visit score: 6.3/10
Jul
Temp: 7.2°C – 14.2°C
Rain: 35mm
Sunshine: 8h/day
Visit score: 6.4/10
Aug
Temp: 8.9°C – 16°C
Rain: 112mm
Sunshine: 7.4h/day
Visit score: 4.5/10
Sep
Temp: 11°C – 18.9°C
Rain: 55mm
Sunshine: 9h/day
Visit score: 7.6/10
Oct
BestTemp: 14.1°C – 22.7°C
Rain: 79mm
Sunshine: 10.4h/day
Visit score: 9.1/10
Nov
BestTemp: 16.5°C – 24.9°C
Rain: 117mm
Sunshine: 11.3h/day
Visit score: 8.2/10
Dec
Temp: 19°C – 27.6°C
Rain: 82mm
Sunshine: 11.9h/day
Visit score: 8.2/10
When to go, and when not to
The best months to visit, based on year-round climate patterns, are January, February, October, and November. January and February bring the warmest days, with highs near 29.2C and more than 12 hours of average daily sunshine in January, while October and November offer cooler highs of 22.7C and 24.9C with 10 to 11 hours of sunshine.
Peak season overlaps with some of these months but also includes July, when demand rises even though the weather is cooler, with highs around 14.2C. Travelers visiting in March should expect the wettest conditions of the year, with about 219mm of rain, while the off-season months of June through August bring lower rainfall but also the coolest temperatures, with July lows dropping to about 7.2C.
Season Guide
Spring
September – November
Warming temperatures as the southern hemisphere heads into spring.
Packing tips
- · Light layers
- · Rain jacket
- · Comfortable walking shoes
Summer
December – February
Warmest months with long days. Peak holiday season.
Packing tips
- · Sunscreen
- · Hat
- · Light clothing
- · Refillable water bottle
Autumn
March – May
Cooling temperatures and shoulder season. Fewer crowds and better prices.
Packing tips
- · Medium layers
- · Sweater
- · Waterproof jacket
Winter
June – August
Coolest months. Some destinations offer unique winter experiences.
Packing tips
- · Warm coat
- · Scarf and gloves
- · Thermal layers
Keep reading
Sources
- GeoNames city database — CC BY 4.0, fetched September 14, 2026
- Open-Meteo climate archive — CC BY 4.0, fetched September 21, 2026
AI-written interpretation reviewed against the data above — claude-sonnet-5, generated September 21, 2026. Every number on this page comes from a dataset named here; the formulas are public.