Buenos Aires Weather
Buenos Aires weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec.
Buenos Aires current weather
Buenos Aires now (local time 08:00)
13°C
Clear
- Feels like
- 12°
- Humidity
- 88%
- Wind
- 9 km/h
Next 7 days · what to wear
11° – 23°C
Rain likely on 3 of 7 days
👕 Long sleeves with a light jacket or sweater; it's wet, so pack a compact umbrella.
Buenos Aires 14-day forecast
Today
10/4
⛅
23°
11°
💧0%
Mon
10/5
☁️
20°
14°
💧2%
Tue
10/6
🌦️
20°
13°
💧25%
Wed
10/7
🌦️
18°
15°
💧72%
Thu
10/8
🌦️
18°
15°
💧33%
Fri
10/9
🌦️
17°
15°
💧41%
Sat
10/10
🌦️
17°
15°
💧52%
Sun
10/11
☁️
18°
14°
💧22%
Mon
10/12
☁️
18°
15°
💧24%
Tue
10/13
🌦️
19°
15°
💧35%
Wed
10/14
🌦️
20°
15°
💧53%
Thu
10/15
🌦️
21°
14°
💧47%
Fri
10/16
🌦️
22°
15°
💧27%
Sat
10/17
☁️
20°
13°
💧24%
Best time to visit Buenos Aires
On temperature and rainfall, the most comfortable months in Buenos Aires are Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec. The hottest month is January (average high 28°C) and the coldest is July (average low 9°C).
Buenos Aires climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| JanBest | 28°C | 22°C | 104 mm | 68% | +8°C |
| FebBest | 27°C | 21°C | 121 mm | 72% | +6°C |
| MarBest | 25°C | 19°C | 123 mm | 74% | +2°C |
| AprBest | 21°C | 16°C | 98 mm | 75% | -5°C |
| MayBest | 17°C | 13°C | 74 mm | 80% | -12°C |
| JunBest | 14°C | 10°C | 54 mm | 81% | -16°C |
| JulBest | 13°C | 9°C | 72 mm | 81% | -18°C |
| AugBest | 15°C | 10°C | 71 mm | 80% | -17°C |
| SepBest | 17°C | 12°C | 83 mm | 78% | -14°C |
| OctBest | 20°C | 15°C | 109 mm | 76% | -9°C |
| NovBest | 24°C | 17°C | 101 mm | 71% | -2°C |
| DecBest | 26°C | 20°C | 94 mm | 68% | +5°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Buenos Aires weather month by month: what to wear
Buenos Aires in OctoberBest monthThis month
October in Buenos Aires is mild and cool: average highs of 20°C and lows of 15°C, around 109 mm of rain (some rain) and 76% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Buenos Aires in NovemberBest month
November in Buenos Aires is pleasantly warm: average highs of 24°C and lows of 17°C, around 101 mm of rain (some rain) and 71% humidity — about 2°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Buenos Aires in DecemberBest month
December in Buenos Aires is warm to hot: average highs of 26°C and lows of 20°C, around 94 mm of rain (some rain) and 68% humidity — about 5°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Buenos Aires in JanuaryBest month
January in Buenos Aires is warm to hot: average highs of 28°C and lows of 22°C, around 104 mm of rain (some rain) and 68% humidity — about 8°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Buenos Aires in FebruaryBest month
February in Buenos Aires is warm to hot: average highs of 27°C and lows of 21°C, around 121 mm of rain (some rain) and 72% humidity — about 6°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Buenos Aires in MarchBest month
March in Buenos Aires is pleasantly warm: average highs of 25°C and lows of 19°C, around 123 mm of rain (some rain) and 74% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Buenos Aires in AprilBest month
April in Buenos Aires is pleasantly warm: average highs of 21°C and lows of 16°C, around 98 mm of rain (some rain) and 75% humidity — about 5°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Buenos Aires in MayBest month
May in Buenos Aires is mild and cool: average highs of 17°C and lows of 13°C, around 74 mm of rain (mostly dry) and 80% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
Buenos Aires in JuneBest month
June in Buenos Aires is chilly: average highs of 14°C and lows of 10°C, around 54 mm of rain (mostly dry) and 81% humidity — about 16°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 A sweater plus a coat or windbreaker.
Buenos Aires in JulyBest month
July in Buenos Aires is chilly: average highs of 13°C and lows of 9°C, around 72 mm of rain (mostly dry) and 81% humidity — about 18°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 A sweater plus a coat or windbreaker.
Buenos Aires in AugustBest month
August in Buenos Aires is chilly: average highs of 15°C and lows of 10°C, around 71 mm of rain (mostly dry) and 80% humidity — about 17°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
Buenos Aires in SeptemberBest month
September in Buenos Aires is mild and cool: average highs of 17°C and lows of 12°C, around 83 mm of rain (some rain) and 78% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
FAQ
›What is the best time to visit Buenos Aires?
On temperature and rainfall, the most comfortable months in Buenos Aires are Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec. The hottest month is January (average high 28°C) and the coldest is July (average low 9°C).
›What's the weather like in Buenos Aires in October, and what should I wear?
October in Buenos Aires is mild and cool: average highs of 20°C and lows of 15°C, around 109 mm of rain (some rain) and 76% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
›What's the weather like in Buenos Aires in November, and what should I wear?
November in Buenos Aires is pleasantly warm: average highs of 24°C and lows of 17°C, around 101 mm of rain (some rain) and 71% humidity — about 2°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
›When is the rainy season in Buenos Aires?
Buenos Aires is wettest in March, with about 123 mm on average, and driest in June, with about 54 mm.
›How cold does Buenos Aires get? Does it snow?
The coldest month is July, averaging 13°C by day and 9°C at night. Snow is very unlikely.
Planning a trip to Buenos Aires?
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: January; coldest: July.