Buenos Aires weather, reported by Guinness
The live pet-owner forecast for Buenos Aires, Argentina: walk verdicts, paw-safety context, and a very good weather anchor. Real forecast data, reported with more tail wags than your usual station.
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Verdicts use the same temperature bands as our vet-sourced guides to safe walking temperatures and cold-weather limits, including the humidity bump and the 7-second pavement test.
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10-day Buenos Aires forecast
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What Buenos Aires weather usually means for pets
Averages tell you what to plan a wardrobe around. Here is Buenos Aires's typical year with a dog-walk comfort rating for each month, using the same bands as the live verdict above.
| Month | Avg high | Avg low | Typical midday walk |
|---|---|---|---|
| January | 86.2°F / 30°C | 68.4°F / 20°C | Risky — early/late only |
| February | 84°F / 29°C | 66.9°F / 19°C | Risky — early/late only |
| March | 80.6°F / 27°C | 63.9°F / 18°C | Caution — shade & water |
| April | 73.8°F / 23°C | 57.4°F / 14°C | Fine for most dogs |
| May | 66.9°F / 19°C | 52°F / 11°C | Safe — great walk weather |
| June | 61.5°F / 16°C | 47.1°F / 8°C | Safe — great walk weather |
| July | 59.9°F / 16°C | 45.5°F / 8°C | Safe — great walk weather |
| August | 64.2°F / 18°C | 48°F / 9°C | Safe — great walk weather |
| September | 67.5°F / 20°C | 51.1°F / 11°C | Safe — great walk weather |
| October | 72.7°F / 23°C | 56.1°F / 13°C | Fine for most dogs |
| November | 78.8°F / 26°C | 61°F / 16°C | Caution — shade & water |
| December | 84.2°F / 29°C | 65.3°F / 19°C | Risky — early/late only |
Record high: 110°F / 43°C (January 29, 1957) · Record low: 22°F / -6°C (July 9, 1918)
Climate data: Servicio Meteorologico Nacional (Argentina) 1991-2020 climate normals (Buenos Aires Central Observatory).
Buenos Aires weather facts every pet owner should know
- January in Buenos Aires averages highs of 86.2F, well past the 82F risky band for dog walks, so porteno dogs do their summer strolling at dawn or after dark.
- The city's record high of 110F, set January 29, 1957, remains a warning: on real heat waves, pavement in the humid Rio de la Plata air can burn paws long after midday.
- Winters are gentle: July highs average 59.9F with lows of 45.5F, right at the 45F coat threshold, so most dogs need only a light sweater on the chilliest mornings.
- Sitting on the humid estuary of the Rio de la Plata, Buenos Aires pairs its heat with sticky humidity, which makes an 86F afternoon feel far hotter to a panting dog than the same reading in a dry climate.
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