Buenos Aires Weather in January
In January, Buenos Aires averages a high of 31°C (87°F) and a low of 19°C (67°F), based on 55 years of historical weather data from AEROPARQUE JORGE NEWBERY.
31°C
Average high
87°F
19°C
Average low
67°F
42°C
Record high
108°F · 2022
7°C
Record low
44°F · 2014
What to Expect in Buenos Aires in January
Typical January days in Buenos Aires reach 31°C (87°F) during the afternoon and cool to around 19°C (67°F) overnight. On average, measurable rain falls on about 42% of days this month. Over the past 55 years, January temperatures in Buenos Aires have ranged from a record high of 42°C (2022) down to a record low of 7°C (2014).
For a day-by-day look or other months, see the full Buenos Aires weather history.