Buenos Aires
Long term weather forecast
Long term weather forecast

January weather forecast and Climate
Buenos Aires, Argentina

The temperatures are high in January and set a warm mood for the year. Ranging between 68°F (20°C) and 84.2°F (29°C) the temperature makes it a perfect time for a swim, as the sea temperature itself is measuring up to 73.4°F (23°C). The humidity measures 65%, high enough due to the high rainfall amount in January measuring up to 4.7" (119.4mm). Expect a few lightning flashes and thunderstorms common during this time.
  • Average high temperature in January: 30.4°C

Warmest month (with highest average high temperature) is January (30.4°C).
Month with lowest average high temperature is July (16°C).

  • Average low temperature in January: 20.2°C

Month with highest average low temperature is January (20.2°C).
Coldest month (with lowest average low temperature) is July (7.7°C).

  • Average humidity in January: 65%

Months with highest relative humidity are June and July (79%).
Month with lowest relative humidity is December (64%).

  • Average rainfall in January: 167.5mm

Wettest month (with highest rainfall) is March (172.3mm).
Driest month (with lowest rainfall) is June (54.8mm).

  • Average rainfall days in January: 9.5 days

Month with highest number of rainy days is March (10 days).
Month with lowest number of rainy days is May (6.6 days).

  • Average sea temperature in January: 25°C

Best month for swimming (with highest average sea temperature) is January (25°C).
Coldest month (with lowest average sea temperature) is July (11.9°C).

  • Average daylight in January: 14h

Months with longest days are January, November and December (Average daylight: 14h).
Months with shortest days are May, June and July (Average daylight: 10h).

  • Average sunshine in January: 8.9h

Month with most sunshine is January (Average sunshine: 8.9h).
Months with least sunshine are June and July (Average sunshine: 4.8).

  • Average UV index in January: 12

Months with highest UV index are January and December (UV index 12).
Months with lowest UV index are June and July (UV index 2).