Buenos Aires weather in October 2025

Expect daytime maximum temperatures of 22°C in Buenos Aires, Argentina in October based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 111 mm of rainfall in the month.

  • 22°C maximum daytime temperature in October in Buenos Aires22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in October in Buenos Aires10
    10 days with some rainfall
  • 13°C minimum night-time temperature in October in Buenos Aires13
    13°C min night temperature
  • 13 hours of daylight per day in October in Buenos Aires13
    13 hours of daylight per day
  • No heat & humidity in October in Buenos Aires0
    No heat & humidity
  • 111 mm monthly rainfall in October in Buenos Aires111
    111 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in October in Buenos Aires8
    8 (Very High) UV index
  • 17°C sea temperature in October in Buenos Aires17
    17°C sea temperature

More about Buenos Aires

Buenos Aires by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Argentina

ITA Airways: Best offers on flights from London

  • Explore low fares on flights to Italy, Europe & beyond
  • Book flights to Milan, Rome, Puglia & Sicily
  • Plus connecting flights to Buenos Aires, Jeddah & more
Go to ITA Airways deal >>

The October weather guide for Argentina (Buenos Aires) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Buenos Aires

How hot is it in Buenos Aires in October?

Daytime temperatures usually reach 22°C in Buenos Aires in October, falling to 13°C at night.

How sunny is it in Buenos Aires in October?

There are normally 7 hours of bright sunshine each day in Buenos Aires in October - that's 55% of daylight hours.

How warm is the sea around Buenos Aires in October?

The average sea temperature around Buenos Aires in October is 17°C.

Does it rain in Buenos Aires in October?

There are usually 10 days with some rain in Buenos Aires in October and the average monthly rainfall is 111mm.

Buenos Aires October sunrise & sunset times

Browse the sunrise and sunset times for Buenos Aires in October 2025. Select a month to view Buenos Aires sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:30 18:57
Thursday, 16th October 2025 06:10 19:09
Friday, 31st October 2025 05:53 19:22

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^