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Argentina weather in October 2025
Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Argentina in October. Check more long-term weather averages for Argentina in October before you book your next holiday to Argentina in 2025/2026.
- 22°C max day temperature
22 - 7 hours of sunshine per day
- 10 days with some rainfall
10 - 13°C min night temperature
13 - 13 hours of daylight per day
13 - No heat & humidity
0 - 111 mm of monthly rainfall
111 - 8 (Very High) UV index
8 - 17°C sea temperature
17
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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.
Top Argentina destinations
Below are average maximum temperatures at popular countries, regions and places in Argentina in October. Select a holiday destination to see more weather parameters.
All Argentina destinations
- Bahia Blanca
- Buenos Aires
- Comodoro Rivadavia
- Cordoba
- El Calafate
- Iguazu Falls
- Mar del Plata
- Mendoza
- Rosario
- Salta
- San Carlos de Bariloche
- San Miguel de Tucuman
- Ushuaia
Metric (°C / mm) | Imperial (°F / inches)
More about Argentina
How hot is it in Argentina in October?
Daytime temperatures usually reach 22°C in Buenos Aires, Argentina in October, falling to 13°C at night.
How sunny is it in Argentina in October?
There are normally 7 hours of bright sunshine each day in Buenos Aires, Argentina in October - that's 55% of daylight hours.
How warm is the sea around Argentina in October?
The average sea temperature around Buenos Aires, Argentina in October is 17°C.
Does it rain in Argentina in October?
There are usually 10 days with some rain in Buenos Aires, Argentina in October and the average monthly rainfall is 111mm.
Argentina October sunrise & sunset times
Browse the sunrise and sunset times for Argentina in October 2025. Select a month to view Argentina sunrise and sunset times for the next 12 months. The Argentina sunrise and sunset times shown below are for Buenos Aires.
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 |
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