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Buenos Aires weather in August 2025
Expect 63°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Buenos Aires in August. Check more long-term weather averages for Buenos Aires in August before you book your next holiday to Argentina in 2025/2026.
- 63°F max day temperature
63 - 6 hours of sunshine per day
- 7 days with some rainfall
7 - 46°F min night temperature
46 - 11 hours of daylight per day
11 - No heat & humidity
0 - 2.6 inches of monthly rainfall
2.6 - 4 (Moderate) UV index
4 - 55°F sea temperature
55
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The August 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) | Imperial (°F)
More about Buenos Aires
How warm is it in Buenos Aires in August?
Daytime temperatures usually reach 63°F in Buenos Aires in August, falling to 46°F at night.
How sunny is it in Buenos Aires in August?
There are normally 6 hours of bright sunshine each day in Buenos Aires in August - that's 51% of daylight hours.
How warm is the sea around Buenos Aires in August?
The average sea temperature around Buenos Aires in August is 55°F.
Does it rain in Buenos Aires in August?
There are usually 7 days with some rain in Buenos Aires in August and the average monthly rainfall is 2.6 inches.
Buenos Aires August sunrise & sunset times
Browse the sunrise and sunset times for Buenos Aires in August 2025. Select a month to view Buenos Aires sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 07:47 | 18:13 |
| Saturday, 16th August 2025 | 07:32 | 18:24 |
| Sunday, 31st August 2025 | 07:13 | 18:35 |
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