Ushuaia weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Poor
Best time to visit: May – March
What is the weather like in Ushuaia in August?
In August, Ushuaia is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−3 °C). The sea averages 5.8 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 15 days, totalling 62 mm. Snow falls on about 10 days. All in all, August is not an ideal month for a holiday in Ushuaia.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 4 | 5 | 9 |
| Day | 1° | 2° | 4° |
| Night | −4° | −3° | −2° |
| Sea | 6° | 6° | 6° |
| Sun | 2 h | 3 h | 4 h |
| Rain days | 15 | 15 | 15 |
More details for August
- Daylight
- 9 h 23 min08:57 – 18:20
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 76 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 10 days1 cm or more of fresh snowAll months
- Time zone
- UTC−3America/Argentina/Ushuaia
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 20 %23 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Ushuaia in August: quick answers
Is Ushuaia hot in August?
No. In August, Ushuaia is freezing cold: daytime highs average 2 °C and nights drop to about −3 °C.
Can you swim in Ushuaia in August?
Only if you don't mind cold water: in August the sea averages just 5.8 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Ushuaia in August?
It rains often – on about 15 days, adding up to 62 mm.
Ushuaia month by month
The whole year in UshuaiaAll destinations: ArgentinaWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences