Antofagasta 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
Excellent
Best time to visit: January – December
What is the weather like in Antofagasta in August?
In August, Antofagasta is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 15.2 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. It hardly ever rains. All in all, August is an excellent month for a holiday in Antofagasta.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 93 | 96 | 99 |
| Day | 18° | 18° | 19° |
| Night | 11° | 11° | 12° |
| Sea | 15° | 15° | 15° |
| Sun | 7 h | 8 h | 9 h |
| Rain days | 1 | 1 | 0 |
More details for August
- Daylight
- 11 h 16 min07:08 – 18:25
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 36 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−4America/Santiago
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %82 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Antofagasta in August: quick answers
Is Antofagasta hot in August?
No. In August, Antofagasta is mild: daytime highs average 18 °C and nights drop to about 11 °C.
Can you swim in Antofagasta in August?
Only if you don't mind cold water: in August the sea averages just 15.2 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Antofagasta in August?
It hardly ever rains.
Antofagasta month by month
The whole year in AntofagastaAll destinations: ChileWhere 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