Climate averages 1991–2020
Antofagasta weather
in August.
A mild, very dry month: the 11th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Antofagasta: daytime highs average 18.1°C and nights cool to about 11.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 7.5 mm of rain on roughly 3 days, which makes August a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 18 min on an average August day.
The nearest other city in this atlas is Calama (201 km away). In August its highs average 21.9°C, 3.9°C warmer than Antofagasta, with 2.5 mm of rain.
Among the 40 cities listed in Chile, Antofagasta ranks 8th of 40 for the warmest August highs and 4th of 40 for the driest August (rainfall, lowest first). The mean August high of those 40 cities is 15.5°C; Antofagasta is 2.5°C warmer than that mean.
From August to September, average highs rise by 0.5°C to 18.5°C, and monthly rainfall falls from 7.5 mm to 5.2 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Antofagasta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.9°C16.5°C | 16.5°C | 1.6 | 0.1 | 13.413 h |
| February | 23.2°C17.0°C | 17.0°C | 1.8 | 0.5 | 12.913 h |
| March | 22.3°C16.2°C | 16.2°C | 3.5 | 0.6 | 12.212 h |
| April | 20.6°C14.7°C | 14.7°C | 8.9 | 2.8 | 11.612 h |
| May | 19.4°C13.2°C | 13.2°C | 10 | 3.9 | 11.011 h |
| June | 18.4°C11.8°C | 11.8°C | 13 | 4.0 | 10.711 h |
| July | 17.9°C11.0°C | 11.0°C | 10 | 3.7 | 10.811 h |
| August, selected | 18.1°C11.3°C | 11.3°C | 7.5 | 2.6 | 11.311 h |
| September | 18.5°C11.7°C | 11.7°C | 5.2 | 1.8 | 11.912 h |
| October | 19.1°C12.2°C | 12.2°C | 4.5 | 0.9 | 12.613 h |
| November | 20.0°C13.2°C | 13.2°C | 3.5 | 0.7 | 13.213 h |
| December | 21.4°C14.8°C | 14.8°C | 1.9 | 0.2 | 13.614 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Calama in AugustChile · 201 kmHigh 21.9°C · Low 2.0°C · 2.5 mm rain
- Alto Hospicio in AugustChile · 377 kmHigh 19.5°C · Low 10.2°C · 0.5 mm rain
- Iquique (approximate) in AugustChile · 383 kmHigh 22.1°C · Low 13.5°C · 10 mm rain
- Copiapó in AugustChile · 413 kmHigh 24.2°C · Low 11.2°C · 3.0 mm rain
- Arica in AugustChile · 576 kmHigh 17.2°C · Low 12.3°C · 20 mm rain
- San Ramón de la Nueva Orán in AugustArgentina · 622 kmHigh 25.0°C · Low 12.4°C · 8.3 mm rain
- Tacna in AugustPeru · 627 kmHigh 19.4°C · Low 12.9°C · 3.6 mm rain
- Tarija in AugustBolivia · 628 kmHigh 20.8°C · Low 5.9°C · 15 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Antofagasta) is explained once on the Antofagasta year overview and on the Sources, method and limits page.