Climate averages 1991–2020
Copiapó weather
in August.
A warm, very dry month: the 10th 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 warm month in Copiapó: daytime highs average 24.2°C and nights cool to about 11.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 3.0 mm of rain on fewer than one day, which makes August a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 09 min on an average August day.
The nearest other city in this atlas is La Serena (296 km away). In August its highs average 19.4°C, 4.8°C cooler than Copiapó, with 15 mm of rain.
Among the 40 cities listed in Chile, Copiapó ranks 1st of 40 for the warmest August highs and 3rd of 40 for the driest August (rainfall, lowest first). The mean August high of those 40 cities is 15.5°C; Copiapó is 8.7°C warmer than that mean.
From August to September, average highs rise by 1.0°C to 25.2°C, and monthly rainfall falls from 3.0 mm to 1.8 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
Copiapó climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C18.2°C | 18.2°C | 0.2 | 0.0 | 13.714 h |
| February | 29.4°C18.4°C | 18.4°C | 0.3 | 0.1 | 13.013 h |
| March | 28.5°C18.1°C | 18.1°C | 4.5 | 0.3 | 12.312 h |
| April | 26.6°C16.5°C | 16.5°C | 2.1 | 0.3 | 11.511 h |
| May | 24.7°C13.3°C | 13.3°C | 7.7 | 1.0 | 10.811 h |
| June | 23.4°C10.4°C | 10.4°C | 6.2 | 0.8 | 10.410 h |
| July | 23.0°C9.1°C | 9.1°C | 5.8 | 1.1 | 10.611 h |
| August, selected | 24.2°C11.2°C | 11.2°C | 3.0 | 0.6 | 11.211 h |
| September | 25.2°C13.3°C | 13.3°C | 1.8 | 0.4 | 11.912 h |
| October | 26.6°C15.1°C | 15.1°C | 0.4 | 0.2 | 12.713 h |
| November | 27.7°C16.1°C | 16.1°C | 0.1 | 0.1 | 13.413 h |
| December | 28.6°C17.0°C | 17.0°C | 0.5 | 0.1 | 13.814 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
- La Serena in AugustChile · 296 kmHigh 19.4°C · Low 11.2°C · 15 mm rain
- Coquimbo in AugustChile · 304 kmHigh 18.2°C · Low 10.8°C · 15 mm rain
- Ovalle in AugustChile · 369 kmHigh 21.0°C · Low 8.6°C · 26 mm rain
- Antofagasta in AugustChile · 413 kmHigh 18.1°C · Low 11.3°C · 7.5 mm rain
- Catamarca in AugustArgentina · 463 kmHigh 21.3°C · Low 8.7°C · 17 mm rain
- San Juan, Argentina in AugustArgentina · 496 kmHigh 19.4°C · Low 5.0°C · 10 mm rain
- Rawson in AugustArgentina · 500 kmHigh 19.1°C · Low 4.3°C · 10 mm rain
- Calama in AugustChile · 564 kmHigh 21.9°C · Low 2.0°C · 2.5 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 Copiapó) is explained once on the Copiapó year overview and on the Sources, method and limits page.