Climate averages 1991–2020
Copiapó weather
in October.
A warm, very dry month: the joint 6th warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Copiapó: daytime highs average 26.6°C and nights cool to about 15.1°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical October (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 43 min on an average October day.
The nearest other city in this atlas is La Serena (296 km away). In October its highs average 22.1°C, 4.5°C cooler than Copiapó, with 4.7 mm of rain.
Among the 40 cities listed in Chile, Copiapó ranks 1st of 40 for the warmest October highs and 3rd of 40 for the driest October (rainfall, lowest first). The mean October high of those 40 cities is 19.1°C; Copiapó is 7.5°C warmer than that mean.
From October to November, average highs rise by 1.1°C to 27.7°C, and monthly rainfall stays under 1 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- La Serena in OctoberChile · 296 kmHigh 22.1°C · Low 13.7°C · 4.7 mm rain
- Coquimbo in OctoberChile · 304 kmHigh 20.7°C · Low 12.9°C · 4.7 mm rain
- Ovalle in OctoberChile · 369 kmHigh 25.2°C · Low 12.4°C · 6.3 mm rain
- Antofagasta in OctoberChile · 413 kmHigh 19.1°C · Low 12.2°C · 4.5 mm rain
- Catamarca in OctoberArgentina · 463 kmHigh 26.6°C · Low 15.9°C · 65 mm rain
- San Juan, Argentina in OctoberArgentina · 496 kmHigh 25.1°C · Low 11.8°C · 21 mm rain
- Rawson in OctoberArgentina · 500 kmHigh 24.7°C · Low 11.2°C · 21 mm rain
- Calama in OctoberChile · 564 kmHigh 24.5°C · Low 4.9°C · 0.1 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.