Climate averages 1991–2020
Copiapó weather
in March.
A hot, very dry month: the 4th warmest and the 9th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Copiapó: daytime highs average 28.5°C and nights cool to about 18.1°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 4.5 mm of rain on fewer than one day, which makes March a very dry month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average March day.
The nearest other city in this atlas is La Serena (296 km away). In March its highs average 24.8°C, 3.7°C cooler than Copiapó, with 4.5 mm of rain.
Among the 40 cities listed in Chile, Copiapó ranks 1st of 40 for the warmest March highs and joint 9th of 40 for the driest March (rainfall, lowest first). The mean March high of those 40 cities is 23.9°C; Copiapó is 4.6°C warmer than that mean.
From March to April, average highs fall by 1.8°C to 26.6°C, and monthly rainfall falls from 4.5 mm to 2.1 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- La Serena in MarchChile · 296 kmHigh 24.8°C · Low 17.7°C · 4.5 mm rain
- Coquimbo in MarchChile · 304 kmHigh 23.4°C · Low 16.9°C · 4.5 mm rain
- Ovalle in MarchChile · 369 kmHigh 28.2°C · Low 16.3°C · 5.1 mm rain
- Antofagasta in MarchChile · 413 kmHigh 22.3°C · Low 16.2°C · 3.5 mm rain
- Catamarca in MarchArgentina · 463 kmHigh 26.0°C · Low 17.9°C · 109 mm rain
- San Juan, Argentina in MarchArgentina · 496 kmHigh 27.2°C · Low 15.8°C · 24 mm rain
- Rawson in MarchArgentina · 500 kmHigh 26.9°C · Low 15.2°C · 24 mm rain
- Calama in MarchChile · 564 kmHigh 24.5°C · Low 7.7°C · 5.6 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.