Climate averages 1991–2020
Antofagasta weather
in July.
A mild, very dry month: the coolest and the joint 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Antofagasta: daytime highs average 17.9°C and nights cool to about 11.0°C. By daytime temperature it is the coolest month of the year.
Expect about 10 mm of rain on roughly 4 days, which makes July a very dry month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 49 min on an average July day.
The nearest other city in this atlas is Calama (201 km away). In July its highs average 20.3°C, 2.4°C warmer than Antofagasta, with 3.3 mm of rain.
Among the 40 cities listed in Chile, Antofagasta ranks 7th of 40 for the warmest July highs and 4th of 40 for the driest July (rainfall, lowest first). The mean July high of those 40 cities is 14.5°C; Antofagasta is 3.5°C warmer than that mean.
From July to August, average highs rise by 0.1°C to 18.1°C, and monthly rainfall falls from 10 mm to 7.5 mm.
The annual picture
July 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, selected | 17.9°C11.0°C | 11.0°C | 10 | 3.7 | 10.811 h |
| August | 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
July in nearby cities
- Calama in JulyChile · 201 kmHigh 20.3°C · Low 1.3°C · 3.3 mm rain
- Alto Hospicio in JulyChile · 377 kmHigh 19.2°C · Low 9.8°C · 0.5 mm rain
- Iquique (approximate) in JulyChile · 383 kmHigh 21.9°C · Low 13.0°C · 16 mm rain
- Copiapó in JulyChile · 413 kmHigh 23.0°C · Low 9.1°C · 5.8 mm rain
- Arica in JulyChile · 576 kmHigh 17.1°C · Low 12.5°C · 29 mm rain
- San Ramón de la Nueva Orán in JulyArgentina · 622 kmHigh 20.8°C · Low 10.6°C · 9.2 mm rain
- Tacna in JulyPeru · 627 kmHigh 18.9°C · Low 13.0°C · 3.9 mm rain
- Tarija in JulyBolivia · 628 kmHigh 19.1°C · Low 4.2°C · 8.5 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 Antofagasta) is explained once on the Antofagasta year overview and on the Sources, method and limits page.