Climate averages 1991–2020
Antofagasta weather
in January.
A warm, very dry month: the 2nd warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Antofagasta: daytime highs average 22.9°C and nights cool to about 16.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 1.6 mm of rain on fewer than one day, which makes January a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 25 min on an average January day.
The nearest other city in this atlas is Calama (201 km away). In January its highs average 24.8°C, 1.9°C warmer than Antofagasta, with 8.7 mm of rain.
Among the 40 cities listed in Chile, Antofagasta ranks 33rd of 40 for the warmest January highs and 10th of 40 for the driest January (rainfall, lowest first). The mean January high of those 40 cities is 25.5°C; Antofagasta is 2.6°C cooler than that mean.
From January to February, average highs rise by 0.4°C to 23.2°C, and monthly rainfall rises from 1.6 mm to 1.8 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Calama in JanuaryChile · 201 kmHigh 24.8°C · Low 9.5°C · 8.7 mm rain
- Alto Hospicio in JanuaryChile · 377 kmHigh 24.5°C · Low 16.9°C · 2.9 mm rain
- Iquique (approximate) in JanuaryChile · 383 kmHigh 27.2°C · Low 20.1°C · 1.0 mm rain
- Copiapó in JanuaryChile · 413 kmHigh 29.4°C · Low 18.2°C · 0.2 mm rain
- Arica in JanuaryChile · 576 kmHigh 26.6°C · Low 19.5°C · 9.5 mm rain
- San Ramón de la Nueva Orán in JanuaryArgentina · 622 kmHigh 30.2°C · Low 21.5°C · 206 mm rain
- Tacna in JanuaryPeru · 627 kmHigh 26.4°C · Low 17.9°C · 23 mm rain
- Tarija in JanuaryBolivia · 628 kmHigh 22.8°C · Low 14.6°C · 220 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.