Climate averages 1991–2020
Antofagasta weather
in May.
A mild, very dry month: the 7th warmest and the joint 10th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Antofagasta: daytime highs average 19.4°C and nights cool to about 13.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 10 mm of rain on roughly 4 days, which makes May a very dry month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 59 min on an average May day.
The nearest other city in this atlas is Calama (201 km away). In May its highs average 21.8°C, 2.4°C warmer than Antofagasta, with 4.5 mm of rain.
Among the 40 cities listed in Chile, Antofagasta ranks joint 12th of 40 for the warmest May highs and 5th of 40 for the driest May (rainfall, lowest first). The mean May high of those 40 cities is 17.5°C; Antofagasta is 1.9°C warmer than that mean.
From May to June, average highs fall by 1.0°C to 18.4°C, and monthly rainfall rises from 10 mm to 13 mm.
The annual picture
May 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, selected | 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
May in nearby cities
- Calama in MayChile · 201 kmHigh 21.8°C · Low 2.8°C · 4.5 mm rain
- Alto Hospicio in MayChile · 377 kmHigh 21.2°C · Low 12.0°C · 0.3 mm rain
- Iquique (approximate) in MayChile · 383 kmHigh 23.8°C · Low 15.4°C · 7.6 mm rain
- Copiapó in MayChile · 413 kmHigh 24.7°C · Low 13.3°C · 7.7 mm rain
- Arica in MayChile · 576 kmHigh 20.1°C · Low 14.9°C · 24 mm rain
- San Ramón de la Nueva Orán in MayArgentina · 622 kmHigh 21.6°C · Low 14.5°C · 31 mm rain
- Tacna in MayPeru · 627 kmHigh 21.6°C · Low 15.0°C · 4.1 mm rain
- Tarija in MayBolivia · 628 kmHigh 19.2°C · Low 7.6°C · 24 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.