Taking the local weather in Antofagasta into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually February and January, with an average temperature of 20°C, while the coldest months are July and August, with an average of 15°C. Between January and March, the daytime average is 24°C and the night-time average is 18°C. Between April and June, temperatures average 21°C during the day and 13°C at night. Between July and September, the temperature averages 18°C during the day and 12°C at night. Between October and December, the average temperature is 22°C during the day and 13°C at night.