Planning for the weather is a good way to make your trip to Iquique relaxing and enjoyable, especially when you're splurging. The hottest months are usually February and January, with an average temperature of 21°C, while the coldest months are August and July, with an average of 16°C. Between January and March, the daytime average is 26°C and the night-time average is 18°C. Between April and June, temperatures average 24°C during the day and 13°C at night. Between July and September, the temperature averages 21°C during the day and 12°C at night. Between October and December, the average temperature is 24°C during the day and 13°C at night.