Planning for the weather is a good way to make your trip to João Pessoa relaxing and enjoyable, especially when you're splurging. The hottest months are usually March and February, with an average temperature of 27°C, while the coldest months are August and July, with an average of 25°C. The rainiest months in João Pessoa are July, May, June and April, with each month seeing an average of 194 mm of rainfall.