Planning for the weather is a good way to make your trip to Puerto Alegría relaxing and enjoyable, especially when you're splurging. The hottest months are usually September and October, with an average temperature of 25°C, while the coldest months are July and June, with an average of 24°C. The rainiest months in Puerto Alegría are March, June, May and April, with each month seeing an average of 411 mm of rainfall.