There’s nothing like an all-inclusive vacation in Lower Zambezi National Park to rejuvenate you, especially when you know what kind of weather to expect. Here’s some info to help you choose when to book: The hottest months are usually October and November with an average temp of 83°F, while the coldest months are July and June with an average of 71°F. September and August are the driest months while January and February are the rainiest months.