Toliara in July

April through October offers the sweet spot — dry weather, manageable temperatures, and calm seas perfect for diving. July and August see the most visitors, so book accommodations early. The dry season means daytime temperatures hover around 77°F (25°C), dropping to comfortable sleeping weather at night. This is when you'll have the best visibility underwater and easiest access to remote areas. Avoid November through March unless you enjoy intense heat and cyclone season. Temperatures can hit 95°F (35°C) with oppressive humidity. Many tour operators shut down during peak rainy months when roads become impassable. Here's an insider tip: May and September offer the best balance of good weather and fewer crowds. Hotel rates drop slightly, and you'll have beaches and dive sites more to yourself.