Things to Do in Madagascar in May
May weather, activities, events & insider tips
May Weather in Madagascar
Is May Right for You?
Advantages
- Ideal wildlife viewing conditions - lemurs are most active in the cooler dry season, and you'll spot them easily in deciduous forests that have shed leaves. Chameleons, fossas, and endemic birds are all more visible now.
- Perfect hiking weather across the country - temperatures in the highlands around Andasibe-Mantadia and Ranomafana hover around 18-22°C (64-72°F) during the day, which is genuinely comfortable for full-day treks without the summer heat exhaustion
- Whale season is just beginning - southern right whales start arriving off Île Sainte-Marie in late May, and you'll avoid the July-September crowds while still catching early migrators. Water visibility for snorkeling is excellent at 20-25 m (65-82 ft).
- Roads are in their best condition - the dry season means the notorious RN5 and other unpaved routes are actually passable without getting stuck in mud. What takes 8 hours in rainy season might only take 5 hours now, which actually matters when you're planning multi-park itineraries.
Considerations
- Cooler temperatures in the highlands mean you'll need layers - Antsirabe and Fianarantsoa can drop to 8°C (46°F) at night, which catches first-timers off guard who packed only for tropical heat. Hotels outside Antananarivo often lack heating.
- It's technically shoulder season for international tourism, but domestic Malagasy travelers are active during school holidays in early May, so popular parks like Isalo can feel busier than expected on weekends
- Some coastal areas like Ifaty and Tuléar start getting noticeably cooler water temperatures around 23°C (73°F), which is fine for most swimmers but might disappoint those expecting bathwater-warm Indian Ocean conditions
Best Activities in May
Andasibe-Mantadia National Park lemur trekking
May is genuinely one of the two best months for lemur watching here. The indri lemurs are extremely vocal in the dry season mornings - you'll hear their haunting calls from 6am onwards, which makes locating family groups much easier. The diademed sifakas are also more active in cooler weather. Trails are dry and manageable, unlike the muddy slogs of January-March. You'll want to start treks by 6:30am when temperatures are still around 12°C (54°F) and lemurs are feeding actively. The park is about 140 km (87 miles) east of Antananarivo, typically a 3-4 hour drive.
Tsingy de Bemaraha limestone formations exploration
May offers the last comfortable weather window before winter temperatures make the exposed limestone pinnacles uncomfortably cold for the via ferrata routes. Daytime temps sit around 28°C (82°F), which is perfect for the physically demanding climbing and suspension bridge crossings through the Grand Tsingy. The humidity is lower now at 60-65% compared to 80%+ in summer, so you're not dripping sweat on the metal ladders. The access road from Morondava is fully dry - crucial, since this route becomes nearly impassable in rainy season. Plan for at least 2 full days here, as the park is massive and the drive from Morondava takes 6-8 hours covering 200 km (124 miles) of rough road.
Île Sainte-Marie whale watching boat tours
Late May marks the very beginning of humpback whale season, and there's something special about being among the first boats out. The whales are just starting their migration from Antarctic waters, and while peak season is July-September, you'll see early arrivals breaching and tail-slapping with far fewer tourist boats around. Water conditions are excellent - calm seas and 20-25 m (65-82 ft) visibility. The island itself is beautifully quiet in May. Tours typically run 3-4 hours in the morning when seas are calmest. The flight from Antananarivo to Sainte-Marie takes about 90 minutes.
Isalo National Park canyon hiking and natural pools
May weather is absolutely perfect for Isalo's full-day canyon hikes - you'll get clear blue skies, daytime temperatures around 24°C (75°F), and minimal rainfall. The natural swimming pools at Piscine Naturelle and Cascade des Nymphes are fed by permanent springs, so water levels are good even in dry season. The sandstone formations glow incredible colors in the late afternoon light around 4-5pm. Ring-tailed lemurs are highly active in the cooler weather and you'll spot them around the canyon rims. The park covers 81,540 hectares, but most visitors focus on 3-4 main circuits ranging from 4-16 km (2.5-10 miles). It's located about 280 km (174 miles) south of Fianarantsoa.
Avenue of the Baobabs photography and rural village experiences
May offers some of the year's best light for photographing these iconic Grandidier's baobabs - the dry season air is crystal clear without the summer haze, and the late afternoon sun around 5-6pm creates that famous golden glow everyone's chasing. The dirt road is in excellent condition, unlike the muddy mess of rainy months. Temperatures are comfortable for the 30-minute walk along the avenue around 26°C (79°F). Nearby villages offer cultural experiences including zebu cart rides and traditional Sakalava music performances. The avenue is located about 45 km (28 miles) northeast of Morondava, roughly a 1-hour drive. Combine this with visits to Baobab Amoureux and the sacred baobab grove.
Ranomafana National Park rainforest night walks
May nights in Ranomafana are cool enough around 13-15°C (55-59°F) that nocturnal lemurs like mouse lemurs and greater dwarf lemurs are extremely active foraging. The trails are dry and safe for night hiking with headlamps, unlike the slippery conditions of wet season. You'll also spot chameleons sleeping on branches - they're easy to find with flashlights as they turn pale white at night. The park's 12 lemur species are most visible now, including the rare golden bamboo lemur feeding in daylight hours. Located about 60 km (37 miles) from Fianarantsoa, it's a 90-minute drive through spectacular highland scenery. Plan for 2-3 days to properly explore both day and night circuits.
May Events & Festivals
Alahamady Be Malagasy New Year
This traditional Malagasy New Year celebration typically falls in late March or April based on the lunar calendar, but regional variations and extended celebrations sometimes continue into early May in rural areas, particularly in the highlands. You might encounter traditional music performances, zebu cattle ceremonies, and family gatherings in villages around Fianarantsoa and Antsirabe. It's not a guaranteed tourist experience, but if you're traveling through rural areas in early May, ask your guide about any lingering festivities.