Things to Do in Comoros in May
May weather, activities, events & insider tips
Low Season · Budget Friendly
May Weather in Comoros
Temperature, rainfall and humidity at a glance
85°F (29°C)
High Temp
70°F (21°C)
Low Temp
10.1 inches (257 mm)
Rainfall
70%
Humidity
⚠ Karthala's clouds burst after 3 PM. Hill roads flood fast. Shared taxis stall. Skip them when thunder growls.
Is May Right for You?
Weigh the advantages and considerations before booking
Advantages
- + May is the last month before the brutal southeast trade winds arrive, so the Indian Ocean around Grande Comore stays glassy enough for boat trips to well-known spots like Chindini Beach and Lac Salé, where volcanic cliffs drop straight into turquoise water. The sea behaves. You move fast.
- + The ylang-ylang harvest peaks in May; you'll smell it before you see it, sweet and narcotic drifting from the distilleries around Iconi and Mitsamiouli. Distillery tours (book through the booking widget below) run daily. Locals sell small bottles of the essential oil that lasts.
- + Whale shark season is still running strong off the west coast of Moheli. Operators run small-group trips from Fomboni when the sea is calm, and you're sharing the water with maybe three other boats instead of the August crowds. Space feels private.
- + Hotel rates are still shoulder-season reasonable. Guesthouses in Moroni drop their prices after Easter and don't raise them again until July, so you can score ocean-view rooms in the old Arab quarter for the cost of a European hostel bed. Book now.
Considerations
- − Rain arrives in serious bursts. Think 30-minute tropical dumps that drop 50 mm (2 inches) and turn Moroni's unpaved side streets into red-clay rivers. If you're staying in the hills around Itsandra, your taxi might not make it up. Wait it out.
- − The humidity sits at 70% and feels higher when the wind drops. Your cotton clothes will never fully dry, and the smell of drying cloves mixed with diesel exhaust becomes the permanent backdrop to every meal. Embrace the funk.
- − Domestic flights between the islands get unreliable. Comores Aviation cancels roughly one in three scheduled departures when clouds sit on the mountain approaches, and the next available seat might be three days later. Build slack into every plan.
Best Activities in May
Top things to do during your visit
Moheli Marine Park Whale Shark Swimming
May water temperatures hover around 28°C (82°F) and plankton blooms draw whale sharks to the shallow banks off Nioumachoua. Mornings are calmest. Boats leave Fomboni at 6:30 AM and you're usually back before the afternoon squall line forms. The reef visibility runs 15-20 m (50-65 ft) early in the month, better than the murky August average.
Booking Tip: Book 48 hours ahead through licensed operators (see current options in booking section below). Look for boats carrying maximum six swimmers and insisting on reef-safe sunscreen only. Small groups matter.
Grande Comore Ylang-Ylang Distillery Tours
The cooperatives around Badjanani open their doors when the yellow-green flowers are piled waist-high in May. You'll walk past copper stills that look like Jules Verne submarines while the air turns syrupy with perfume. Tours end with tiny cups of spiced coffee and a chance to buy oil that was bottled that morning. Stronger and cheaper than anything exported.
Booking Tip: Morning tours run 8-11 AM to beat the heat. No reservation needed for groups under four. But call ahead if you need English translation. Most guides speak Shikomor and French.
Mount Karthala Crater Rim Trek
May is one of the few months you can summit the 2,361 m (7,746 ft) active volcano without either drowning in mud (November-April) or choking in dust (July-October). The trail from Boboni starts cool at 5 AM and you reach the rim by 11 AM, before clouds boil up from the west. Inside, the crater is a moonscape of black ash where the 2005 lava lake still steams after rain.
Booking Tip: Hire a certified guide in Mbeni village the evening before. Pack 2 L (68 oz) of water per person and a light shell for the 10°C (50°F) wind that hits the rim.
Anjouan Friday Market in Mutsamudu
The medina's covered market explodes on Fridays when farmers boat in overnight from the interior valleys. May brings the first custard apples of the year and bundles of fresh vanilla still warm from curing sheds. Between 7-9 AM the alleyways smell of cardamom coffee and the clove cigarette smoke of the porters unloading sacks of ylang-ylang.
Booking Tip: Arrive by 6:30 AM when the fishing boats unload. Yellowfin tuna sells out within an hour. Bring small denomination CFA francs. Vendors rarely have change before 8 AM.
Chindini Beach and Lac Salé Coastal Drive
The coastal road south of Iconi is freshly paved (finished late 2025) and May's light traffic means you can stop at every viewpoint without a truck convoy behind you. Lac Salé is a half-moon cove where salt water meets fresh springs. Locals float in the brackish layer while frigate birds wheel overhead. The black sand beach at Chindini is empty on weekdays except for a single seafood grill serving lobster that was swimming that morning.
Booking Tip: Hire a 4×4 with driver for the day. The last 3 km (1.9 miles) down to Chindini is still unpaved and turns to grease after rain.
Where to Stay in Comoros in May
Hand-picked hotels across price tiers for May travellers.
May Events & Festivals
What's happening during your visit
Late May
Independence Day Celebrations
July 6 marks Comoros' 1975 break from France. But Moroni starts the party on the last weekend of May with football tournaments and all-night concerts at the Stade de Beaumer. Streets around the Volo-Volo market close for traditional drumming groups and grilled fish stalls that stay lit until dawn.
Packing Checklist
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Climate-specific gear, brand recommendations, and what to leave at home.
View Comoros Packing List →Essential Tips
Insider knowledge and common pitfalls to avoid
Insider Knowledge
Buy your domestic flight tickets in person at Comores Aviation office in Moroni. Online bookings often vanish from their system and walk-up passengers get priority.
Taxi drivers stock tiny vials during ylang-ylang harvest. Sniff before you pay. Pale yellow oil that whispers jasmine wins. Alcohol reek signals a dud.
Sea urchins spawn in May. Reef booties save soles. Larvae ride the tide, sprout spikes fast. Sandy entries hide the danger.
Too much thé de Comores? Grab madafu. Green coconut water revives locals after spiced tea binges. Social gatherings serve the brew nightly.
Flights scrubbed? Moroni's cargo boat sails 10 PM. Eight hours later you dock in Fomboni. Price mirrors the plane. String your hammock.
Avoid These Mistakes
Island-hop on a tight calendar? Add two spare days. Weather stalls domestic hops and international gates shut without sympathy.
Plastic works only in Moroni. Anjouan and Moheli demand paper. Mutsamudu's lone ATM empties by Thursday. Carry cash.
Flip-flops on Karthala equal blisters. Ash burns. Descent sands skin from toes. Wear shoes.
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