Things to Do in São Tomé and Príncipe in March
March weather, activities, events & insider tips
March Weather in São Tomé and Príncipe
Is March Right for You?
Advantages
- March sits right in the gravana season, which means you get relatively calmer seas and better visibility for diving and snorkeling around Ilhéu das Rolas and Lagoa Azul. Water clarity typically reaches 15-20 m (49-66 ft), making it one of the better months for underwater activities.
- The cocoa harvest is in full swing during March, and you can actually visit working roças (plantations) to see the entire process from pod to fermentation. Several estates like Roça São João dos Angolares run informal tours where you can talk directly with workers - something that becomes harder during the wetter months when access roads turn to mud.
- Turtle nesting season is ramping up on the southern beaches, particularly around Praia Jalé and Praia Piscina. March marks the beginning of the leatherback arrivals, and you'll encounter far fewer tourists than the July-September peak. Night patrols typically spot 3-5 turtles per evening.
- Accommodation prices haven't hit their July-August peak yet, and you can often negotiate 15-20% off published rates, especially for stays longer than 5 nights. Most guesthouses and eco-lodges have plenty of availability, so you're not locked into booking months ahead.
Considerations
- March weather is genuinely unpredictable - you might get three consecutive sunny days followed by two days of intermittent rain. The transition between seasons means weather patterns shift quickly, making it tough to plan beach days more than 24 hours in advance.
- Some hiking trails in Obo National Park, particularly the route to Pico Cão Grande, can be muddy and slippery after morning rains. The trail conditions vary significantly depending on rainfall the previous week, and local guides sometimes cancel treks on short notice for safety reasons.
- March falls outside the main festival calendar - you'll miss both the February Carnival energy and the later cultural events. The islands feel quieter, which some travelers love, but if you're hoping for vibrant street celebrations, you're visiting between the action.
Best Activities in March
Diving and snorkeling excursions around São Tomé's southern coast
March offers some of the year's best underwater visibility as the gravana season brings calmer conditions. The waters around Ilhéu das Rolas and the marine reserves see less wave action, making boat trips more comfortable and allowing you to actually reach dive sites that are sometimes inaccessible during rougher months. Water temperature sits around 26-27°C (79-81°F), so a 3mm wetsuit is plenty. You'll likely spot humpback whales migrating through deeper waters if you're doing boat transfers between sites.
Roça plantation tours and cocoa farm visits
March is peak cocoa harvest, and visiting working plantations gives you an authentic look at São Tomé's colonial history and current agricultural economy. You'll see workers opening pods, fermenting beans in wooden boxes, and drying cocoa on massive platforms. The Portuguese colonial architecture of estates like Roça Agostinho Neto and Roça Sundy makes for striking photography, and guides actually explain the complex labor history rather than glossing over it. Morning visits work best before the midday heat builds.
Sea turtle monitoring programs on southern beaches
March marks the start of leatherback nesting season, with significantly fewer tourists than the July-September peak. Conservation organizations run night patrols along beaches like Praia Jalé, and you can join as a volunteer observer. You'll walk dark beaches with red-filtered flashlights watching for nesting females - it's genuinely exciting when you spot one. The experience feels more authentic than crowded high-season watches, and you're actually contributing to data collection rather than just spectating.
Hiking to waterfalls and through rainforest in Obo National Park
The jungle is lush in March following recent rains, and waterfalls like Cascata São Nicolau run with impressive volume. Trails can be muddy, but the forest feels alive - you'll hear the endemic São Tomé fiscal and spot giant begonias that only thrive in wet conditions. Morning hikes work best before afternoon clouds roll in. The climb to viewpoints overlooking Pico Cão Grande offers incredible photo opportunities when visibility cooperates, though you should have a backup day in case of fog.
Coastal fishing village visits and fresh seafood experiences
March brings good fishing conditions as seas calm down, and villages like Neves and Porto Alegre see daily catches of barracuda, tuna, and grouper. You can watch traditional pirogues launch early morning around 5:30am or return with catches around 3pm. Local women sell fish directly on beaches, and several villages have simple restaurants that'll grill your purchase for 30,000-50,000 dobras. The experience feels genuinely local rather than staged for tourists.
Birdwatching expeditions for endemic species
São Tomé hosts 28 endemic bird species, and March offers excellent sighting conditions as the forest is active but not yet in the heaviest rainy period. The São Tomé grosbeak, dwarf olive ibis, and giant sunbird are all visible on morning walks through mid-elevation forests. Serious birders should focus on trails around Bombaim and the Obo Park interior. The humidity keeps insects active, which means birds are actively feeding rather than hiding during midday heat.
March Events & Festivals
International Women's Day celebrations
March 8th sees community gatherings and cultural programs across both islands, with women's groups organizing traditional dance performances and food markets. It's not a major tourist event, but if you're in São Tomé town or Santo António on Príncipe, you'll notice increased activity in central squares with live music and political speeches. Local restaurants often feature special menus highlighting dishes prepared by women's cooperatives.