São Tomé / Príncipe: Climate

You can visit the islands of Sao Tome and Principe all year around. The climate is tropical with average yearly temperatures of about 27°C (80°F) and little daily variation.

At the interior’s higher altitudes, the average yearly temperature is 20°C (68°F), and nights are generally cool. Annual rainfall varies from 500 centimetres (200 inches) on the south-western slopes to 100 centimetres (40 inches) in the northern lowlands.

Seasons on Sao Tomé & Príncipe

Season Period What to expect Details
Small dry season December – February Hottest months of the year, with dry and dusty winds Carnaval celebrations including traditional dances; good birdwatching; best time for orchid spotting
Long wet season March – May A mix of showers and sunshine, high humidity Good for photography due to blue skies and brighter contrasts; more mosquitos; muddy terrain makes hiking more tricky; best time for orchid spotting
Long dry season June – September Warm temperatures, little rain, cloudy Best time for hiking & birdwatching; August – festivities & cultural events; every other summer around mid-June – Mid July – Bienal Cultural festival in Sao Tome; whale-watching
Small wet season October – November A mix of showers and sunshine, high humidity Good for photography due to blue skies and brighter contrasts; more mosquitos; muddy terrain makes hiking more tricky; best time for orchid spotting

Nature

São Tomé and Príncipe is the second smallest African country – larger only than the Seychelles in terms of population. São Tomé is 50 kilometers (31 miles) long and 32 kilometers (20 miles) wide and the more mountainous of the two islands. Its highest peak reaches 2,024 meters (6,640 feet).

Wildlife

The geographic isolation from Africa has resulted in high levels of endemism. Overall, Sao Tome and Principe has 143 birds, 15 mammals, 14 reptiles, and 9 amphibians. The waters of Sao Tome and Principe are still largely unexplored. So far, 230 fish species have been distinguished of which many are endemic.

Climate

You can visit the islands of Sao Tome and Principe all year around. The climate is tropical with average yearly temperatures of about 27°C (80°F) and little daily variation. At the interior’s higher altitudes, the average yearly temperature is 20°C (68°F), and nights are generally cool.

People

São Tomé and Príncipe is a place with a rich cultural heritage where people are happy to meet you. The lack of tribal, ethnic or religious conflict adds to the friendly “leve leve” (as the locals say, “easy-easy”) atmosphere. The human history on São Tomé & Príncipe begins in 1470, when the Portuguese settlers came to the islands.