Climate of São Tomé & Príncipe
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.
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 |
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