São Tomé Island weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for São Tomé Island, Sao Tome and Principe. Like most weather services, we show São Tomé Island at one spot: São Tomé, its largest city. At 6:30 PM local time it was cloudy and 26°C (79°F). Light rain for 7 of the next 24 hours (under 1 mm/h, 1.9 mm total) — cloudy, but fine to be out. Best months for weather: Jun–Sep.
Current conditions
- Clouds
- 93%
- Chance of rain
- 6%
- Rain
- 0.1 mm/h
Hourly Forecast
Light rain for 7 of the next 24 hours (under 1 mm/h, 1.9 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jun–SepOff season Mar–Apr, Nov
About São Tomé weather
Is it raining in São Tomé right now?
No. It’s cloudy and 26° right now. Light rain for 7 of the next 24 hours (under 1 mm/h, 1.9 mm total) — cloudy, but fine to be out.
What’s the weather like in São Tomé this week?
Over the next 7 days, expect highs of 28–29° and lows of 24–25°. Rain is likely on 7 of 7 days (Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Sunday.
Has it been raining in São Tomé lately?
In the past 7 days, São Tomé had 6 rainy days and 23.9 mm of rain in total.
What should I pack for São Tomé?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
São Tomé Island weather by month
When is the best time to visit São Tomé Island?
Based on weather alone, the best time to visit São Tomé Island is Jun–Sep, according to NASA's 2001–2025 climate averages. Mar–Apr, Nov tends to be the least pleasant. Average highs run from 25°C (77°F) in July to 28°C (83°F) in March.
What is the rainiest month in São Tomé Island?
April is the wettest month, with about 176 mm (6.9 in) of rain on average. August is the driest, with about 20 mm (0.8 in).
What is the hottest month in São Tomé Island?
March is the warmest, with average highs of 28°C (83°F) and lows of 27°C (81°F). July is the coolest, with highs of 25°C (77°F) and lows of 24°C (75°F).
Does São Tomé Island have a rainy season?
Yes. Mar–Apr, Nov is the rainy season (150 mm or more a month), while Jun–Sep is usually dry (under 60 mm).
How warm is the sea in São Tomé Island?
The sea is warmest in February at about 30°C (86°F) and coolest in August at about 27°C (80°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for São Tomé), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months