São Tomé Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit São Tomé.
Climate overview of São Tomé
São Tomé, the capital of São Tomé & Príncipe, has warm and consistent temperatures throughout the year. Rainfall is high, with frequent showers during the island’s two wet seasons. Despite the humidity, the city remains easy to explore. Highlights are its colonial architecture, local markets, and oceanfront promenade. Now, let’s explore all the climate details to give you a complete picture.
São Tomé Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in São Tomé — and find the best time to visit.
Monthly Temperature in São Tomé
With minimal seasonal shifts, São Tomé experiences a constant climate year-round. On average, daytime temperatures range from a comfortable 30°C (86°F) in March to a comfortable 26°C (79°F) in July.
Nighttime temperatures range from 26°C (79°F) in March to 24°C (75°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in São Tomé
São Tomé has a notably wet climate with abundant precipitation, recording 1431 mm (56 in) of rainfall per year. The seasons in São Tomé bring significant changes in precipitation. The wettest month, November, receives heavy rainfall, with an average of 224 mm (8.8 in) of precipitation. This rainfall is distributed across 17 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 18 mm (0.7 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our São Tomé Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in São Tomé
São Tomé enjoys sunny spells year-round. June sees up to 5.5 hours of daily sunshine, perfect for a sunny trip. October, the least sunny month, still offers a generous 3.9 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in São Tomé by Month
The city experiences its highest humidity in November, reaching 86%. In June, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit São Tomé
The wettest months are October, November and December, when precipitation is at its highest. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in São Tomé
What is the best time to visit São Tomé?
June, July, August and September typically offer the most optimal weather in São Tomé. In contrast, March and November tend to have less optimal conditions. São Tomé has distinct dry (June to August) and wet (October to December) seasons.
What temperatures can I expect in São Tomé?
Daytime highs range from 26°C (79°F) in July to 30°C (86°F) in March. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does São Tomé get?
Annual rainfall is around 1431 mm (56 in). November is the wettest month with 224 mm (8.8 in), while July is the driest with 18 mm (0.7 in).
How sunny is São Tomé?
São Tomé receives around 1,697 hours of sunshine per year. June is the sunniest month with 166 hours, while October is the cloudiest with just 116 hours.
São Tomé 3-Day Forecast
São Tomé 3-Day Forecast
São Tomé on the map
São Tomé is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
