Santo António Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santo António.
Climate overview of Santo António
Santo António, in São Tomé & Príncipe, experiences a tropical rainforest climate with consistently warm temperatures year-round. The area receives substantial rainfall throughout the year, with slightly higher precipitation from September to May during the main wet season.
This town attracts tourists with its colonial Portuguese architecture and location near some of São Tomé island's most beautiful beaches. It's also known for its cocoa plantations, rainforest surroundings, and proximity to waterfalls. Let's now guide you through the climate details for a complete overview on the best time to visit.
Santo António Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santo António - and find the best time to visit.
Monthly Temperature in Santo António
With minimal seasonal shifts, Santo António experiences a constant climate year-round. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in March, the warmest time of the year, to a comfortable 27°C (81°F) during cooler months like August.
At night, you can expect temperatures ranging from 27°C (81°F) in March to around 25°C (77°F) during August.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santo António
Santo António has a notably wet climate with abundant precipitation, recording 1827 mm (72 in) of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 251 mm (9.9 in) of precipitation, recorded across 20 rainy days. In contrast, the driest month July brings less rainfall, with 84 mm (3.3 in) over 10 rainy days. For more details, please visit our Santo António Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Santo António
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: January, February, March, April, May, November and December
- Fewer rainy days: January, February, June, July and December
- Seasonal pattern: A distinct rainy season from September to November
Frequently asked questions about the climate in Santo António
What is the best time to visit Santo António?
July and August typically offer the most optimal weather in Santo António. In contrast, March, April, October and November tend to have less optimal conditions. Santo António has a distinct rainy season from September to November.
What temperatures can I expect in Santo António?
Daytime highs range from 27°C (81°F) in August to 30°C (86°F) in March. Nighttime lows range from 25°C (77°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Santo António get?
Annual rainfall is around 1827 mm (72 in). October is the wettest month with 251 mm (9.9 in), while July is the driest with 84 mm (3.3 in).
Santo António 3-Day Forecast
Santo António 3-Day Forecast
Santo António on the map
Santo António is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
