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Furthermore, we analyzed all climate data and provide a recommendation about which months are best to visit São Tomé and Príncipe for your holiday.
Climate Overview
Average Annual Temperature is between 24.8 °C (Santo Antonio) and 25.4 °C (São Tomé)
Show temperatures in degree
Geographical location
Table of Contents
The archipelago of São Tomé and Príncipe lies about 130 miles south of Nigeria, west of Gabon and Equatorial Guinea. Only the Seychelles undercut the size of the second smallest state in Africa, whose larger island São Tomé is 30 miles long and 20 miles wide.
Only about 10 percent of the population live on the significantly smaller island of Príncipe, although there are only about 200,000 inhabitants in the small island state, whose southern tip rises to the equator. São Tomé and Príncipe are of volcanic origin and therefore very mountainous, the highest peak (the Pico de São Tomé) exceeds 2000 meters.
The former crown colony of Portugal has been independent since 1975, but the official language is still Portuguese. The most important export commodity is still cocoa of outstanding quality, with enormous oil discoveries off the coast of the islands promising economic change.
As a result of these possible riches, São Tomé and Príncipe suffer from quite unstable governments, which once again stumbled over corruption scandals. However, the country is considered an extremely safe destination. 80 percent of the inhabitants are Catholics, the national currency is the Dobra.
The paradisiacal island site, still far away from mass tourism, is mainly accessible via Lisbon and Porto. The international airport, for example, is served by TAP and TAAG Angola Airlines (via Luanda), the flight time from Lisbon is around 9 hours. German citizens do not require a visa for stays of up to 15 days.
Climate on São Tomé and Príncipe
The climate on the islands of São Tomé and Príncipe is tropical hot and humid. This means high temperatures of around 27 °C to 30 °C all year round, even at night it cools only marginally. In addition, there is a very high humidity of up to 95 percent due to the pronounced rainy season.
The rainy season on São Tomé and Príncipe starts around mid-September and often lasts until the end of May. Statistically, October, April and May are the rainy months. It is comparatively dry and much more pleasant for us Europeans in the summer between June and the beginning of September.
There are hardly any regional differences, even at high altitudes it usually remains moist and hot. The hottest and sultriest time of the year is between December and April, where the day temperatures are often well above 30 °C. The coolest months are July and August.
Best Time to Visit São Tomé and Príncipe: Overview
JanuaryJan Suitable time to traveltime little less of rain,
but very hot | FebruaryFeb Suitable time to traveltime little less of rain,
but very hot | MarchMar Rainy Season Up to 7.32 in of rainof rain | AprilApr Rainy Season Up to 9.17 in of rainof rain | MayMay Rainy Season Up to 9.02 in of rainof rain | JuneJun Best time to traveltime mostly perfect on São Tomé & Príncipe |
JulyJul Best time to traveltime mostly perfect on São Tomé & Príncipe | AugustAug Best time to traveltime mostly perfect on São Tomé & Príncipe | SeptemberSep Good time to traveltime Transition to Rainy Season on São Tomé & Príncipe | OctoberOct Rainy Season Up to 15.67 in of rainof rain | NovemberNov Rainy Season wet and sticky | DecemberDec Rainy Season wet and sticky |
When is the best time to visit São Tomé and Príncipe?
The dreamlike islands are a real insider tip and therefore especially suitable for adventurous explorers and nature lovers. In recent years, however, top-class hotels have also settled here, offering ideal conditions for a luxurious seaside holiday.
In general, São Tomé and Príncipe can be visited all year round, as even during the long rainy season the sun comes out again and again and the temperatures are very warm 365 days a year anyway.
Nevertheless, the hot season is quite a challenge for many Central Europeans, the hot, stuffy air makes the cycle difficult. We therefore recommend the months of June, July and August as the best travel season on São Tomé and Príncipe.
Best Time to Visit the Regions
Find the best time to visit the regions (São Tomé and Príncipe) in the following overview.| Location | Best Time to Travel |
|---|---|
| Santo Antonio | February, June, July, and August |
| São Tomé | February, June, July, and August |
Climate Charts São Tomé and Príncipe
In the following, you will find climate charts for the regions.
Furthermore, there are some charts you can use for quick comparison of climate between the regions.
Show Climate Chart for
Santo Antonio

Show temperatures in degree
Source of Data: German Weather Service (Offenbach) and Wikipedia
Climate Tables São Tomé and Príncipe
In the following, you will find some climate tables for São Tomé and Príncipe, containing information about Temperatures, Precipitation, Water Temperatures, and Hours of Sunshine.Show climate table for
Temperatures, Precipitation in Santo Antonio (São Tomé and Príncipe)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day Temperature | 29° | 30° | 30° | 29° | 29° | 28° | 27° | 27° | 27° | 28° | 28° | 29° |
| Night Temperature | 22° | 20° | 22° | 22° | 22° | 21° | 20° | 20° | 21° | 21° | 21° | 22° |
| Precipitation (inch) | 4.45 | 4.13 | 7.32 | 9.17 | 9.02 | 3.5 | 0.83 | 1.42 | 5.75 | 15.67 | 6.85 | 5.59 |
| Rainy days | 9 | 7 | 13 | 13 | 14 | 5 | 4 | 6 | 15 | 21 | 13 | 10 |
Show temperatures in degree
Temperatures
The annual average temperature in Santo Antonio is 24.8 °C.For comparison: London 11 °C, NYC 12 °C, LA 17.9 °C
Warmest month: March (25.8 °C)
Coldest month: July (23.5 °C)
Precipitation
Overall annual precipitation: 73.7 inch on 130 rainy daysFor comparison: London 24.06 in, NYC 41.57 in, LA 12.01 in
Rainy season (months with more than 6.9 in of precipitation): March, April, May, and October
Overall precipitation in the rainy season: 41.18 in
You cannot expect snow in any month in Santo Antonio.
Temperatures, Precipitation, Sunshine in São Tomé
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day Temperature | 29° | 30° | 30° | 30° | 29° | 28° | 27° | 28° | 29° | 29° | 29° | 29° |
| Night Temperature | 22° | 23° | 23° | 23° | 23° | 21° | 20° | 21° | 21° | 22° | 22° | 22° |
| Water Temperature | 28° | 28° | 28° | 29° | 28° | 25° | 26° | 25° | 25° | 27° | 27° | 28° |
| Precipitation (inch) | 3.19 | 3.31 | 5.16 | 4.8 | 4.45 | 0.75 | 0 | 0.04 | 0.67 | 4.33 | 3.9 | 4.25 |
| Rainy days | 6 | 6 | 9 | 8 | 8 | 3 | 2 | 3 | 5 | 8 | 9 | 6 |
| Hours of Sunshine | 5 | 5 | 5 | 4 | 5 | 6 | 5 | 5 | 4 | 4 | 5 | 5 |
Show temperatures in degree
Temperatures
The annual average temperature in São Tomé is 25.4 °C.Warmest month: March (26.4 °C)
Coldest month: July (23.8 °C)
The maximum water temperature in São Tomé is 29 °C. You can take a bath at these temperatures.
Months with water temperature of at least 21 °C (adequate for beach vacation):
all months
Precipitation
Overall annual precipitation: 34.84 inch on 73 rainy daysThere is no rainy season (months with more than 6.9 in of precipitation).
You cannot expect snow in any month in São Tomé.
Sunshine
As our climate table shows, June is the sunniest month with an average of 5.5 hours of sunshine per day. Over the year, there are 4.6 hours of sunshine per day on average.Popular Activities
São Tomé: ADC Scuba Diving with Night & Shipwreck Options
Tours
from 78 $ »
Explore São Tomé’s crystal-clear waters at the Atlantic Diving Center. Choose beginner pool-to-sea dives, PADI courses, or certified dives among volcanic reefs and vibrant marine life.
São Tomé: Full-Day Boat Excursion to Rolas Island
Sightseeing cruises
from 196 $ »
Set off on a tropical adventure to Ilhéu das Rolas, where the Equator meets paradise. Cruise along São Tomé’s lush coastline, swim, snorkel, and relax on pristine beaches with crystal-clear waters.
São Tomé and Príncipe: Birdwatching Tour to See Endemic Birds of São Tomé
Nature & adventure
from 1413 $ »
Discover São Tomé’s extraordinary natural wealth on a birdwatching experience that brings you up close to some of the world’s most fascinating and rarest species.
More attractions
São Tomé: Saturday Night “Rodízio” with Live Music |Current Weather and Forecast
Current Weather in Santo Antonio (Station Santo António)
Clouds: 100 % Wind: 10 mph NW
Air Pressure: 1016 hPa Humidity: 83 %
Air Pressure: 1016 hPa Humidity: 83 %
Last updated: 10th Nov 2026, 10:40 pm
The next days …
| 11th Nov 2026 | 12th Nov 2026 | 13th Nov 2026 | 14th Nov 2026 | 15th Nov 2026 | 16th Nov 2026 |
|---|---|---|---|---|---|
| 25 °C to 27 °C | 26 °C to 27 °C | 26 °C to 27 °C | 26 °C to 27 °C | 26 °C to 27 °C | 26 °C to 27 °C |
| Clouds: 100 % | Clouds: 85 % | Clouds: 100 % | Clouds: 11 % | Clouds: 13 % | Clouds: 55 % |
| 0.25 in of rain | 0.05 in of rain | 0.23 in of rain | No Precipitation | No Precipitation | 0.31 in of rain |
Weather information provided by OpenWeatherMap. (CC BY-SA)
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Share your Experience and Win
We want to know: how was the weather during your São Tomé and Príncipe holiday? You can win a travel coupon of 1000 $. The price will be raffled among all submissions.

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