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Sao Tome and PrincipeThe climate of São Tomé
The current climate in São Tomé features temperatures ranging from a high of 31°C to a low of 28°C throughout the year. The average yearly temperature is around 30°C. At night, temperatures in the colder months average around 23°C and in the warmer months around 25°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for São Tomé, Sao Tome and Principe.
Temperature records
The highest temperature recorded in São Tomé in recent years was 51°C in January 2020. The lowest daytime temperature recorded was 22°C in July 2014.
Rainfall amount
On average, São Tomé receives 1574 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit São Tomé?
The best time to visit São Tomé for sunny weather is June through September. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit São Tomé. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of São Tomé
The climate table of São Tomé shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 31 | 31 | 31 | 30 | 30 | 29 | 28 | 29 | 30 | 30 | 30 | 30 |
| Temp. min (°C) | 25 | 25 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 |
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| Precipitation (mm) | 142 | 139 | 170 | 163 | 142 | 32 | 14 | 20 | 45 | 218 | 270 | 219 |
| UV Index | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in São Tomé, Sao Tome and Principe. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in São Tomé
Yearly Temperature in São Tomé
Precipitation charts
These charts show the average amount of precipitation in São Tomé, Sao Tome and Principe. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in São Tomé
Total Yearly Precipitation in São Tomé
UV index chart
This chart shows the average UV index per month in São Tomé, Sao Tome and Principe. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in São Tomé
Weather experiences in São Tomé
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Average weather in São Tomé by month
Click on a month below to see detailed weather info for São Tomé. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.