Temperatures in December
It's hot in December in São Tomé with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 24°C and 25°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for São Tomé in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in São Tomé with hot temperatures, averaging around 30°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-December
By mid-December, the average daytime temperature stays the same at 30°C, with nights close to 25°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of December
By the end of December, the average daytime temperature in São Tomé will be around 31°C, with nights close to 25°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Precipitation in December
In December, there is an average of 219 mm of precipitation, spread over 28 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
With an average precipitation chance of 89% this month, rainy days are almost inevitable.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for São Tomé. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
São Tomé in December |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 9°C | |
 High Temp |
31°C | 11°C | |
| Low Temp |
29°C | 8°C | |
 Total Precipitation |
219 mm | 67 mm | |
| Rainy Days |
28 days | 10 days | |
November
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit São Tomé?
After some sun? Then December isn’t the best time to be in São Tomé. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for São Tomé in December
With 32°C, São Tomé hit the highest temperature in the last 10 years in December 2020. The lowest daytime temperature in this month was 26°C in 2022. The extreme night temperatures ranged from a low of 21°C to a high of 27°C.
Check out the climate of São Tomé for all months and discover the best travel time
Daily Temperature in December in São Tomé
This chart shows the average daily temperatures, both day and night, for each day in December in São Tomé, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in São Tomé
The chart below shows the average daily precipitation in December for São Tomé, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 28 days of rain in São Tomé.
Daily UV Index in December in São Tomé
This chart shows the average daily UV index in December in São Tomé, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in São Tomé Over the Years
This chart shows the average temperature in December in São Tomé, measured in degrees Celsius, over the past years.
Total Precipitation in December in São Tomé Over the Years
This chart shows the average precipitation in December in São Tomé, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for São Tomé
Click on a specific day in December for detailed info on the typical weather on that day in São Tomé. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in São Tomé
Have you been to São Tomé in December?
Share your weather experience in December in São Tomé.
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.
