São Tomé Weather in December
São Tomé in December sees high temperatures, with highs around 28°C (82°F) and overnight lows of 25°C (77°F). With the rainy season in full effect, expect around 185 mm (7.3 in) of rainfall and regular showers throughout the month.
Rainfall in São Tomé in December
São Tomé is in the rainy season in December, with rain on around 12 days and an average of 185 mm (7.3 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in São Tomé in December
In December, São Tomé sees high temperatures, with highs of 28°C (82°F). Nights drop to around 25°C (77°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in São Tomé in December
The month brings about 145 hours of sunlight, offering a comfortable mix of sun and rainy moments.For São Tomé itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit São Tomé & Príncipe, check out our São Tomé's climate page.
São Tomé Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
41%
Precipitation
185 mm (7.3 in)
Rainy days
12 days
Humidity
86%
Sunshine
145 hours
Percentage Sunshine
Historical weather for São Tomé in December
Browse day-by-day weather records for São Tomé spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
São Tomé historical weather extremes in December
According to our 19 years of weather records for São Tomé, the following extremes were recorded between 2006 and 2025.
- On December 8, 2025, temperatures climbed to 34°C (93°F), marking the warmest December day on record.
- São Tomé experienced its chilliest December day on December 29, 2008, reaching only 26°C (79°F).
- The lowest overnight temperature recorded in December was 16°C (61°F) (December 8, 2012).
- The wettest day in December São Tomé was on December 29, 2006 with 127 mm (5 in) of precipitation.
Best Places in São Tomé & Príncipe in December
Find out more about the weather in São Tomé & Príncipe and which places have the best travel conditions in this month. See all of São Tomé & Príncipe in December →
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What to Wear in São Tomé in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in São Tomé in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit São Tomé & Príncipe, check out our São Tomé's climate page.
Temperature Rainfall Sunshine Humidity
See the full São Tomé climate overview or explore weather in São Tomé & Príncipe.
