December weather forecast
São Tomé and Príncipe

December in São Tomé and Príncipe experiences the full swing of the wet season, with rainfall levels continuing their upward trend from November. Typical precipitation during this month ranges from 110mm (4.33") to 140mm (5.51"), further contributing to the lush greenery that defines the islands' landscapes.

Despite the increase in rainfall, the temperature during December remains steady, usually ranging from 22°C (71.6°F) to 30°C (86°F). This pattern is observed throughout the country, including the coastal cities of São Tomé and Santo Antonio. However, regions at higher altitudes, like the Obo National Park, may experience slightly cooler temperatures due to their elevation.

As December transitions into January, weather conditions maintain high levels of rainfall and consistent temperatures, marking the continuation of the wet season. The ample rainfall of December nourishes the islands' flora and fauna, including the cocoa plantations that form an integral part of São Tomé and Príncipe's culture and economy. Despite the increased precipitation, the stable temperatures provide a warm, tropical climate that remains characteristic of the islands throughout the year.

---

• São Tomé - December »
  The months with the highest humidity in São Tomé are January, November and December, with an average relative humidity of 85%. Nighttime temperature in São Tomé dips to a mean of 22.1°C (71.8°F) during December.
• Neves - December »
  In Neves during December, the rain falls for 28.6 days and regularly aggregates up to 159mm (6.26") of precipitation. In Neves, in December, it is raining for 28.6 days, with typically 159mm (6.26") of accumulated precipitation.
• Trindade - December »
  In Trindade in December, it is raining for 28.6 days, with typically 159mm (6.26") of accumulated precipitation. January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Trindade, São Tomé and Príncipe.
• Santa Cruz - December »
  The months with the highest UV index in Santa Cruz are January through May, October through December, with an average maximum UV index of 7. In Santa Cruz in December, it is raining for 28.6 days, with typically 159mm (6.26") of accumulated precipitation.
• Guadalupe - December »
  In Guadalupe in December, during 28.6 rainfall days, 159mm (6.26") of precipitation is typically accumulated. In Guadalupe, São Tomé and Príncipe, in December, during 28.6 rainfall days, 159mm (6.26") of precipitation is typically accumulated.
• Santo Antonio - December »
  In Santo Antonio, São Tomé and Príncipe, in December, during 14 rainfall days, 142mm (5.59") of precipitation is typically accumulated. In Santo Antonio, São Tomé and Príncipe, the average relative humidity in December is 87%.
• Monte Cafe - December »
  January, November and December, with an average of 12h and 6min of daylight, are months with the shortest days in Monte Cafe. The months with the shortest days in Monte Cafe are January, November and December, with an average of 12h and 6min of daylight.
• Ribeira Afonso - December »
  Rounding out the year, December sees a drop in rainfall to 159mm (6.26"), marking the exit from the heavy rain period in Ribeira Afonso. In Ribeira Afonso, in December, during 28.6 rainfall days, 159mm (6.26") of precipitation is typically accumulated.
• Santa Luzia - December »
  The month with the shortest days in Santa Luzia is December, with an average of 12h and 6min of daylight. In Santa Luzia, during December, the rain falls for 28.6 days and regularly aggregates up to 159mm (6.26") of precipitation.
• Lemba - December »
  With its combination of warm days, significant but receding rainfall and ample sunshine, December in Lemba is poised to offer an uplifting holiday or season end experience. In Lemba, in December, during 28.6 rainfall days, 159mm (6.26") of precipitation is typically accumulated.
• Cantagalo - December »
  In Cantagalo during December, the rain falls for 28.6 days and regularly aggregates up to 159mm (6.26") of precipitation. In Cantagalo, in December, during 28.6 rainfall days, 159mm (6.26") of precipitation is typically accumulated.