December weather forecast
Guinea-Bissau

December in Guinea-Bissau ushers in a distinct phase of the dry season. The average temperatures range from a pleasant 20°C (68°F) during the cooler morning hours to about 33°C (91.4°F) during the day. Although these temperatures are consistent with November, the further decrease in humidity makes the climate feel more comfortable.

In the coastal capital city of Bissau, December experiences similar weather patterns, with temperatures typically varying between 20°C (68°F) and 31°C (87.8°F). The coastal position provides a slight cooling effect compared to the interior regions but also contributes to lower humidity levels, making the weather more enjoyable.

December witnesses a further decrease in rainfall, with average precipitation levels dropping to 10mm (0.39") for the entire month. This marks a continuation of the dry season, with significantly less rain compared to November.

Compared to November, December maintains similar temperatures but is considerably drier. This month firmly establishes the dry season's dominance, with warm temperatures and minimal rainfall providing optimal conditions for outdoor activities and exploration. The landscape begins to transition from the lush green of the wet season to the more subdued tones of the dry season, yet the scenery remains visually appealing for visitors to Guinea-Bissau. With its agreeable climate and relatively dry conditions, December offers an ideal time for travel and exploration in the country.

---

• Bissau - December »
  On the first day of December in Bissau sunrise is at 07:06 and sunset at 18:35. With an average maximum UV index of 9, December is the month with the lowest UV index in Bissau, Guinea-Bissau.
• Gabu - December »
  The month with the shortest days in Gabu is December, with an average of 11h and 24min of daylight. On the first day of December in Gabu sunrise is at 07:02 and sunset at 18:29.
• Canchungo - December »
  In Canchungo rain does not fall in January, February and December. With an average of 11h and 24min of daylight, December has the shortest days of the year in Canchungo, Guinea-Bissau.
• Bissora - December »
  The month with the shortest days in Bissora is December, with an average of 11h and 24min of daylight. The average relative humidity in December in Bissora is 28%.
• Bolama - December »
  December has the shortest days of the year in Bolama with an average of 11h and 30min of daylight. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bolama, Guinea-Bissau.
• Cacheu - December »
  The month with the shortest days in Cacheu is December, with an average of 11h and 24min of daylight. January, February and December are months without rainfall in Cacheu, Guinea-Bissau.
• Buba - December »
  To wrap up the weather year in Buba December brings a cool breeze and bright, sunny days. December has the shortest days of the year in Buba with an average of 11h and 30min of daylight.
• Catió - December »
  On the first day of December in Catió sunrise is at 07:04 and sunset at 18:35. With an average of 11h and 30min of daylight, December has the shortest days of the year in Catió, Guinea-Bissau.
• Quebo - December »
  The months with the highest UV index in Quebo are January through July, September through December, with an average maximum UV index of 7. December has the shortest days of the year in Quebo with an average of 11h and 30min of daylight.
• Fulacunda - December »
  The month with the shortest days in Fulacunda is December, with an average of 11h and 24min of daylight. At the start of December, Fulacunda's average high-temperature reaches a still very hot 35.9°C (96.6°F), subtly different from the preceding month.
• Farim - December »
  On the first day of December in Farim sunrise is at 07:06 and sunset at 18:33. Welcoming December, Farim notes an average high-temperature of a still torrid 35.7°C (96.3°F), nearly consistent with November's 36°C (96.8°F).