January weather forecast
Guinea-Bissau

January in Guinea-Bissau falls within the dry season and is marked by relatively cooler temperatures and minimal rainfall. On average, temperatures fluctuate from a pleasant 19°C (66.2°F) during the night to 31°C (87.8°F) in the daytime. These are some of the coolest temperatures of the year for the country, making it a more comfortable time for visitors and residents alike.

Rainfall is virtually absent in January, with precipitation levels often less than 10mm (0.39") for the entire month. This significant reduction in rainfall compared to the wet season months offers clear skies and drier conditions, making it ideal for outdoor activities and exploration.

Bissau, the capital city and the largest urban center, shares similar weather patterns. However, due to the coastal location, it experiences slightly milder conditions compared to the inland areas. The January temperatures in Bissau generally range from 20°C (68°F) at night to 33°C (91.4°F) during the day.

January weather significantly differs from the preceding December and subsequent February. While December also falls within the dry season, it typically registers slightly higher temperatures than January. In contrast, February tends to be warmer, marking the onset of the steady climb in temperatures leading up to the hot and rainy summer months.

January also holds the distinction of being one of the driest months of the year in Guinea-Bissau. Its sunny, dry conditions contrast starkly with the heavy rains and high humidity seen in the country's wet season. Consequently, January is often deemed a favorable time for travel and wildlife viewing in this tropical West African nation.

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• Bissau - January »
  Compared to daytime temperatures, Bissau's temperature drops significantly, averaging a comfortable 17.8°C (64°F) during the nights of January. January and March are months with the least rain in Bissau when 1mm (0.04") of rain is typically aggregated.
• Gabu - January »
  On the first day of January in Gabu sunrise is at 07:17 and sunset at 18:43. In Gabu rain does not fall in January through March.
• Canchungo - January »
  January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Canchungo, Guinea-Bissau. The advent of January in Canchungo brings an average high-temperature of a still sweltering 35.3°C (95.5°F), exhibiting minor difference from the previous month.
• Bissora - January »
  With an average relative humidity of 22%, January is the least humid month in Bissora, Guinea-Bissau. On the first day of January in Bissora, Guinea-Bissau, sunrise is at 07:22 and sunset at 18:48.
• Bolama - January »
  January through December, with an average maximum UV index of 7, are months with the highest UV index in Bolama, Guinea-Bissau. Bolama, Guinea-Bissau usually experiences its driest month in January, with rainfall measuring exactly 0mm (0").
• Cacheu - January »
  January is the least humid month in Cacheu, with an average relative humidity of 26%. As the first month of the year, January presents a pleasant start to the year in Cacheu, Guinea-Bissau.
• Buba - January »
  The months with the highest UV index in Buba are January through July, September through December, with an average maximum UV index of 7. The months with the highest UV index in Buba are January through July, September through December, with an average maximum UV index of 7.
• Catió - January »
  The transition from December to January in Catió sees average high-temperatures adjusting to a still torrid 37.1°C (98.8°F), from a not significantly different 35.9°C (96.6°F). The months with the highest UV index in Catió are January through July, September through December, with an average maximum UV index of 7.
• Quebo - January »
  January is the least humid month in Quebo, with an average relative humidity of 32%. January through July, September through December, with an average maximum UV index of 7, are months with the highest UV index in Quebo.
• Fulacunda - January »
  The months with the highest UV index in Fulacunda are January through July, September through December, with an average maximum UV index of 7. The months with the highest UV index in Fulacunda are January through July, September through December, with an average maximum UV index of 7.
• Farim - January »
  The least humid month in Farim, Guinea-Bissau, is January, with an average relative humidity of 19%. In Farim, Guinea-Bissau, rain does not fall in January through March and December.