Guinea-Bissau weather in January 2025

Expect 33°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Guinea-Bissau in January. Check more long-term weather averages for Guinea-Bissau in January before you book your next holiday to Guinea-Bissau in 2025/2026.

  • 33°C maximum daytime temperature in January in Guinea-Bissau (Bissau)33
    33°C max day temperature
  • 8 hours of sunshine per day
  • 0 days with some rainfall in January in Guinea-Bissau (Bissau)0
    0 days with some rainfall
  • 18°C minimum night-time temperature in January in Guinea-Bissau (Bissau)18
    18°C min night temperature
  • 12 hours of daylight per day in January in Guinea-Bissau (Bissau)12
    12 hours of daylight per day
  • Moderate heat & humidity in January in Guinea-Bissau (Bissau)M
    Moderate heat & humidity
  • 0 mm monthly rainfall in January in Guinea-Bissau (Bissau)0
    0 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in January in Guinea-Bissau (Bissau)10
    10 (Very High) UV index
  • 24°C sea temperature in January in Guinea-Bissau (Bissau)24
    24°C sea temperature

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The January weather guide for Guinea-Bissau (Bissau) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Guinea-Bissau destinations

Below are average maximum temperatures at popular countries, regions and places in Guinea-Bissau in January. Select a holiday destination to see more weather parameters.

All Guinea-Bissau destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Guinea-Bissau in January?

Daytime temperatures usually reach 33°C in Bissau, Guinea-Bissau in January with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Guinea-Bissau in January?

There are normally 8 hours of bright sunshine each day in Bissau, Guinea-Bissau in January - that's 69% of daylight hours.

How warm is the sea around Guinea-Bissau in January?

The average sea temperature around Bissau, Guinea-Bissau in January is 24°C.

Does it ever rain in Guinea-Bissau in January?

There are usually no days with some rain in Bissau, Guinea-Bissau in January and the average monthly rainfall is 0mm.

Guinea-Bissau January sunrise & sunset times

Browse the sunrise and sunset times for Guinea-Bissau in January 2025. Select a month to view Guinea-Bissau sunrise and sunset times for the next 12 months. The Guinea-Bissau sunrise and sunset times shown below are for Bissau.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:23 18:50
Thursday, 16th January 2025 07:27 18:58
Friday, 31st January 2025 07:27 19:05

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