Guinea-Bissau weather in October 2025

Expect daytime maximum temperatures of 32°C in Guinea-Bissau in October and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 150 mm of rainfall in the month.

  • 32°C maximum daytime temperature in October in Guinea-Bissau (Bissau)32
    32°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in October in Guinea-Bissau (Bissau)10
    10 days with some rainfall
  • 23°C minimum night-time temperature in October in Guinea-Bissau (Bissau)23
    23°C min night temperature
  • 12 hours of daylight per day in October in Guinea-Bissau (Bissau)12
    12 hours of daylight per day
  • Very high heat & humidity in October in Guinea-Bissau (Bissau)VH
    Very High heat & humidity
  • 150 mm monthly rainfall in October in Guinea-Bissau (Bissau)150
    150 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in October in Guinea-Bissau (Bissau)11
    11 (Extreme) UV index
  • 29°C sea temperature in October in Guinea-Bissau (Bissau)29
    29°C sea temperature

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The October 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 October. 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 October?

Daytime temperatures usually reach 32°C in Bissau, Guinea-Bissau in October with very high heat and humidity, falling to 23°C at night.

How sunny is it in Guinea-Bissau in October?

There are normally 7 hours of bright sunshine each day in Bissau, Guinea-Bissau in October - that's 61% of daylight hours.

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

The average sea temperature around Bissau, Guinea-Bissau in October is 29°C.

Does it rain in Guinea-Bissau in October?

There are usually 10 days with some rain in Bissau, Guinea-Bissau in October and the average monthly rainfall is 150mm.

Guinea-Bissau October sunrise & sunset times

Browse the sunrise and sunset times for Guinea-Bissau in October 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 October 2025 06:51 18:52
Thursday, 16th October 2025 06:52 18:44
Friday, 31st October 2025 06:55 18:37

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