Sao Tome weather in December 2025

Expect daytime maximum temperatures of 28°C in Sao Tome, Sao Tome & Principe in December and high heat and humidity based on long-term weather averages. There are 3 hours of sunshine per day on average with 12 days with some rainfall and typically 117 mm of rainfall in the month.

  • 28°C maximum daytime temperature in December in Sao Tome28
    28°C max day temperature
  • 3 hours of sunshine per day
  • 12 days with some rainfall in December in Sao Tome12
    12 days with some rainfall
  • 21°C minimum night-time temperature in December in Sao Tome21
    21°C min night temperature
  • 12 hours of daylight per day in December in Sao Tome12
    12 hours of daylight per day
  • High heat & humidity in December in Sao TomeH
    High heat & humidity
  • 117 mm monthly rainfall in December in Sao Tome117
    117 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Sao Tome11
    11+ (Extreme) UV index
  • 28°C sea temperature in December in Sao Tome28
    28°C sea temperature

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The December weather guide for Sao Tome & Principe (Sao Tome) 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.

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

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How hot is it in Sao Tome in December?

Daytime temperatures usually reach 28°C in Sao Tome in December with high heat and humidity, falling to 21°C at night.

How sunny is it in Sao Tome in December?

There are normally 3 hours of bright sunshine each day in Sao Tome in December - that's 26% of daylight hours.

How warm is the sea around Sao Tome in December?

The average sea temperature around Sao Tome in December is 28°C.

Does it rain in Sao Tome in December?

There are usually 12 days with some rain in Sao Tome in December and the average monthly rainfall is 117mm.

Sao Tome December sunrise & sunset times

Browse the sunrise and sunset times for Sao Tome in December 2025. Select a month to view Sao Tome sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:19 17:25
Tuesday, 16th December 2025 05:26 17:32
Wednesday, 31st December 2025 05:33 17:39

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