Santo Antonio weather in August 2025

Expect 27°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Santo Antonio in August. Check more long-term weather averages for Santo Antonio in August before you book your next holiday to Sao Tome & Principe in 2025/2026.

  • 27°C maximum daytime temperature in August in Santo Antonio27
    27°C max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in August in Santo Antonio13
    13 days with some rainfall
  • 21°C minimum night-time temperature in August in Santo Antonio21
    21°C min night temperature
  • 12 hours of daylight per day in August in Santo Antonio12
    12 hours of daylight per day
  • Moderate heat & humidity in August in Santo AntonioM
    Moderate heat & humidity
  • 112 mm monthly rainfall in August in Santo Antonio112
    112 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Santo Antonio11
    11+ (Extreme) UV index
  • 26°C sea temperature in August in Santo Antonio26
    26°C sea temperature

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The August weather guide for Sao Tome & Principe (Santo Antonio) 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 Santo Antonio in August?

Daytime temperatures usually reach 27°C in Santo Antonio in August with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Santo Antonio in August?

There are normally 3 hours of bright sunshine each day in Santo Antonio in August - that's 22% of daylight hours.

How warm is the sea around Santo Antonio in August?

The average sea temperature around Santo Antonio in August is 26°C.

Does it rain in Santo Antonio in August?

There are usually 13 days with some rain in Santo Antonio in August and the average monthly rainfall is 112mm.

Santo Antonio August sunrise & sunset times

Browse the sunrise and sunset times for Santo Antonio in August 2025. Select a month to view Santo Antonio sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:31 17:42
Saturday, 16th August 2025 05:30 17:40
Sunday, 31st August 2025 05:26 17:35

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