Sao Tome & Principe weather in May 2025

Expect 29°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Sao Tome & Principe in May. Check more long-term weather averages for Sao Tome & Principe in May before you book your next holiday to Sao Tome & Principe in 2025/2026.

  • 29°C maximum daytime temperature in May in Sao Tome & Principe (Sao Tome)29
    29°C max day temperature
  • 4 hours of sunshine per day
  • 14 days with some rainfall in May in Sao Tome & Principe (Sao Tome)14
    14 days with some rainfall
  • 21°C minimum night-time temperature in May in Sao Tome & Principe (Sao Tome)21
    21°C min night temperature
  • 12 hours of daylight per day in May in Sao Tome & Principe (Sao Tome)12
    12 hours of daylight per day
  • High heat & humidity in May in Sao Tome & Principe (Sao Tome)H
    High heat & humidity
  • 168 mm monthly rainfall in May in Sao Tome & Principe (Sao Tome)168
    168 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Sao Tome & Principe (Sao Tome)11
    11+ (Extreme) UV index
  • 28°C sea temperature in May in Sao Tome & Principe (Sao Tome)28
    28°C sea temperature

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The May 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.

Top Sao Tome & Principe destinations

Below are average maximum temperatures at popular countries, regions and places in Sao Tome & Principe in May. Select a holiday destination to see more weather parameters.

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

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How hot is it in Sao Tome & Principe in May?

Daytime temperatures usually reach 29°C in Sao Tome, Sao Tome & Principe in May with high heat and humidity, falling to 21°C at night.

How sunny is it in Sao Tome & Principe in May?

There are normally 4 hours of bright sunshine each day in Sao Tome, Sao Tome & Principe in May - that's 32% of daylight hours.

How warm is the sea around Sao Tome & Principe in May?

The average sea temperature around Sao Tome, Sao Tome & Principe in May is 28°C.

Does it rain in Sao Tome & Principe in May?

There are usually 14 days with some rain in Sao Tome, Sao Tome & Principe in May and the average monthly rainfall is 168mm.

Sao Tome & Principe May sunrise & sunset times

Browse the sunrise and sunset times for Sao Tome & Principe in May 2025. Select a month to view Sao Tome & Principe sunrise and sunset times for the next 12 months. The Sao Tome & Principe sunrise and sunset times shown below are for Sao Tome.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:26 17:34
Friday, 16th May 2025 05:25 17:33
Saturday, 31st May 2025 05:27 17:35

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