Sao Tome weather in May 2026

Expect daytime maximum temperatures of 84°F in Sao Tome, Sao Tome & Principe in May and high heat and humidity based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall and typically 6.6 inches of rainfall in the month.

  • 84°F maximum daytime temperature in May in Sao Tome84
    84°F max day temperature
  • 4 hours of sunshine per day
  • 14 days with some rainfall in May in Sao Tome14
    14 days with some rainfall
  • 70°F minimum night-time temperature in May in Sao Tome70
    70°F min night temperature
  • 12 hours of daylight per day in May in Sao Tome12
    12 hours of daylight per day
  • High heat & humidity in May in Sao TomeH
    High heat & humidity
  • 6.6 inches monthly rainfall in May in Sao Tome6.6
    6.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Sao Tome11
    11+ (Extreme) UV index
  • 82°F sea temperature in May in Sao Tome82
    82°F 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.

Metric (°C)  |  Imperial (°F)

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How hot is it in Sao Tome in May?

Daytime temperatures usually reach 84°F in Sao Tome in May with high heat and humidity, falling to 70°F at night.

How sunny is it in Sao Tome in May?

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

How warm is the sea around Sao Tome in May?

The average sea temperature around Sao Tome in May is 82°F.

Does it rain in Sao Tome in May?

There are usually 14 days with some rain in Sao Tome in May and the average monthly rainfall is 6.6 inches.

Sao Tome May sunrise & sunset times

Browse the sunrise and sunset times for Sao Tome in May 2026. Select a month to view Sao Tome sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:26 17:34
Saturday, 16th May 2026 05:25 17:33
Sunday, 31st May 2026 05:27 17:35

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