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Sao Tome and PrincipeThe weather in May in São Tomé
It's hot in May in São Tomé with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 25°C and 26°C.
Looking for sun? May isn’t a good month to be in São Tomé. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for São Tomé, Sao Tome and Principe. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2023, São Tomé reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 26°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 28°C.
Rainfall amount
In May, there is an average of 142 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for São Tomé
Click on any day in May to get detailed info about the usual weather on that day in São Tomé. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| São Tomé | New York | |
|---|---|---|
| Average temperature | 30°C | 22°C |
| Max. temperature | 31°C | 28°C |
| Min. temperature | 25°C | -5°C |
| Total precipitation | 142 mm | 105 mm |
| Rainy days | 17 days | 14 days |
Start of May
The month of May starts in São Tomé with hot temps, averaging around 31°C during the day and nights around 26°C.
Mid May
By mid-May, daytime temps stay steady at around 31°C, with nights around 26°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of May
By the end of May, the average daytime temperature in São Tomé is around 30°C, while nighttime temps are about 26°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of São Tomé for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in São Tomé, Sao Tome and Principe. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in São Tomé
Temperature in May in São Tomé over the years
Precipitation charts
These charts show the average amount of precipitation in May in São Tomé, Sao Tome and Principe. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in São Tomé
Total precipitation in May in São Tomé over the years
Daily UV index in May in São Tomé
This chart shows the average daily UV index in May in São Tomé, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in São Tomé
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Average weather in São Tomé by month
Click on a month below to see detailed weather info for São Tomé. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.