São Tomé weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: June – September
What is the weather like in São Tomé in April?
In April, São Tomé is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 29.1 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 18 days, totalling 133 mm. The air is often humid and muggy. All in all, April is a so-so month for a holiday in São Tomé.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 7 min05:30 – 17:37
- UV index
- 14 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 81 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+0Africa/Sao_Tome
How the score comes together
- Temperatureweight 50 %94 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
São Tomé in April: quick answers
Is São Tomé hot in April?
Yes. In April, São Tomé is hot: daytime highs average 28 °C and nights stay around 25 °C.
Can you swim in São Tomé in April?
Yes. In April the sea averages 29.1 °C – almost as warm as a bath.
Does it rain much in São Tomé in April?
It rains often – on about 18 days, adding up to 133 mm.
São Tomé month by month
The whole year in São ToméAll destinations: São Tomé and PríncipeWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences