São Tomé weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Fair
Best time to visit: June – September
What is the weather like in São Tomé in March?
In March, São Tomé is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 133 mm. The air is often humid and muggy. All in all, March is a so-so month for a holiday in São Tomé.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 58 | 54 | 55 |
| Day | 27° | 28° | 28° |
| Night | 25° | 25° | 25° |
| Sea | 29° | 29° | 29° |
| Sun | 6 h | 6 h | 5 h |
| Rain days | 19 | 20 | 18 |
More details for March
- Daylight
- 12 h 7 min05:39 – 17:46
- UV index
- 15 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 19 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 %91 %
- Sunshineweight 20 %42 %
- 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 March
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
São Tomé in March: quick answers
Is São Tomé hot in March?
Yes. In March, São Tomé is hot: daytime highs average 28 °C and nights stay around 25 °C.
Can you swim in São Tomé in March?
Yes. In March the sea averages 29.2 °C – almost as warm as a bath.
Does it rain much in São Tomé in March?
It rains often – on about 20 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 MarchSea temperature in March
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