All data are in degrees Fahrenheit

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Water temperature in São Tomé

Detailed information about the current water temperature in São Tomé. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in São Tomé now

80.7

°F

June 11, 00:48

Trend:

stable

Yesterday:

80.7°F

Tomorrow:

80.7°F

Sunrise:

06:28

Sunset:

18:37

Day Length:

12 h. 9 min.

São Tomé in June

Minimum:

82.1°F

Average:

83.0°F

Maximum:

84.3°F

Sea water temperature in São Tomé today

As of now, in São Tomé, the water temperature is 80.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 82.5°F on 2021, while the historical minimum was 79.3°F on 2024.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 80.4°F, the minimum temperature may reach 80.1°F, and the maximum might stay at 80.7°F.

Daily water temperature in São Tomé

Date Current Year

actual* / forecast**

last year 10 years average
May 28 81.8°F 81.7°F 82.5°F
May 29 81.9°F 82.3°F 82.4°F
May 30 80.9°F 81.8°F 82.1°F
May 31 82.3°F 81.5°F 82.0°F
Jun 1 82.2°F 82.2°F 82.2°F
Jun 2 82.1°F 82.4°F 82.1°F
Jun 3 81.8°F 82.0°F 81.8°F
Jun 4 81.9°F 82.2°F 81.7°F
Jun 5 80.6°F 82.1°F 81.4°F
Jun 6 82.2°F 81.8°F 81.5°F
Jun 7 81.8°F 81.6°F 81.4°F
Jun 8 81.5°F 82.1°F 81.2°F
Jun 9 81.3°F 81.6°F 81.3°F
Jun 10 80.7°F 81.2°F 81.2°F
Jun 11 80.7°F 81.1°F 81.2°F
Jun 12 80.7°F 81.2°F 81.1°F
Jun 13 80.6°F 80.9°F 81.0°F
Jun 14 80.4°F 80.4°F 80.9°F
Jun 15 80.3°F 80.1°F 80.8°F
Jun 16 80.3°F 79.6°F 80.8°F
Jun 17 80.3°F 79.5°F 80.7°F
Jun 18 80.1°F 79.4°F 80.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in São Tomé by month

In São Tomé, the water temperature is comfortable for swimming all year round.
The warmest water in São Tomé was recorded on April 28, 2024, reaching a 86.5°F. While the coldest temperature occurred on August 15, 2025, dipping to 75.6°F. The average readings by season are 83.1°F in Winter, 84.0°F in Spring, 79.3°F in Summer, and 80.6°F in Autumn.