Sao Tome Climate & Temperature
- Sao Tome, Sao Tome And Principe is at 0°22'N, 6°43'E, 8 m (26 ft). See map.
- Sao Tome has a tropical wet and dry/ savanna climate with a pronounced dry season in the high-sun months, no cold season, wet season is in the low-sun months (Köppen-Geiger classification: As).
- The annual average temperature is 25.5 degrees Celsius (77.9 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
- Average monthly temperatures vary by 4 °C (7.2°F). This indicates that the continentality type is hyperoceanic, subtype truly hyperoceanic.
- Total annual Precipitation averages 872 mm (34.3 inches) which is equivalent to 872 Litres/m² (21.39 Gallons/ft²).
- On average there are 1671 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
- Were you to burrow down through the centre of the Earth from Sao Tome you would pop up nearest to the climate station at Apia, Upolu, Samoa where you would find a Tropical wet climate.
Sao Tome Climate Table
| Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | 30 (86) | 30 (86) | 31 (88) | 30 (86) | 29 (84) | 28 (82) | 28 (82) | 28 (82) | 29 (84) | 29 (84) | 29 (84) | 29 (84) | 29 (85) | ||
| Average Temperature °C ( °F) | 28 (82) | 26 (79) | 26 (79) | 26 (79) | 26 (79) | 25 (77) | 24 (75) | 24 (75) | 25 (77) | 25 (77) | 25 (77) | 26 (79) | 26 (78) | ||
| Average Min Temperature °C ( °F) | 23 (73) | 23 (73) | 23 (73) | 23 (73) | 23 (73) | 22 (72) | 21 (70) | 21 (70) | 21 (70) | 22 (72) | 22 (72) | 22 (72) | 22 (72) | ||
| Average Precipitation mm (in) | 82 (3) | 84 (3) | 132 (5) | 120 (5) | 113 (4) | 16 (1) | 0 (0) | 1 (0) | 18 (1) | 108 (4) | 100 (4) | 98 (4) | 872 (34) | ||
| Number of Wet Days (probability of rain on a day %) | 8 (26) | 8 (28) | 12 (39) | 11 (37) | 10 (32) | 3 (10) | 2 (6) | 3 (10) | 6 (20) | 12 (39) | 11 (37) | 8 (26) | 94 (26) | ||
| Average Sunlight Hours/ Day | 4h 32' | 5h 07' | 4h 09' | 4h 24' | 5h 01' | 5h 54' | 5h 13' | 4h 29' | 3h 22' | 3h 34' | 4h 34' | 4h 32' | 4h 34' | ||
| Average Daylight Hours/ Day | 12h 05' | 12h 06' | 12h 06' | 12h 07' | 12h 08' | 12h 08' | 12h 08' | 12h 07' | 12h 07' | 12h 06' | 12h 05' | 12h 05' | 12h 00' | ||
| Percentage of Sunny (Cloudy) Daylight Hours | 38 (62) | 43 (57) | 35 (65) | 37 (63) | 42 (58) | 49 (51) | 43 (57) | 37 (63) | 28 (72) | 30 (70) | 38 (62) | 38 (62) | 38 (62) | ||
| Sun altitude at solar noon on the 21st day (°). | 69.6 | 78.6 | 88.2 | 78.5 | 70.2 | 67 | 69.9 | 78.3 | 88.3 | 78.2 | 69.4 | 66.2 | 75 |
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