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Sao Tome Climate & Temperature

⛺ 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).tropical wet and dry climate with dry summers (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).

Sao Tome Climate Graph

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✨ The longest day of the year is 12:01 long on the 22 of June and the shortest day is 11:58 long on the 21 of December.

🌞 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, Sao Tome And Principe is at 0°22'N, 6°43'E, 8 m (26 ft). Check the location on the map.

Sao Tome Climate Table

Average Max Temperature °C ( °F)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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 %)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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 (°).
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
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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