São Tomé, Sao Tome And Principe Climate

Weather: 27.94°C/82.29°F, Wind SW at 3.09 km/h, 74% Humidity, 0% Chance of rain

São Tomé Climate Summary

Located at an elevation of 18.23 meters (59.81 feet) above sea level, São Tomé has a Tropical wet and dry or savanna ('summer' dry season) climate (Classification: As). The city’s yearly temperature is 26.54ºC (79.77ºF) and it is 0.0% lower than Sao Tome and Principe’s averages. São Tomé typically receives about 218.05 millimeters (8.58 inches) of precipitation and has 220.56 rainy days (60.43% of the time) annually.

CountrySao Tome and Principe
Longitude6.733343
Latitude0.3301924
Attitude/Elevation18.23m (59.81ft)
Local timeSunday 16:46
Annual high temperature27.94ºC (82.29ºF)
Annual low temperature25.36ºC (77.65ºF)
Average annual precip.218.05mm (8.58in)
Warmest monthApril (29.71ºC / 85.48ºF)
Coldest MonthJuly (22.8ºC / 73.04ºF)
Wettest MonthNovember (494.61mm / 19.47in)
Driest MonthJuly (21.74mm / 0.86in)
Number of days with rainfall (≥ 1.0 mm)220.56 days (60.43%)
Days with no rain144.44 days (39.57%)
Humidity79.4%

Climate São Tomé: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)31.0(87.8)31.0(87.8)32.0(89.6)32.0(89.6)31.0(87.8)30.0(86.0)28.0(82.4)28.0(82.4)28.0(82.4)29.0(84.2)30.0(86.0)31.0(87.8)32.0(89.6)
Average high °C (°F)28.87(83.97)29.28(84.7)29.63(85.33)29.71(85.48)28.84(83.91)26.89(80.4)25.68(78.22)25.97(78.75)26.65(79.97)27.51(81.52)28.03(82.45)28.2(82.76)27.94(82.29)
Daily mean °C (°F)27.88(82.18)28.15(82.67)28.26(82.87)28.06(82.51)27.13(80.83)25.18(77.32)23.98(75.16)24.16(75.49)25.1(77.18)26.28(79.3)26.98(80.56)27.33(81.19)26.54(79.77)
Average low °C (°F)26.83(80.29)26.87(80.37)27.23(81.01)26.8(80.24)25.9(78.62)24.15(75.47)22.8(73.04)22.96(73.33)23.88(74.98)24.94(76.89)25.6(78.08)26.39(79.5)25.36(77.65)
Record low °C (°F)18.0(64.4)18.0(64.4)18.0(64.4)16.0(60.8)16.0(60.8)14.0(57.2)14.0(57.2)13.0(55.4)14.0(57.2)15.0(59.0)16.0(60.8)18.0(64.4)13.0(55.4)
Average precipitation mm (inches)269.78(10.62)225.72(8.89)251.48(9.9)203.77(8.02)228.09(8.98)54.25(2.14)21.74(0.86)40.47(1.59)70.65(2.78)436.82(17.2)494.61(19.47)319.25(12.57)218.05(8.58)
Average precipitation days (≥ 1.0 mm)26.7323.7324.5518.9119.04.454.188.7311.3623.8226.5528.5518.38
Average relative humidity (%)76.4876.3175.8976.2179.4580.8681.4881.9282.3782.3980.9978.4179.4
Mean monthly sunshine hours11.011.1510.8310.8410.469.398.98.238.769.9910.0710.7810.03

Climate Graph

The chart below shows the mean monthly temperature and precipitation of São Tomé in recent years.

São Tomé

São Tomé Temperature by Month

March
28.26°C | 82.87°F
February
28.15°C | 82.67°F
April
28.06°C | 82.51°F
January
27.88°C | 82.18°F
December
27.33°C | 81.19°F
May
27.13°C | 80.83°F
November
26.98°C | 80.56°F
October
26.28°C | 79.3°F
June
25.18°C | 77.32°F
September
25.1°C | 77.18°F
August
24.16°C | 75.49°F
July
23.98°C | 75.16°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature31.0°C (87.8°F)29.1°C (84.38°F)27.0°C (80.6°F)
Avg Temperature31.0°C (87.8°F)28.26°C (82.87°F)27.0°C (80.6°F)
Min Temperature30.0°C (86.0°F)27.39°C (81.3°F)25.0°C (77.0°F)
Dew PointMaxAverageMin
Dew Point25.0°C (77.0°F)23.19°C (73.74°F)22.0°C (71.6°F)
PrecipitationMaxAverageMinSum
Precipitation23.4mm | 0.92in8.05mm | 0.32in0.0mm | 0in249.4mm | 9.82in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind17.0kmh | 10.56mph9.35kmh | 5.81mph5.0kmh | 3.11mph
Gust Wind27.0kmh | 16.78mph13.35kmh | 8.3mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure23.4mb8.05mb0.0mb
São Tomé

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
January° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-01-0128 | 82.423 | 73.4738 | 4.9729.91 | 101313.4 | 0.53
2019-01-0228 | 82.423 | 73.4747 | 4.3529.91 | 10130.8 | 0.03
2019-01-0328 | 82.423 | 73.47510 | 6.2129.88 | 101213.4 | 0.53
2019-01-0427 | 80.622 | 71.67510 | 6.2129.88 | 10126.4 | 0.25
2019-01-0527 | 80.623 | 73.47714 | 8.729.91 | 101314.7 | 0.58
2019-01-0627 | 80.623 | 73.47614 | 8.729.91 | 10135.5 | 0.22
2019-01-0727 | 80.622 | 71.6768 | 4.9729.88 | 10129.2 | 0.36
2019-01-0827 | 80.622 | 71.6757 | 4.3529.88 | 101210.9 | 0.43
2019-01-0928 | 82.422 | 71.6737 | 4.3529.85 | 101110.5 | 0.41
2019-01-1028 | 82.423 | 73.4755 | 3.1129.85 | 10115.7 | 0.22
2019-01-1128 | 82.422 | 71.6736 | 3.7329.83 | 101017.7 | 0.7
2019-01-1228 | 82.423 | 73.4758 | 4.9729.83 | 10100.2 | 0.01
2019-01-1328 | 82.423 | 73.4768 | 4.9729.88 | 10125.2 | 0.2
2019-01-1429 | 84.224 | 75.27510 | 6.2129.88 | 10124.4 | 0.17
2019-01-1529 | 84.223 | 73.4728 | 4.9729.88 | 10127.8 | 0.31
2019-01-1629 | 84.224 | 75.2748 | 4.9729.85 | 10110.4 | 0.02
2019-01-1730 | 86.025 | 77.07411 | 6.8429.85 | 101123.0 | 0.91
2019-01-1829 | 84.224 | 75.27412 | 7.4629.88 | 10124.3 | 0.17
2019-01-1928 | 82.423 | 73.4737 | 4.3529.91 | 10130.8 | 0.03
2019-01-2028 | 82.423 | 73.4739 | 5.5929.91 | 10130.0 | 0.0
2019-01-2128 | 82.424 | 75.2769 | 5.5929.88 | 10123.6 | 0.14
2019-01-2228 | 82.423 | 73.47712 | 7.4629.88 | 10127.5 | 0.3
2019-01-2328 | 82.424 | 75.27817 | 10.5629.88 | 101223.4 | 0.92
2019-01-2429 | 84.224 | 75.27511 | 6.8429.85 | 10112.0 | 0.08
2019-01-2528 | 82.423 | 73.47312 | 7.4629.85 | 101112.3 | 0.48
2019-01-2628 | 82.423 | 73.47310 | 6.2129.88 | 10123.7 | 0.15
2019-01-2729 | 84.224 | 75.27312 | 7.4629.88 | 101214.1 | 0.56
2019-01-2831 | 87.825 | 77.07210 | 6.2129.85 | 10113.2 | 0.13
2019-01-2929 | 84.223 | 73.4705 | 3.1129.85 | 101111.3 | 0.44
2019-01-3029 | 84.223 | 73.4739 | 5.5929.83 | 10106.4 | 0.25
2019-01-3128 | 82.423 | 73.4746 | 3.7329.85 | 10117.6 | 0.3

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