Poiso Alto, São Tomé, Sao Tome And Principe Climate

Weather: 22.09°C/71.76°F, Wind SW at 1.94 km/h, 81% Humidity, 0.52% Chance of rain

Sao Tome and Principe
(Photo by Ronaldo Santos on Unsplash)

Poiso Alto Climate Summary

Located at an elevation of 712.57 meters (2337.83 feet) above sea level, Poiso Alto has a Tropical wet and dry or savanna ('summer' dry season) climate (Classification: As). The district’s yearly temperature is 26.68ºC (80.02ºF) and it is 0.14% higher than Sao Tome and Principe’s averages. Poiso Alto typically receives about 219.22 millimeters (8.63 inches) of precipitation and has 221.74 rainy days (60.75% of the time) annually.

Country Sao Tome and Principe
City São Tomé
Longitude 6.6087087
Latitude 0.3282325
Attitude/Elevation 712.57m (2337.83ft)
Local time Sunday 19:21
Annual high temperature 28.09ºC (82.56ºF)
Annual low temperature 25.5ºC (77.9ºF)
Average annual precip. 219.22mm (8.63in)
Warmest month April (29.87ºC / 85.77ºF)
Coldest Month July (22.92ºC / 73.26ºF)
Wettest Month November (497.28mm / 19.58in)
Driest Month July (21.86mm / 0.86in)
Number of days with rainfall (≥ 1.0 mm) 221.74 days (60.75%)
Days with no rain 143.26 days (39.25%)
Humidity 79.83%

Climate Poiso Alto: Weather By Month

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 31.17(88.11) 31.17(88.11) 32.17(89.91) 32.17(89.91) 31.17(88.11) 30.16(86.29) 28.15(82.67) 28.15(82.67) 28.15(82.67) 29.16(84.49) 30.16(86.29) 31.17(88.11) 32.17(89.91)
Average high °C (°F) 29.03(84.25) 29.44(84.99) 29.79(85.62) 29.87(85.77) 29.0(84.2) 27.04(80.67) 25.82(78.48) 26.11(79.0) 26.79(80.22) 27.66(81.79) 28.18(82.72) 28.35(83.03) 28.09(82.56)
Daily mean °C (°F) 28.03(82.45) 28.3(82.94) 28.41(83.14) 28.21(82.78) 27.28(81.1) 25.32(77.58) 24.11(75.4) 24.29(75.72) 25.24(77.43) 26.42(79.56) 27.13(80.83) 27.48(81.46) 26.68(80.02)
Average low °C (°F) 26.97(80.55) 27.02(80.64) 27.38(81.28) 26.94(80.49) 26.04(78.87) 24.28(75.7) 22.92(73.26) 23.08(73.54) 24.01(75.22) 25.07(77.13) 25.74(78.33) 26.53(79.75) 25.5(77.9)
Record low °C (°F) 18.1(64.58) 18.1(64.58) 18.1(64.58) 16.09(60.96) 16.09(60.96) 14.08(57.34) 14.08(57.34) 13.07(55.53) 14.08(57.34) 15.08(59.14) 16.09(60.96) 18.1(64.58) 13.07(55.53)
Average precipitation mm (inches) 271.24(10.68) 226.94(8.93) 252.84(9.95) 204.87(8.07) 229.32(9.03) 54.54(2.15) 21.86(0.86) 40.69(1.6) 71.03(2.8) 439.18(17.29) 497.28(19.58) 320.97(12.64) 219.23(8.63)
Average precipitation days (≥ 1.0 mm) 26.87 23.86 24.68 19.01 19.1 4.47 4.2 8.78 11.42 23.95 26.69 28.7 18.48
Average relative humidity (%) 76.89 76.72 76.3 76.62 79.88 81.3 81.92 82.36 82.81 82.83 81.43 78.83 79.83
Mean monthly sunshine hours 11.06 11.21 10.89 10.9 10.52 9.44 8.95 8.27 8.81 10.04 10.12 10.84 10.08

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Poiso Alto in recent years.

Poiso Alto

Poiso Alto Temperature by Month

March
28.41°C | 83.14°F
February
28.3°C | 82.94°F
April
28.21°C | 82.78°F
January
28.03°C | 82.45°F
December
27.48°C | 81.46°F
May
27.28°C | 81.1°F
November
27.13°C | 80.83°F
October
26.42°C | 79.56°F
June
25.32°C | 77.58°F
September
25.24°C | 77.43°F
August
24.29°C | 75.72°F
July
24.11°C | 75.4°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
Temperature Max Average Min
Max Temperature 30.16°C (86.29°F) 30.09°C (86.16°F) 29.16°C (84.49°F)
Avg Temperature 28.15°C (82.67°F) 28.15°C (82.67°F) 28.15°C (82.67°F)
Min Temperature 28.15°C (82.67°F) 27.55°C (81.59°F) 26.14°C (79.05°F)
Dew Point Max Average Min
Dew Point 25.14°C (77.25°F) 24.26°C (75.67°F) 23.12°C (73.62°F)
Precipitation Max Average Min Sum
Precipitation 16.59mm | 0.65in 3.72mm | 0.15in 0.0mm | 0in 111.69mm | 4.4in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 13.07kmh | 8.12mph 8.31kmh | 5.16mph 4.02kmh | 2.5mph
Gust Wind 19.1kmh | 11.87mph 11.69kmh | 7.26mph 5.03kmh | 3.13mph
Sea Level Pressure Max Average Min
Sea Level Pressure 16.59mb 3.72mb 0.0mb
Poiso Alto

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
April ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2011-04-01 28.15 | 82.67 25.14 | 77.25 79 12.06 | 7.49 29.99 | 1015.45 3.72 | 0.15
2011-04-02 28.15 | 82.67 25.14 | 77.25 79 9.05 | 5.62 29.99 | 1015.45 5.53 | 0.22
2011-04-03 28.15 | 82.67 24.13 | 75.43 77 9.05 | 5.62 29.96 | 1014.45 0.0 | 0
2011-04-04 28.15 | 82.67 24.13 | 75.43 76 6.03 | 3.75 29.96 | 1014.45 0.8 | 0.03
2011-04-05 28.15 | 82.67 24.13 | 75.43 76 7.04 | 4.37 29.99 | 1015.45 3.52 | 0.14
2011-04-06 28.15 | 82.67 24.13 | 75.43 77 6.03 | 3.75 29.99 | 1015.45 0.0 | 0
2011-04-07 28.15 | 82.67 24.13 | 75.43 76 9.05 | 5.62 29.96 | 1014.45 3.72 | 0.15
2011-04-08 28.15 | 82.67 24.13 | 75.43 78 11.06 | 6.87 29.96 | 1014.45 0.0 | 0
2011-04-09 28.15 | 82.67 24.13 | 75.43 76 6.03 | 3.75 29.99 | 1015.45 0.5 | 0.02
2011-04-10 28.15 | 82.67 23.12 | 73.62 74 4.02 | 2.5 29.96 | 1014.45 0.6 | 0.02
2011-04-11 28.15 | 82.67 24.13 | 75.43 77 7.04 | 4.37 29.93 | 1013.44 1.61 | 0.06
2011-04-12 28.15 | 82.67 24.13 | 75.43 75 8.04 | 5.0 29.93 | 1013.44 0.5 | 0.02
2011-04-13 28.15 | 82.67 24.13 | 75.43 77 8.04 | 5.0 29.93 | 1013.44 1.01 | 0.04
2011-04-14 28.15 | 82.67 24.13 | 75.43 78 9.05 | 5.62 29.93 | 1013.44 7.64 | 0.3
2011-04-15 28.15 | 82.67 24.13 | 75.43 78 10.05 | 6.24 29.9 | 1012.44 0.2 | 0.01
2011-04-16 28.15 | 82.67 23.12 | 73.62 73 6.03 | 3.75 29.9 | 1012.44 3.72 | 0.15
2011-04-17 28.15 | 82.67 24.13 | 75.43 77 8.04 | 5.0 29.93 | 1013.44 4.83 | 0.19
2011-04-18 28.15 | 82.67 25.14 | 77.25 78 11.06 | 6.87 29.93 | 1013.44 11.46 | 0.45
2011-04-19 28.15 | 82.67 25.14 | 77.25 78 8.04 | 5.0 29.93 | 1013.44 5.63 | 0.22
2011-04-20 28.15 | 82.67 24.13 | 75.43 77 13.07 | 8.12 29.93 | 1013.44 16.59 | 0.65
2011-04-21 28.15 | 82.67 24.13 | 75.43 75 8.04 | 5.0 29.96 | 1014.45 7.94 | 0.31
2011-04-22 28.15 | 82.67 24.13 | 75.43 76 7.04 | 4.37 29.93 | 1013.44 0.0 | 0
2011-04-23 28.15 | 82.67 24.13 | 75.43 78 11.06 | 6.87 29.93 | 1013.44 16.19 | 0.64
2011-04-24 28.15 | 82.67 24.13 | 75.43 77 9.05 | 5.62 29.96 | 1014.45 2.01 | 0.08
2011-04-25 28.15 | 82.67 24.13 | 75.43 79 5.03 | 3.13 29.96 | 1014.45 1.11 | 0.04
2011-04-26 28.15 | 82.67 25.14 | 77.25 81 8.04 | 5.0 29.96 | 1014.45 0.0 | 0
2011-04-27 28.15 | 82.67 24.13 | 75.43 80 8.04 | 5.0 29.99 | 1015.45 0.3 | 0.01
2011-04-28 28.15 | 82.67 24.13 | 75.43 78 8.04 | 5.0 29.99 | 1015.45 8.04 | 0.32
2011-04-29 28.15 | 82.67 24.13 | 75.43 78 9.05 | 5.62 29.96 | 1014.45 2.41 | 0.09
2011-04-30 28.15 | 82.67 25.14 | 77.25 81 8.04 | 5.0 29.96 | 1014.45 2.11 | 0.08

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