Bolama, Guinea-Bissau Climate

Weather: 28.49°C/83.28°F, Wind SW at 4.25 km/h, 78% Humidity, 0.22% Chance of rain

Guinea-Bissau
(Photo by Ryan Clark on Unsplash)
Contents

Bolama Climate Summary

Located at an elevation of 0 meters (0.0 feet) above sea level, Bolama has a Tropical wet and dry or savanna climate (Classification: Aw). The city’s yearly temperature is 29.06ºC (84.31ºF) and it is -0.66% lower than Guinea-Bissau’s averages. Bolama typically receives about 69.64 millimeters (2.74 inches) of precipitation and has 78.36 rainy days (21.47% of the time) annually.

Country Guinea-Bissau
Longitude -15.466667
Latitude 11.583333
Attitude/Elevation 0m (0.0ft)
Local time Tuesday 11:51
Annual high temperature 33.22ºC (91.8ºF)
Annual low temperature 24.05ºC (75.29ºF)
Average annual precip. 69.64mm (2.74in)
Warmest month March (35.46ºC / 95.83ºF)
Coldest Month January (21.85ºC / 71.33ºF)
Wettest Month August (303.34mm / 11.94in)
Driest Month January (0.13mm / 0.01in)
Number of days with rainfall (≥ 1.0 mm) 78.36 days (21.47%)
Days with no rain 286.64 days (78.53%)
Humidity 58.28%

Climate Bolama: Monthly Averages

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 39.0(102.2) 39.0(102.2) 41.0(105.8) 40.0(104.0) 40.0(104.0) 37.0(98.6) 36.0(96.8) 33.0(91.4) 35.0(95.0) 37.0(98.6) 37.0(98.6) 37.0(98.6) 41.0(105.8)
Average high °C (°F) 34.31(93.76) 35.01(95.02) 35.46(95.83) 35.16(95.29) 33.85(92.93) 32.82(91.08) 30.64(87.15) 29.56(85.21) 30.45(86.81) 32.88(91.18) 34.33(93.79) 34.15(93.47) 33.22(91.8)
Daily mean °C (°F) 28.47(83.25) 29.13(84.43) 29.69(85.44) 29.96(85.93) 29.66(85.39) 29.75(85.55) 28.41(83.14) 27.55(81.59) 28.01(82.42) 29.62(85.32) 29.85(85.73) 28.57(83.43) 29.06(84.31)
Average low °C (°F) 21.85(71.33) 22.24(72.03) 22.71(72.88) 23.53(74.35) 24.45(76.01) 25.98(78.76) 25.42(77.76) 24.82(76.68) 24.94(76.89) 25.7(78.26) 24.6(76.28) 22.31(72.16) 24.05(75.29)
Record low °C (°F) 17.0(62.6) 19.0(66.2) 19.0(66.2) 19.0(66.2) 21.0(69.8) 20.0(68.0) 15.0(59.0) 0.0(0) 18.0(64.4) 16.0(60.8) 20.0(68.0) 19.0(66.2) 0.0(0)
Average precipitation mm (inches) 0.13(0.01) 0.26(0.01) 0.63(0.02) 0.97(0.04) 7.51(0.3) 36.06(1.42) 233.41(9.19) 303.34(11.94) 191.19(7.53) 54.68(2.15) 6.84(0.27) 0.69(0.03) 69.64(2.74)
Average precipitation days (≥ 1.0 mm) 0.0 0.09 0.18 0.36 2.09 5.09 18.91 22.82 16.82 10.09 1.73 0.18 6.53
Average relative humidity (%) 32.31 35.3 44.6 50.12 59.77 68.51 76.96 81.17 80.44 74.23 57.4 38.52 58.28
Mean monthly sunshine hours 11.26 11.48 11.56 11.55 11.49 10.99 9.8 9.37 10.0 11.03 11.31 11.14 10.92

Climate Graph

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

Bolama

Bolama Temperature by Month

April
29.96°C | 85.93°F
November
29.85°C | 85.73°F
June
29.75°C | 85.55°F
March
29.69°C | 85.44°F
May
29.66°C | 85.39°F
October
29.62°C | 85.32°F
February
29.13°C | 84.43°F
December
28.57°C | 83.43°F
January
28.47°C | 83.25°F
July
28.41°C | 83.14°F
September
28.01°C | 82.42°F
August
27.55°C | 81.59°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 37.0°C (98.6°F) 35.23°C (95.41°F) 32.0°C (89.6°F)
Avg Temperature 31.0°C (87.8°F) 30.33°C (86.59°F) 28.0°C (82.4°F)
Min Temperature 26.0°C (78.8°F) 24.8°C (76.64°F) 23.0°C (73.4°F)
Dew Point Max Average Min
Dew Point 23.0°C (73.4°F) 17.53°C (63.55°F) 11.0°C (51.8°F)
Precipitation Max Average Min Sum
Precipitation 1.7mm | 0.07in 0.08mm | 0.0in 0.0mm | 0in 2.3mm | 0.09in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 19.0kmh | 11.81mph 9.53kmh | 5.92mph 7.0kmh | 4.35mph
Gust Wind 29.0kmh | 18.02mph 15.03kmh | 9.34mph 10.0kmh | 6.21mph
Sea Level Pressure Max Average Min
Sea Level Pressure 1.7mb 0.08mb 0.0mb
Bolama

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
November ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2018-11-01 31 | 87.8 21 | 69.8 63 9 | 5.59 29.85 | 1011 0.1 | 0.0
2018-11-02 31 | 87.8 22 | 71.6 66 7 | 4.35 29.85 | 1011 0.0 | 0.0
2018-11-03 31 | 87.8 19 | 66.2 55 9 | 5.59 29.8 | 1009 0.0 | 0.0
2018-11-04 31 | 87.8 23 | 73.4 66 10 | 6.21 29.83 | 1010 0.2 | 0.01
2018-11-05 31 | 87.8 19 | 66.2 54 9 | 5.59 29.83 | 1010 0.0 | 0.0
2018-11-06 30 | 86.0 19 | 66.2 59 8 | 4.97 29.85 | 1011 0.0 | 0.0
2018-11-07 31 | 87.8 18 | 64.4 52 10 | 6.21 29.85 | 1011 0.0 | 0.0
2018-11-08 31 | 87.8 19 | 66.2 53 8 | 4.97 29.88 | 1012 0.0 | 0.0
2018-11-09 31 | 87.8 21 | 69.8 63 9 | 5.59 29.85 | 1011 0.0 | 0.0
2018-11-10 31 | 87.8 22 | 71.6 65 9 | 5.59 29.83 | 1010 0.0 | 0.0
2018-11-11 31 | 87.8 20 | 68.0 60 8 | 4.97 29.83 | 1010 0.0 | 0.0
2018-11-12 31 | 87.8 22 | 71.6 66 9 | 5.59 29.83 | 1010 0.0 | 0.0
2018-11-13 30 | 86.0 17 | 62.6 50 8 | 4.97 29.83 | 1010 0.0 | 0.0
2018-11-14 29 | 84.2 16 | 60.8 49 8 | 4.97 29.83 | 1010 0.0 | 0.0
2018-11-15 30 | 86.0 16 | 60.8 48 11 | 6.84 29.85 | 1011 0.0 | 0.0
2018-11-16 31 | 87.8 13 | 55.4 36 12 | 7.46 29.85 | 1011 0.2 | 0.01
2018-11-17 30 | 86.0 13 | 55.4 38 12 | 7.46 29.85 | 1011 0.0 | 0.0
2018-11-18 29 | 84.2 15 | 59.0 46 12 | 7.46 29.88 | 1012 0.1 | 0.0
2018-11-19 28 | 82.4 18 | 64.4 61 10 | 6.21 29.88 | 1012 1.7 | 0.07
2018-11-20 28 | 82.4 18 | 64.4 60 9 | 5.59 29.88 | 1012 0.0 | 0.0
2018-11-21 31 | 87.8 17 | 62.6 48 10 | 6.21 29.88 | 1012 0.0 | 0.0
2018-11-22 31 | 87.8 18 | 64.4 51 8 | 4.97 29.85 | 1011 0.0 | 0.0
2018-11-23 31 | 87.8 15 | 59.0 40 19 | 11.81 29.85 | 1011 0.0 | 0.0
2018-11-24 31 | 87.8 13 | 55.4 36 16 | 9.94 29.85 | 1011 0.0 | 0.0
2018-11-25 30 | 86.0 14 | 57.2 41 7 | 4.35 29.88 | 1012 0.0 | 0.0
2018-11-26 30 | 86.0 11 | 51.8 35 10 | 6.21 29.83 | 1010 0.0 | 0.0
2018-11-27 30 | 86.0 14 | 57.2 47 7 | 4.35 29.8 | 1009 0.0 | 0.0
2018-11-28 30 | 86.0 19 | 66.2 59 7 | 4.35 29.8 | 1009 0.0 | 0.0
2018-11-29 30 | 86.0 19 | 66.2 58 8 | 4.97 29.83 | 1010 0.0 | 0.0
2018-11-30 30 | 86.0 15 | 59.0 43 7 | 4.35 29.83 | 1010 0.0 | 0.0

Bolama 10 Year Historical Weather Data

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