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Bissau Climate & Temperature

  • Bissau, Guinea-Bissau is at 11°52'N, 15°34'W, 21 m (69 ft). See map.
  • Bissau has a tropical wet and dry/ savanna climate (Köppen-Geiger classification: Aw) with a pronounced dry season in the low-sun months , no cold season, wet season is in the high-sun months.
  • The annual average temperature is 26.5 degrees Celsius (79.6 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 2.5 °C (4.5°F). This indicates that the continentality type is hyperoceanic, subtype extremely hyperoceanic. Bissau Climate Graph
  • Total annual Precipitation averages 1977.5 mm (77.9 inches) which is equivalent to 1977.5 Litres/m² (48.5 Gallons/ft²).
  • On average there are 2692 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 Bissau you would pop up nearest to the climate station at Auki, Solomon Islands (Tropical moist forest biome).

Bissau Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 32 (90) 33 (91) 34 (93) 33 (91) 33 (91) 31 (88) 30 (86) 29 (84) 30 (86) 31 (88) 32 (90) 31 (88) 32 (89)
 
Average Temperature °C ( °F) 25 (77) 26 (79) 27 (81) 27 (81) 28 (82) 27 (81) 27 (80) 26 (79) 27 (80) 27 (81) 27 (81) 25 (77) 26 (80)
 
Average Min Temperature °C ( °F) 18 (64) 19 (66) 20 (68) 21 (70) 22 (72) 23 (73) 23 (73) 23 (73) 23 (73) 23 (73) 22 (72) 19 (66) 21 (70)
 
Average Precipitation mm (in) 1 (0) 1 (0) 1 (0) 1 (0) 24 (1) 167 (7) 494 (19) 617 (24) 416 (16) 199 (8) 44 (2) 13 (1) 1978 (78)
Number of Wet Days (probability of rain on a day %) 4 (13) 4 (14) 3 (10) 1 (3) 3 (10) 14 (47) 24 (77) 28 (90) 24 (80) 18 (58) 8 (27) 2 (6) 133 (36)
Average Sunlight Hours/ Day 8h 03' 8h 36' 9h 40' 9h 54' 9h 03' 7h 10' 5h 03' 3h 50' 5h 06' 6h 44' 7h 48' 7h 32' 7h 22'
Average Daylight Hours/ Day 11h 30' 11h 43' 12h 02' 12h 22' 12h 39' 12h 48' 12h 44' 12h 30' 12h 10' 11h 50' 11h 33' 11h 25' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 71 (29) 74 (26) 81 (19) 81 (19) 72 (28) 57 (43) 40 (60) 31 (69) 42 (58) 57 (43) 68 (32) 67 (33) 61 (39)
Sun altitude at solar noon on the 21st day (°). 58.2 67.4 78.3 89.7 81.6 78.4 81.3 89.2 78.6 67 58 54.7 73.3

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