Guinea-Bissau Climatic Classifications

CodeDescriptionGroupNumber of states/regionsStates/regions
AwTropical wet and dry or savannaTropical9 Bafatá Biombo Bissau Bolama Cacheu Gabú Oio Quinara Tombali

Summary: Most regions (9) in Guinea-Bissau lie in the Tropical wet and dry or savanna climate zone (Köppen: Aw). The mean average of annual temperatures range from a high of 30.79°C (87.42°F) in Gabú to a low of 29.06°C (84.31°F) in Biombo.

Climate Guinea-Bissau: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)37.41(99.34)39.02(102.24)41.16(106.09)42.36(108.25)41.99(107.58)39.65(103.37)34.5(94.1)31.7(89.06)32.07(89.73)35.69(96.24)37.34(99.21)36.33(97.39)42.36(108.25)
Average high °C (°F)35.93(96.67)37.21(98.98)38.43(101.17)38.49(101.28)37.21(98.98)35.25(95.45)31.7(89.06)30.2(86.36)31.03(87.85)33.83(92.89)35.52(95.94)35.45(95.81)35.02(95.04)
Daily mean °C (°F)28.81(83.86)29.98(85.96)31.07(87.93)31.77(89.19)31.51(88.72)30.92(87.66)28.67(83.61)27.53(81.55)27.95(82.31)29.74(85.53)29.98(85.96)28.71(83.68)29.72(85.5)
Average low °C (°F)20.37(68.67)20.79(69.42)21.3(70.34)22.67(72.81)23.95(75.11)25.54(77.97)24.7(76.46)23.97(75.15)24.04(75.27)24.63(76.33)23.26(73.87)20.89(69.6)23.01(73.42)
Record low °C (°F)18.88(65.98)18.74(65.73)19.15(66.47)21.19(70.14)23.35(74.03)25.06(77.11)23.9(75.02)23.02(73.44)23.0(73.4)23.38(74.08)21.52(70.74)19.48(67.06)18.74(65.73)
Average precipitation mm (inches)0.09(0.0)0.17(0.01)0.51(0.02)1.47(0.06)9.25(0.36)48.11(1.89)200.42(7.89)281.56(11.09)204.34(8.04)54.04(2.13)5.67(0.22)0.33(0.01)67.16(2.64)
Average precipitation days (≥ 1.0 mm)0.00.060.170.442.066.6818.7222.7518.459.941.330.086.72
Average relative humidity (%)27.5230.0939.1143.9353.4663.9276.9882.9382.6774.6254.5834.1755.33
Mean monthly sunshine hours11.2411.4611.5611.5511.4810.899.639.129.7711.0111.3111.1310.85

Guinea-Bissau Climate Graph

Guinea-Bissau

Guinea-Bissau’s Cities by Temperature

Guinea-Bissau’s states/regions ranking by average yearly temperature:

Gabú
30.79°C | 87.42°F
Bafatá
30.44°C | 86.79°F
Oio
30.17°C | 86.31°F
Tombali
29.72°C | 85.5°F
Quinara
29.72°C | 85.5°F
Cacheu
29.48°C | 85.06°F
Biombo
29.06°C | 84.31°F
Bissau
29.06°C | 84.31°F
Bolama
29.06°C | 84.31°F

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