Tonga Climatic Classifications

CodeDescriptionGroupNumber of states/regionsStates/regions
AfTropical rainforestTropical5 'Eua Ha'apai Niuas Tongatapu Vava'u

Summary: Most regions (5) in Tonga lie in the Tropical rainforest climate zone (Köppen: Af). The mean average of annual temperatures range from a high of 27.47°C (81.45°F) in Niuas to a low of 24.73°C (76.51°F) in 'Eua.

Climate Tonga: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)28.61(83.5)28.77(83.79)28.74(83.73)28.48(83.26)27.91(82.24)27.36(81.25)26.6(79.88)26.52(79.74)26.77(80.19)27.24(81.03)27.65(81.77)28.17(82.71)28.77(83.79)
Average high °C (°F)27.47(81.45)27.91(82.24)27.77(81.99)27.04(80.67)26.12(79.02)25.34(77.61)24.33(75.79)24.17(75.51)24.34(75.81)25.08(77.14)25.72(78.3)26.73(80.11)26.0(78.8)
Daily mean °C (°F)27.19(80.94)27.62(81.72)27.52(81.54)26.81(80.26)25.88(78.58)25.07(77.13)24.05(75.29)23.88(74.98)24.07(75.33)24.79(76.62)25.46(77.83)26.46(79.63)25.73(78.31)
Average low °C (°F)26.57(79.83)27.0(80.6)27.0(80.6)26.23(79.21)25.32(77.58)24.49(76.08)23.42(74.16)23.24(73.83)23.41(74.14)24.15(75.47)24.82(76.68)25.85(78.53)25.13(77.23)
Record low °C (°F)25.91(78.64)26.5(79.7)26.42(79.56)25.41(77.74)24.28(75.7)23.4(74.12)22.15(71.87)21.88(71.38)22.06(71.71)22.89(73.2)23.68(74.62)24.9(76.82)21.88(71.38)
Average precipitation mm (inches)396.66(15.62)458.11(18.04)320.85(12.63)218.32(8.6)174.64(6.88)136.06(5.36)109.14(4.3)114.74(4.52)127.75(5.03)150.51(5.93)155.24(6.11)250.31(9.85)217.69(8.57)
Average precipitation days (≥ 1.0 mm)21.7122.8423.0216.8414.6412.7312.9812.4712.3814.3114.0419.016.41
Average relative humidity (%)78.9478.2278.077.0777.4277.7876.5876.7978.0678.7978.878.477.9
Mean monthly sunshine hours10.2610.2910.310.179.899.499.399.549.7210.0311.912.0610.25

Tonga Climate Graph

Tonga

Tonga’s Cities by Temperature

Tonga’s states/regions ranking by average yearly temperature:

Niuas
27.47°C | 81.45°F
Vava'u
26.2°C | 79.16°F
Ha'apai
25.53°C | 77.95°F
'Eua
24.73°C | 76.51°F
Tongatapu
24.73°C | 76.51°F

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