Tonga Climate
Climate Zone and Historical Climate Data
Tonga Climatic Classifications
| Code | Description | Group | Number of states/regions | States/regions |
|---|---|---|---|---|
| Af | Tropical rainforest | Tropical | 5 | '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 Tongatapu.
Climate Tonga: Weather By Month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | 21.71 | 22.84 | 23.02 | 16.84 | 14.64 | 12.73 | 12.98 | 12.47 | 12.38 | 14.31 | 14.04 | 19.0 | 16.41 |
| Average relative humidity (%) | 78.94 | 78.22 | 78.0 | 77.07 | 77.42 | 77.78 | 76.58 | 76.79 | 78.06 | 78.79 | 78.8 | 78.4 | 77.9 |
| Mean monthly sunshine hours | 10.26 | 10.29 | 10.3 | 10.17 | 9.89 | 9.49 | 9.39 | 9.54 | 9.72 | 10.03 | 11.9 | 12.06 | 10.25 |
Tonga Climate Graph
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 |
Popular places in Tonga
- Ha`akame Tongatapu
- Fua`amotu Tongatapu
- Huma 'Eua
- Nakolo Tongatapu
- Houma Tongatapu
- Buke Tongatapu
- Utulei Vava'u
- Tofoa Tongatapu
- Longomapu Vava'u
- `Ohonua 'Eua
- Tongamama`o Niuas
- Tonumeia Island Ha'apai
- Vaimalo Vava'u
- Lakepa Tongatapu
- Niniva Island Ha'apai
- Holonga Tongatapu
- Tofua Island Ha'apai
- Ha`akili Tongatapu
- Talafo`ou Tongatapu
- Esia Niuas
- Tokomololo Tongatapu
- Mangia Vava'u
- Vaotu`u Tongatapu
- Afa Tongatapu
- Mata`aho Niuas
- Ta`anea Vava'u
- Mu`a Niuas
- Lofanga Island Ha'apai
- Mu`a Tongatapu
- Koloa Vava'u
- Fatumu Tongatapu
- Hamula Tongatapu
- Neiafu Vava'u
- Matahau Tongatapu
- Manuka Tongatapu
- Pukutala Ha'apai
- Kelefesia Island Ha'apai
- Navea Ha'apai
- Lotofoa Ha'apai
- Nukuleka Tongatapu
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