Northern Mariana Islands Climate
Climate Zone and Historical Climate Data
Northern Mariana Islands Climatic Classifications
| Code | Description | Group | Number of states/regions | States/regions |
|---|---|---|---|---|
| Af | Tropical rainforest | Tropical | 4 | Northern Islands Rota Saipan Tinian |
Summary: Most regions (4) in Northern Mariana Islands lie in the Tropical rainforest climate zone (Köppen: Af). The mean average of annual temperatures range from a high of 28.34°C (83.01°F) in Rota to a low of 27.54°C (81.57°F) in Northern Islands.
Climate Northern Mariana Islands: Weather By Month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 27.79(82.02) | 27.42(81.36) | 27.7(81.86) | 28.25(82.85) | 28.89(84.0) | 29.25(84.65) | 29.34(84.81) | 29.33(84.79) | 29.34(84.81) | 29.1(84.38) | 28.98(84.16) | 28.55(83.39) | 29.34(84.81) |
| Average high °C (°F) | 27.1(80.78) | 26.65(79.97) | 27.0(80.6) | 27.67(81.81) | 28.55(83.39) | 29.14(84.45) | 29.33(84.79) | 29.3(84.74) | 29.29(84.72) | 29.04(84.27) | 28.77(83.79) | 28.13(82.63) | 28.33(82.99) |
| Daily mean °C (°F) | 26.88(80.38) | 26.41(79.54) | 26.76(80.17) | 27.4(81.32) | 28.31(82.96) | 28.91(84.04) | 29.03(84.25) | 29.03(84.25) | 29.02(84.24) | 28.78(83.8) | 28.54(83.37) | 27.91(82.24) | 28.08(82.54) |
| Average low °C (°F) | 26.37(79.47) | 25.87(78.57) | 26.28(79.3) | 26.95(80.51) | 27.8(82.04) | 28.42(83.16) | 28.55(83.39) | 28.46(83.23) | 28.46(83.23) | 28.19(82.74) | 27.92(82.26) | 27.36(81.25) | 27.55(81.59) |
| Record low °C (°F) | 24.84(76.71) | 24.39(75.9) | 25.16(77.29) | 26.12(79.02) | 27.42(81.36) | 28.37(83.07) | 28.5(83.3) | 28.39(83.1) | 28.41(83.14) | 28.16(82.69) | 27.5(81.5) | 26.67(80.01) | 24.39(75.9) |
| Average precipitation mm (inches) | 127.93(5.04) | 80.49(3.17) | 77.87(3.07) | 109.84(4.32) | 137.29(5.41) | 179.66(7.07) | 353.52(13.92) | 509.27(20.05) | 462.97(18.23) | 458.74(18.06) | 199.2(7.84) | 107.49(4.23) | 233.69(9.2) |
| Average precipitation days (≥ 1.0 mm) | 17.7 | 15.84 | 14.71 | 15.73 | 18.16 | 22.14 | 27.43 | 27.55 | 27.11 | 26.77 | 21.18 | 18.34 | 21.06 |
| Average relative humidity (%) | 77.27 | 77.13 | 77.88 | 78.61 | 77.79 | 76.98 | 76.62 | 76.41 | 76.74 | 77.55 | 78.07 | 77.56 | 77.38 |
| Mean monthly sunshine hours | 9.77 | 10.42 | 10.59 | 11.29 | 12.56 | 12.69 | 12.29 | 10.72 | 10.57 | 8.98 | 8.03 | 8.05 | 10.5 |
Northern Mariana Islands Climate Graph
Northern Mariana Islands’s Cities by Temperature
Northern Mariana Islands’s states/regions ranking by average yearly temperature:
| Rota | 28.34°C | 83.01°F | |
| Saipan | 28.22°C | 82.8°F | |
| Tinian | 28.22°C | 82.8°F | |
| Northern Islands | 27.54°C | 81.57°F |
States/Regions
Popular places in Northern Mariana Islands
- Sinapalo Rota
- Maturana Hill Saipan
- Opyan Saipan
- Kannat Tabla Saipan
- Talakhaya Rota
- Mount Taipingot Rota
- Duge' Rota
- Papago' Saipan
- Pidos Kahalo Saipan
- Tatachok Rota
- Capital Hill Saipan
- I Naftan Saipan
- Hilaihai Saipan
- Fanonchuluyan Saipan
- As Niebes Rota
- Pekngasu Rota
- I Chenchon Rota
- Fanlagon Rota
- Western Tinian Tinian
- As Akoddo' Rota
- Susupi Saipan
- Tapochao Saipan
- Bird Island Saipan
- Mount Sabana Rota
- I Koridot Rota
- Dagu Saipan
- Chalan Pupulu Saipan
- Chalan Kiya Saipan
- Chalan Laulau Saipan
- Alamagan Northern Islands
- Agusan Rota
- Farallon de Medinilla Northern Islands
- Fina' Sisu Saipan
- Afatung Rota
- Finata Rota
- Tanapag Saipan
- Garapan Saipan
- Talafo'fo' Saipan
- Fananganan Saipan
- Sadog Tasi Saipan
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