List of largest cities in Northern Mariana Islands
Saipan
Saipan
San Jose Village
Tinian
Weather, climate, temperature by months in Northern Mariana Islands
| Season | Autumn | Winter | Spring | Summer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year | ||
| Record high | °C | 41 | 37 | 37 | 37 | 34 | 32 | 35 | 36 | 35 | 35 | 36 | 37 | 41 | |
| Average high | °C | 30 | 30 | 30 | 29 | 28 | 28 | 28 | 30 | 30 | 30 | 30 | 30 | 29 | |
| Average temperature | °C | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | |
| Average low | °C | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | |
| Record low | °C | 16 | 14 | 16 | 17 | 16 | 16 | 11 | 15 | 16 | 15 | 13 | 17 | 11 | |
| Rain | Days | 5 | 6 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 5 | 7 | 49 | |
| Thunderstorms | Days | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 2 | 10 | |
| Average precipitation | Mm. | 307 | 282 | 188 | 128 | 100 | 98 | 61 | 98 | 92 | 128 | 262 | 316 | 2060 | |
| Relative humidity morning | % | 90 | 89 | 88 | 87 | 86 | 85 | 85 | 85 | 85 | 85 | 88 | 90 | 87 | |
| Relative humidity evening | % | 81 | 81 | 81 | 79 | 76 | 75 | 74 | 74 | 75 | 77 | 78 | 81 | 78 | |
| Wind speed | Km/h | 12 | 14 | 16 | 17 | 16 | 16 | 16 | 17 | 16 | 16 | 14 | 12 | 15 | |
| Day Length | Hours | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | |
| Dew point | °C | 25 | 25 | 25 | 23 | 22 | 22 | 22 | 23 | 24 | 25 | 25 | 25 | 286 | |
| Growing degree-day | °C | 700 | 722 | 694 | 688 | 671 | 593 | 662 | 683 | 734 | 720 | 732 | 728 | 8326 | |
| Solar radiation, global | Mj/m2 | 20 | 20 | 19 | 18 | 19 | 21 | 24 | 26 | 26 | 25 | 23 | 21 | 22 | |
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