Northern Mariana Islands, month by month

1. JanuaryGreatDry trade-wind weather and calm west-coast water.Saipan, Tinian and Rota: best weather · Garapan (Saipan): 29 °C (84 °F) / 23 °C (73 °F), 10 rain days · Rota: 29 °C (84 °F) / 24 °C (75 °F), 16 rain daysSaipan, Tinian and Rota: best weather · Garapan (Saipan): 84 °F (29 °C) / 73 °F (23 °C), 10 rain days · Rota: 84 °F (29 °C) / 75 °F (24 °C), 16 rain daysCrowds: Medium · 4 festivals or holidays
2. FebruaryGreatDry; Lunar New Year brings Korean crowds.Saipan, Tinian and Rota: best weather · Garapan (Saipan): 29 °C (84 °F) / 23 °C (73 °F), 8 rain days · Rota: 29 °C (84 °F) / 24 °C (75 °F), 13 rain daysSaipan, Tinian and Rota: best weather · Garapan (Saipan): 84 °F (29 °C) / 73 °F (23 °C), 8 rain days · Rota: 84 °F (29 °C) / 75 °F (24 °C), 13 rain daysCrowds: High · 3 festivals or holidays
3. MarchGreatAmong the driest months; good diving visibility.Saipan, Tinian and Rota: best weather · Garapan (Saipan): 30 °C (86 °F) / 24 °C (75 °F), 8 rain days · Rota: 30 °C (86 °F) / 24 °C (75 °F), 12 rain daysSaipan, Tinian and Rota: best weather · Garapan (Saipan): 86 °F (30 °C) / 75 °F (24 °C), 8 rain days · Rota: 86 °F (30 °C) / 75 °F (24 °C), 12 rain daysCrowds: Medium · 3 festivals or holidays
4. AprilGreatDry and warm; festivals start; Golden Week at month's end.Saipan, Tinian and Rota: best weather · Garapan (Saipan): 31 °C (88 °F) / 25 °C (77 °F), 8 rain days · Rota: 31 °C (88 °F) / 25 °C (77 °F), 11 rain daysSaipan, Tinian and Rota: best weather · Garapan (Saipan): 88 °F (31 °C) / 77 °F (25 °C), 8 rain days · Rota: 88 °F (31 °C) / 77 °F (25 °C), 11 rain daysCrowds: Medium · 3 festivals or holidays
5. MayGoodHot, mostly dry; Golden Week early in the month.Saipan, Tinian and Rota: hot · Garapan (Saipan): 31 °C (88 °F) / 25 °C (77 °F), 11 rain days · Rota: 31 °C (88 °F) / 25 °C (77 °F), 14 rain daysSaipan, Tinian and Rota: hot · Garapan (Saipan): 88 °F (31 °C) / 77 °F (25 °C), 11 rain days · Rota: 88 °F (31 °C) / 77 °F (25 °C), 14 rain daysCrowds: High · 3 festivals or holidays
6. JuneGoodHumid, first showers; quieter.Saipan, Tinian and Rota: fine · Garapan (Saipan): 31 °C (88 °F) / 26 °C (79 °F), 14 rain days · Rota: 31 °C (88 °F) / 25 °C (77 °F), 16 rain daysSaipan, Tinian and Rota: fine · Garapan (Saipan): 88 °F (31 °C) / 79 °F (26 °C), 14 rain days · Rota: 88 °F (31 °C) / 77 °F (25 °C), 16 rain daysCrowds: Medium · 1 festival or holiday
7. JulyMixedRains begin; Liberation Day on the 4th; typhoon watch starts.Saipan, Tinian and Rota: rainy · Garapan (Saipan): 31 °C (88 °F) / 26 °C (79 °F), 20 rain days · Rota: 31 °C (88 °F) / 25 °C (77 °F), 20 rain daysSaipan, Tinian and Rota: rainy · Garapan (Saipan): 88 °F (31 °C) / 79 °F (26 °C), 20 rain days · Rota: 88 °F (31 °C) / 77 °F (25 °C), 20 rain daysCrowds: Medium · 4 festivals or holidays
8. AugustMixedPeak storm risk but Asian summer holidays keep hotels busy.Saipan, Tinian and Rota: storm or typhoon risk · Garapan (Saipan): 31 °C (88 °F) / 26 °C (79 °F), 21 rain days · Rota: 31 °C (88 °F) / 25 °C (77 °F), 22 rain daysSaipan, Tinian and Rota: storm or typhoon risk · Garapan (Saipan): 88 °F (31 °C) / 79 °F (26 °C), 21 rain days · Rota: 88 °F (31 °C) / 77 °F (25 °C), 22 rain daysCrowds: High · 3 festivals or holidays
9. SeptemberMixedWet and stormy; Chuseok surge some years.Saipan, Tinian and Rota: storm or typhoon risk · Garapan (Saipan): 31 °C (88 °F) / 26 °C (79 °F), 21 rain days · Rota: 31 °C (88 °F) / 25 °C (77 °F), 22 rain daysSaipan, Tinian and Rota: storm or typhoon risk · Garapan (Saipan): 88 °F (31 °C) / 79 °F (26 °C), 21 rain days · Rota: 88 °F (31 °C) / 77 °F (25 °C), 22 rain daysCrowds: Low · 4 festivals or holidays
10. OctoberMixedTyphoon risk remains (Yutu struck in late October 2018).Saipan, Tinian and Rota: storm or typhoon risk · Garapan (Saipan): 31 °C (88 °F) / 26 °C (79 °F), 19 rain days · Rota: 31 °C (88 °F) / 25 °C (77 °F), 22 rain daysSaipan, Tinian and Rota: storm or typhoon risk · Garapan (Saipan): 88 °F (31 °C) / 79 °F (26 °C), 19 rain days · Rota: 88 °F (31 °C) / 77 °F (25 °C), 22 rain daysCrowds: Low · 5 festivals or holidays
11. NovemberMixedRains ease; late storms still possible.Saipan, Tinian and Rota: rainy · Garapan (Saipan): 30 °C (86 °F) / 25 °C (77 °F), 14 rain days · Rota: 30 °C (86 °F) / 25 °C (77 °F), 20 rain daysSaipan, Tinian and Rota: rainy · Garapan (Saipan): 86 °F (30 °C) / 77 °F (25 °C), 14 rain days · Rota: 86 °F (30 °C) / 77 °F (25 °C), 20 rain daysCrowds: Low · 3 festivals or holidays
12. DecemberGoodTrade winds return; Christmas and New Year rates.Saipan, Tinian and Rota: fine · Garapan (Saipan): 29 °C (84 °F) / 24 °C (75 °F), 12 rain days · Rota: 29 °C (84 °F) / 24 °C (75 °F), 18 rain daysSaipan, Tinian and Rota: fine · Garapan (Saipan): 84 °F (29 °C) / 75 °F (24 °C), 12 rain days · Rota: 84 °F (29 °C) / 75 °F (24 °C), 18 rain daysCrowds: High · 2 festivals or holidays

Weather, crowds and prices for any two months in Northern Mariana Islands, side by side.

How each climate zone rates each month.