Saipan Weather & Climate: Northern Mariana Islands

Climate by month across Saipan, Northern Mariana Islands, average temperatures, rainfall and the best time to visit.

Climate overview of Saipan

Saipan is one of several regions in Northern Mariana Islands, with temperatures that range from 28°C (82°F) in February to 30°C (86°F) during the peak of June. We've based our full climate overview on data from Garapan, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

High temperatures are a constant in Saipan, especially in Garapan, with average maximums staying above 28°C (82°F) all year long.

When it comes to rainfall, Saipan sees significant variations throughout the year. August tends to be the wettest, receiving 352 mm (14 in) of rain, while March is much drier with just 50 mm (2 in). Travelers should note that the rainy season falls during July, August, September and October, bringing substantial precipitation ranging from 238 mm (9.4 in) to 352 mm (14 in) monthly.

Explore Saipan by month

Pick a month to see the average temperature, rainfall and sunshine in Saipan — and find the best time to visit. (based on Garapan)

Popular cities by month

Compare cities per month. Toggle cities on/off.

Garapan Rota Chalan Kanoa
Day temperature (°C)
Monthly rainfall (mm)

Climate map of Saipan

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Garapan 28°C (82°F) 30°C (86°F) 26°C (79°F) 27°C (81°F) 1894 mm (75 in)
Rota 28°C (82°F) 30°C (86°F) 26°C (79°F) 27°C (81°F) 2033 mm (80 in)
Chalan Kanoa 28°C (82°F) 30°C (86°F) 26°C (79°F) 27°C (81°F) 1898 mm (75 in)

Places in Saipan, Northern Mariana Islands

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

Popular cities