The best times to visit Saipan for ideal weather are

late February and early March

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.


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Other Saipan Travel Info

Weather in Saipan

Temperature

Average temperatures in Saipan vary barely at all. Considering humidity, temperatures feel hot all year with a chance of rain throughout most of the year. The area is far less temperate than some — in the bottom 1 percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Saipan, the hottest months are June, May, and then July. See average monthly temperatures below. The warmest time of year is generally early to mid June where highs are regularly around 88.7°F (31.5°C) with temperatures rarely dropping below 78.7°F (25.9°C) at night.

Saipan Temperatures (Fahrenheit)

Key
High
Average
Low

Saipan Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Saipan Perceived Temperature (F)

Key
High
Average
Low

Saipan Perceived Temperature (C)

Key
High
Average
Low

 

Average Saipan Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
Jan8579.675.7
Feb84.278.974.7
Mar8579.575.1
Apr86.981.276.8
May87.982.377.8
Jun88.483.178.3
Jul87.182.177.5
Aug8781.877
Sep87.281.877.2
Oct86.381.376.9
Nov86.881.877.4
Dec85.980.776.4

Show Celsius

MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
Jan29.426.424.3
Feb2926.123.7
Mar29.426.423.9
Apr30.527.324.9
May31.127.925.4
Jun31.328.425.7
Jul30.627.825.3
Aug30.627.725
Sep30.727.725.1
Oct30.227.424.9
Nov30.427.725.2
Dec29.927.124.7


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Saipan are March, April, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late April. For example, on the week of April 23rd there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid to late September with an average of 5 days of significant precipitation the week of September 17th.

When can you find snow in Saipan? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Saipan.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Saipan (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
Jan33%04.9
Feb27%02.6
Mar21%02.9
Apr21%03
May38%05.1
Jun42%04.9
Jul43%06.8
Aug53%011.4
Sep58%011.3
Oct55%011.5
Nov38%05.1
Dec28%03.4

Show Centimeters

MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
Jan33012.4
Feb2706.6
Mar2107.4
Apr2107.6
May38013
Jun42012.4
Jul43017.3
Aug53029
Sep58028.7
Oct55029.2
Nov38013
Dec2808.6

 

Humidity and Wind

Saipan has some very humid months, and high humidity throughout the year. The least humid month is February (71% relative humidity), and the most humid month is October (79.9%).

Wind in Saipan is usually moderate. The windiest month is March, followed by January and December. March’s average wind speed of around 11.9 knots (13.8 MPH or 22.1 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid January where average top sustained speeds reach 18.9 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Saipan.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
Jan11.9Significant breeze17.5Strong breeze
Feb11.4Significant breeze16.4Significant breeze
Mar11.9Significant breeze17.1Strong breeze
Apr11Significant breeze15.8Significant breeze
May9.3Gentle breeze14.5Strong breeze
Jun8.7Gentle breeze14.1Significant breeze
Jul7.5Gentle breeze13.3Strong breeze
Aug6.4Light breeze12.3Significant breeze
Sep6.9Light breeze13.3Strong breeze
Oct8.6Gentle breeze14.4Significant breeze
Nov11.4Significant breeze16.5Strong breeze
Dec11.6Significant breeze16.6Significant breeze

Show Relative Humidity by Month

MonthAvg. Relative Humidity
Jan72.7%
Feb71%
Mar72%
Apr72%
May72.5%
Jun72.5%
Jul77.4%
Aug79%
Sep79.6%
Oct79.9%
Nov76%
Dec74.5%

 

Is it Safe to Travel to Saipan?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the Northern Marianas; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 06, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Saipan, the United States Commonwealth of the Northern Mariana Islands is July, followed by December and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Saipan in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 21.5 in October means 21.5% of the tourists vs. July.


Overall Saipan Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 88.2°F (31.2°C) and 84.1°F (28.9°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 12 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 13 to 16 days of precipitation per month. June – August is the busiest season for tourism in Saipan, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 87.6°F (30.9°C) and 86.1°F (30.1°C), which will feel very nice given the humidity and wind. It rains or snows a great amount: 11 to 17 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is perfect this time of year in Saipan to be enjoyable for warm weather travelers. The average high during this season is between 86.3°F (30.2°C) and 84.1°F (28.9°C). On average, it rains or snows a fair amount: 8 to 10 times per month. These times of year are the second busiest with tourists.

 

Best Times to Travelthe United States Commonwealth of the Northern Mariana Islands › Saipan, the United States Commonwealth of the Northern Mariana Islands


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