Saipan weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
July
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Overview
August >
Saipan weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
July
< June
Overview
August >
Day
31 °C
Night
25 °C
Sea
29 °C
Precipitation
220 mm
in month
Rainy days
12 days
in month
Daylight
13 hours
average
Sunshine
6 hours
average
Humidity
86 %
Day
31 °C
Night
25 °C
Sea
29 °C
Precipitation
220 mm
in month
Rainy days
12 days
in month
Daylight
13 hours
average
Sunshine
6 hours
average
Humidity
86 %
Overview: Saipan
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.Destinations with similar weather to Saipan
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We make the most from 40 years of historical weather data to predict the best weather conditions.Weather overview for Saipan
Weather overview
The tropical paradise of Saipan, located in the Northern Mariana Islands, boasts a warm and inviting climate year-round. Daytime temperatures usually range from 28.90 degrees Celsius in the cooler months to a balmy 31.40 degrees Celsius during peak summer days. As the sun sets, the island cools down to its lowest nighttime temperatures in February at 23.50 degrees Celsius, rising to a warm 25.50 degrees Celsius in June evenings. Ocean enthusiasts can enjoy sea temperatures that fluctuate from 27.13 degrees Celsius in February to a peak warmth of 29.18 degrees Celsius come September. March proves to be the driest month with only 7.28 days of rainfall, contrasting with August's lush period of 13.60 days of rain.
January weather
In Saipan, January's daytime temperatures remain comfortably warm at 29.10 degrees Celsius, accompanied by inviting sea temperatures of 27.56 degrees Celsius. The rainfall reduces from the previous month, with 88.27 millimeters of precipitation recorded. As the evening approaches, temperatures begin their descent. Concurrently, sunlit hours without cloud cover make an ascent, averaging 5.50 hours per day, while the wind speeds reach their peak with measurements of 6.40 meters per second.
February weather
February is characterized by the year's lowest daytime temperatures, averaging 28.90 degrees Celsius in Saipan, and the chilliest sea temperatures can be felt this month too. The count of rainy days shows an initial decline to roughly 8.36 days, which is mirrored by the rainfall volume decreasing to 67.22 millimeters. Observably, the nighttime temperatures reach their nadir at 23.50 degrees Celsius, while the humidity hits its yearly low.
March weather
In Saipan, the ascent in daytime temperature becomes notable in March, rising to 29.40 degrees Celsius, paralleled by an increase in the nighttime temperature to 24.10 degrees Celsius. March marks the onset of the dry season with the fewest rainy days at approximately 7.28, alongside a minimal amount of rainfall at 54.60 millimeters. An increase in unclouded sunshine hours is also noticeable, averaging 6.85 hours daily.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.April weather
April in Saipan is characterized by a continued rise in sea temperatures, reaching 27.71 degrees Celsius, while the land basks in a higher average daytime temperature of 30.40 degrees Celsius. An uptick in rainfall quantity can be discerned, with 71.33 millimeters logged. Dry conditions persist throughout the month with night temperatures edging up to 24.70 degrees Celsius.
May weather
May sees a further climb in Saipan's daytime temperatures to 30.90 degrees Celsius, as well as a continuing rise in sea temperatures, now hitting 28.38 degrees Celsius. As the month progresses, an initial rise in the count of rainy days is notable. Night temperatures maintain their upward trajectory, settling at 25.20 degrees Celsius, and the peak of sunny hours is observed.
June weather
June witnesses the highest daytime temperatures in Saipan, soaring to an average of 31.40 degrees Celsius, while the sea temperature continues its upward trend, registering at 28.94 degrees Celsius. Rainfall begins to intensify, resulting in 113.47 millimeters of precipitation, and the number of rainy days reaching approximately 10.68. The night is infused with warmth, averaging its highest temperature. Maximum daylight hours are also a characteristic of June.
July weather
July in Saipan sees a consistent uptick in the count of rainy days, now reaching 12.12, and a noticeable increase in rainfall amount to 220.04 millimeters. While rainfall ascends, the average number of sunny hours per day follows a descending trend.
We make the most from 40 years of historical weather data to predict the best weather conditions.August weather
August in Saipan marks the peak of rainy days per month, counting 13.60, while the volume of rainfall also observes an upsurge, amassing 284.34 millimeters. The uninterrupted sequence of sunny hours continues its decline, averaging 5.20 hours, and humidity swells to its highest levels, recorded at 87.20 percent.
September weather
In Saipan, the most significant rainfall is apparent in September, withcontinued high humidity levels. The wind speed, however, finds its lull, coming in at a gentle 4.00 meters per second. The sea temperature reaches its zenith this month, averaging 29.18 degrees Celsius.
October weather
The dive in sunny hours starts to become evident in Saipan come October, while the retreat in rainfall quantity begins its descent.
November weather
Saipan observes a decrease in rainfall amounts akin to the previous month, while the initial decrease in the number of rainy days begins to emerge.
December weather
The downward trend in daytime temperatures begins in Saipan during December, mirrored by a similar decrease in sea temperatures. A comparable decrease in the number of rainy days is notable, with precipitation values descending as well. In this period, the shortest daylight hours and the least amount of sunshine are observable.
FAQs
Is January a good month to visit Saipan?
January is an optimal time for Saipan excursions. Expect agreeable daytime temperatures averaging 29.10 degrees Celsius and an inviting sea at 27.56 degrees Celsius. Nighttime temperatures provide comfort at approximately 24.10 degrees Celsius. With rain on just 9.21 days of the month, carrying an umbrella is generally not a necessity.
What are the minimal nighttime temperatures like in Saipan during February?
Nighttime in Saipan during February offers the coolest evenings of the year, with temperatures averaging a mild 23.50 degrees Celsius. It's the lowest average for night temperatures, ideal for a restful sleep.
Does March bring a significant increase in sunny hours in Saipan?
Indeed, March in Saipan ushers in longer periods of sunshine, with an average of 6.85 hours of cloudless skies each day, an increase that is welcomed by many.
With April's temperature changes, how does the landscape in Saipan respond?
Saipan's landscape in April flourishes under the moderate increase in temperatures, fostering verdant growth thanks to the 7.35 days of nurturing rain.
We make the most from 40 years of historical weather data to predict the best weather conditions.How does the sea temperature in May influence activities in Saipan?
With the sea temperature averaging a warm 28.38 degrees Celsius in May, ocean-related activities in Saipan become especially appealing, encouraging visitors to dive, swim, and enjoy water sports.
How does the peak daytime temperature in June affect life on Saipan?
Life on Saipan under June's peak daytime temperatures, averaging 31.40 degrees Celsius, encourages a more leisurely pace, with inhabitants and visitors alike seeking the shade and the cooling caress of the sea breeze during the hottest part of the day.
How do July's increased rainy days in Saipan impact outdoor plans?
With July featuring around 12.12 rainy days in Saipan, outdoor activities may require more flexible planning to accommodate the increased likelihood of rain showers.
With August's increase in humidity, how might visitors to Saipan adjust their daily routines?
Visitors to Saipan during the humid month of August, with humidity peaking at 87.20 percent, might often seek indoor refuge or engage in water-based activities to stay cool and comfortable.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.Does September's calm winds influence Saipan's sea conditions?
The tranquil winds of September, averaging just 4.00 meters per second, typically result in calmer sea conditions around Saipan, ideal for water sports and marine explorations.
As October's sunny hours decrease in Saipan, what change does this signal for the island?
October's reduction in sunny hours in Saipan indicates the gradual transition away from the peak season, offering a different, potentially more serene experience of the island's natural beauty.
In November, what does the reduction in rain indicate for Saipan's weather patterns?
The diminishing rainfall in November suggests a gradual shift towards drier conditions in Saipan, which can be rather welcoming after the wetter preceding months.
Does December's shorter daylight period significantly affect Saipan's daily activities?
December's shorter days in Saipan might encourage residents and visitors to maximize daylight usage for their activities, yet the moderate temperatures and decreased rainfall can provide a pleasant atmosphere for various outdoor pursuits.