March Weather in Saipan, Northern Mariana Islands

Last updated: August 31, 2025

March in Saipan, Northern Mariana Islands, delights visitors with mild temperatures averaging 27°C (80°F). Daily maximums soar to a warm 28°C (83°F), while nighttime dips offer a comfortable low of 25°C (77°F). Despite the pleasant warmth, the island experiences a moderate precipitation level of 41 mm (1.6 in) over 13 days, contributing to its lush landscape. With humidity levels hovering around 83%, the tropical climate enriches the air, making it ideal for exploring the stunning beaches or enjoying vibrant local culture. March is a perfect time to experience the natural beauty and warm hospitality that Saipan has to offer.

March Temperature in Saipan

March in Saipan, Northern Mariana Islands, marks a subtle transition to warmer days as temperatures gradually rise. With a minimum of 25°C (77°F) and an average hovering around 27°C (80°F), the island maintains a consistent tropical warmth. The maximum temperature remains steady at 28°C (83°F), mirroring the previous months. This slight increase in nighttime warmth hints at the approach of summer, while the delightful average keeps outdoor activities enjoyable. As spring unfolds, Saipan's inviting climate encourages both relaxation and exploration, making it an ideal time to bask in its natural beauty.

March Weather in Saipan: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Saipan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saipan, March typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080818282828282828281
Data source: Temperature data for Saipan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Saipan

In March, Saipan experiences relatively mild precipitation, with a total of 41 mm (1.6 in) over 13 days of rainfall. This marks a decrease from February’s 57 mm (2.2 in), suggesting a transition towards dryer conditions as the region approaches the drier months ahead. With April's rainfall expected to rise to 63 mm (2.5 in) over 16 days, it's clear that March serves as a brief interlude before the more significant downpours typical of the summer months begin. This trend showcases the fluctuating but predictable nature of Saipan's climate, as it gracefully shifts from the cooler, wetter early months to the bustling, rain-heavy summer season.

March Precipitation Trends in Saipan

The chart displays monthly precipitation patterns in Saipan, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Saipan, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec525741635912026540932036514174
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Saipan

In March, Saipan in the Northern Mariana Islands experiences a consistent humidity level of 83%, mirroring the atmospheric conditions of January and April. This trend reflects a noteworthy stability in humidity throughout the early months of the year. As spring unfolds, the island maintains a warm, tropical vibe, while humidity gradually increases from the slightly lower February reading of 81%. As the seasons progress, the humidity tends to climb further, peaking at 84% in May. Overall, March embodies the island's characteristic climate, where warmth and moisture harmoniously intertwine, creating an inviting environment for both residents and visitors alike.

March Average Humidity in Saipan

This chart illustrates the average monthly humidity levels in Saipan, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Saipan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%83%83%84%82%80%80%81%81%82%83%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Saipan

March in Saipan, Northern Mariana Islands, signals a peak in UV intensity, with a striking UV Index of 14, placing it firmly in the extreme exposure category. This elevation follows February's already intense reading of 12, indicating a trend of increasing UV levels as the region transitions from winter to spring. With a burn time of just 10 minutes, it’s crucial for sun-seekers to take precautions against the sun’s rays during this vibrant month. As the UV Index typically remains high throughout the spring and summer, maintaining sun safety becomes essential. For more detailed information, visit Saipan UV Index.

Maximum UV Index Levels in Saipan for March

The chart shows the monthly maximum UV Index (UVI) for Saipan in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Saipan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101214151314141414131110
Data source: Saipan March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

March Sunshine in Saipan

March brings a delightful surge in sunshine to Saipan, boasting 322 hours of radiant daylight. This marks a significant increase from the 264 hours in February, setting the tone for a vibrant spring. As the island transitions from winter gloom to the warmth of spring, April follows closely behind with 316 hours, maintaining the trend of plentiful sunshine. The peak month of May, however, stands out with an impressive 339 hours of sunlight, inviting both residents and visitors to bask in the island's natural beauty. With such abundant sunshine, March serves as a pivotal moment in Saipan's yearly cycle, heralding longer, sunnier days ahead.

Monthly Sunshine Duration in Saipan: March Highlighted

The March sunshine duration represents the total number of hours Saipan experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec230h264h322h316h339h322h303h275h264h273h283h288h
Data source: Saipan March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saipan During March

March is a delightful month in Saipan, Northern Mariana Islands, boasting a striking 77% chance of sunny weather. This marks a significant uptick from the preceding months, particularly February's 59%, and sets the stage for a vibrant spring. As we transition into April, however, the likelihood of sunshine dips dramatically to 47%, revealing a trend where the sunny days of early spring quickly give way to cloudier skies. With March standing out as a peak time for sunshine, it offers a perfect window for outdoor activities and soaking in the beauty of the islands before the warmer months usher in increased cloud cover. Embrace the radiant days this March, as they are a breath of fresh air amid the shifting weather patterns!

Percentage of Sunny Days in March in Saipan

The chart illustrates the percentage of sunny days in Saipan throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Saipan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%59%77%47%49%43%22%14%25%12%59%45%
Data source: Saipan March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saipan in March

As March unfolds in Saipan, Northern Mariana Islands, daylight duration begins to blossom, offering 12 hours of light each day. This increase from the steady 11 hours seen in the preceding months signals the arrival of spring and hints at the longer days ahead. In fact, March marks a pivotal transition, setting the stage for the sunny days of April and May, which also bask in 12 hours of daylight. Following this period, the summer months usher in a peak of 13 hours in June, showcasing the lush and vibrant landscape even longer. As daylight gradually tapers off towards the end of the year, March stands as a refreshing reminder of the balance between light and darkness that shapes the seasons in this tropical paradise.

Average Daylight Hours in Saipan for March

The chart illustrates the variation in daylight duration in Saipan throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 19m11h 37m12h 2m12h 28m12h 49m13h12h 54m12h 36m12h 11m11h 46m11h 24m11h 13m
Data source: Saipan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Saipan

In March, the winds in Saipan, Northern Mariana Islands, gently begin to shift, with an average speed of 6.9 m/s (15 mph), marking a notable decline from the earlier months. This transition springs from January's brisk winds of 7.8 m/s (17 mph) and February's 7.3 m/s (16 mph), luring in the more moderate breezes typical for this time of year. As we move deeper into spring, the winds become softer, tapering down to an average of 4.8 m/s (11 mph) in April. Interestingly, May bounces back with its own invigorating gusts, reaching up to 8.0 m/s (18 mph), suggesting a rhythmic cycle of wind patterns throughout the year. This trend highlights the unique climatic dance that characterizes Saipan's weather, with the winds offering a brief respite before picking up steam again as summer approaches.

Average March Wind Speed in Saipan

The chart displays monthly wind speed patterns in Saipan, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.87.36.9 m/s4.88.04.36.15.95.55.47.47.9
Data source: Saipan March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Saipan Compares to Other Months

Weather in Saipan varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Saipan, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather between March and January in Saipan, we find that the temperatures remain quite similar, with both months averaging around 27°C (80°F) and peaking at 28°C (83°F). However, March experiences slightly lower precipitation, totaling 41 mm (1.6 in) compared to January's 52 mm (2.0 in). Despite this difference, both months have the same number of rainy days, with precipitation occurring on 13 days. The humidity levels are also consistent at 83% for both months, creating a similarly tropical feel. For more detailed information, you can refer to Saipan weather in January.

When comparing the weather in March to that of February, it is evident that both months exhibit similar temperature ranges, with March having a slightly higher minimum temperature of 25°C (77°F) compared to February's 24°C (76°F). Both months share the same maximum temperature of 28°C (83°F) and an average temperature of 27°C (80°F). However, March experiences less rainfall with a total precipitation of 41 mm (1.6 in) over 13 days, while February has higher precipitation at 57 mm (2.2 in) over 17 days. Additionally, the humidity in March is slightly higher at 83% compared to February's 81%. For more detailed insights, you can check Saipan weather in February.

In comparing the weather of March and April, we see some notable similarities and differences. Both months experience a minimum temperature of around 25°C (77°F) and maintain high humidity levels of 83%. However, April tends to be slightly warmer, with an average temperature of 27°C (81°F) and a maximum of 29°C (84°F), compared to March's 27°C (80°F) average and 28°C (83°F) maximum. Additionally, April is wetter than March, receiving 63 mm (2.5 in) of precipitation over 16 days, while March recorded 41 mm (1.6 in) of rainfall over 13 days. For further details on April's weather specifics, visit Saipan weather in April.

In March, temperatures in Saipan range from a minimum of 25°C (77°F) to a maximum of 28°C (83°F), with an average of 27°C (80°F). The month experiences around 41 mm (1.6 in) of precipitation over 13 days, coupled with a humidity level of 83%. In contrast, May sees slightly warmer temperatures, with a minimum of 26°C (78°F), an average of 28°C (82°F), and a maximum of 29°C (85°F). Precipitation increases to 59 mm (2.3 in) over 20 days, and humidity remains high at 84%. For a more detailed look at Saipan's weather in May, visit Saipan weather in May.

In March, the weather is warm with temperatures ranging from a low of 25°C (77°F) to a high of 28°C (83°F), accompanied by an average humidity of 83%. Rainfall is moderate, with approximately 41 mm (1.6 inches) spread over 13 days. In contrast, June sees slightly warmer temperatures, with a minimum of 25°C (78°F), an average of 28°C (83°F), and a maximum reaching 30°C (86°F). However, it is also the wettest month, experiencing around 120 mm (4.7 inches) of precipitation over 21 days, while maintaining a similar humidity level of 82%. For more details, check out Saipan weather in June.

In March, the weather showcases warm temperatures, with a minimum of 25°C (77°F) and an average of 27°C (80°F), peaking at 28°C (83°F). The month experiences some rain, recording 41 mm (1.6 in) of precipitation over 13 days, alongside relatively high humidity at 83%. In contrast, July is slightly warmer, with temperatures ranging from a minimum of 26°C (79°F) to a maximum of 30°C (86°F) and an average of 28°C (82°F). However, July sees a significant increase in rainfall, accumulating 265 mm (10.4 in) over 28 days, while humidity remains a bit lower at 80%. For more details, visit Saipan weather in July.

March and August in Saipan showcase distinct weather characteristics. In March, temperatures range from a minimum of 25°C (77°F) to a maximum of 28°C (83°F), with an average of 27°C (80°F) and relatively mild precipitation of 41 mm (1.6 in) spread over 13 days, complemented by high humidity at 83%. In contrast, August experiences warmer conditions, with temperatures rising to a maximum of 30°C (86°F) and an average of 28°C (82°F). However, it also brings significantly more rainfall, totaling 409 mm (16.1 in) over 29 days, while humidity remains similar at 80%. For a detailed look at August's weather specifics, visit Saipan weather in August.

In comparing the weather of March and September, both months maintain relatively warm temperatures, with March averaging around 27°C (80°F) and September slightly warmer at 28°C (82°F). However, September typically experiences significantly higher precipitation, with an impressive 320 mm (12.6 in) spread over 28 days, compared to March’s 41 mm (1.6 in) over just 13 days. Humidity levels remain similar, with March at 83% and September slightly lower at 81%. For more detailed information, check out Saipan weather in September.

In March, temperatures in Saipan typically range from a minimum of 25°C (77°F) to a maximum of 28°C (83°F), with an average temperature of 27°C (80°F). The month experiences moderate rainfall, with about 41 mm (1.6 in) of precipitation over 13 days and a humidity level of 83%. In contrast, October brings slightly warmer temperatures, with lows around 26°C (78°F) and highs reaching 30°C (85°F). However, October is significantly wetter, receiving 365 mm (14.4 in) of precipitation over 28 days, while humidity remains relatively stable at 81%. For more details on October weather in Saipan, you can visit Saipan weather in October.

When comparing the weather in March and November, both months exhibit warm temperatures, with March having a slightly lower range: a minimum of 25°C (77°F) and a maximum of 28°C (83°F). In contrast, November showcases slightly warmer temperatures, with a minimum of 26°C (78°F) and a maximum of 29°C (85°F). Precipitation levels also differ significantly; March experiences 41 mm (1.6 in) of rain over 13 days, whereas November sees higher rainfall at 141 mm (5.5 in) across 23 days. Humidity remains quite similar, with March at 83% and November at 82%. For more detailed insights, you can check Saipan weather in November.

In March, the weather features temperatures ranging from a minimum of 25°C (77°F) to a maximum of 28°C (83°F), with an average of 27°C (80°F). The month experiences approximately 41 mm (1.6 in) of precipitation spread over 13 days, while maintaining a humidity level of 83%. In contrast, December presents slightly warmer temperatures, with a minimum of 25°C (78°F), an average of 27°C (82°F), and a maximum of 29°C (84°F). However, it also sees increased precipitation, totaling 74 mm (2.9 in) over 19 days, while humidity remains consistent at 83%. For more details on December weather, you can check Saipan weather in December.

Compare Saipan's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Saipan

In March, Saipan experiences a unique blend of warmth and humidity, with temperatures consistently hovering around 27°C (80°F), offering a pleasant escape compared to the cooler months that precede it. While the average humidity level remains high at 83%, the island’s rainfall—averaging around 41 mm (1.6 in) over 13 days—introduces a refreshing contrast to the dry spells of earlier months. This transitional period heralds the onset of spring, making it an ideal time for visitors to explore the island’s vibrant natural beauty. To learn more about Saipan's weather patterns, delve into the detailed information available on Saipan Climate.