May Weather in Fagatogo, American Samoa

Last updated: August 21, 2025

May in Fagatogo, American Samoa is characterized by warm temperatures and high humidity, creating a tropical atmosphere that invites both adventure and relaxation. With maximum temperatures reaching 29°C (85°F) and an average of 27°C (81°F), the weather is predominantly warm, perfect for outdoor activities. However, expect moisture-laden days, as the island receives an impressive 210 mm (8.3 in) of rain over 25 days throughout the month, contributing to the lush landscapes. The humidity levels hover around 80%, enhancing the tropical feel, making May a quintessential time to experience the vibrant beauty of this Pacific gem.

May Temperature in Fagatogo

In May, Fagatogo, American Samoa, continues to bask in a delightful tropical climate, with temperatures maintaining a pleasant range. The month witnesses minimum temperatures consistently hovering around 25°C (77°F), while average highs reach about 29°C (85°F). This consistency provides a comfortable backdrop for visitors and locals alike. Interestingly, the average temperature dips slightly to 27°C (81°F) compared to the previous months, reflecting a subtle cooling trend as the region transitions into the wetter season. Overall, May encapsulates the typical warmth of the South Pacific, inviting exploration and relaxation in this picturesque tropical paradise.

May Weather in Fagatogo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Fagatogo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fagatogo, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec818181818181808080808081
Data source: Temperature data for Fagatogo 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.

May Precipitation in Fagatogo

May in Fagatogo, American Samoa, continues the trend of notable precipitation, with 210 mm (about 8.3 inches) of rainfall recorded over 25 days. While this amount is a decrease from the previous month's 228 mm, it reflects the typical wetness of this time of year, with frequent showers maintaining the lush landscape. Interestingly, May's consistent rainfall foreshadows the drier months that follow, such as June, which sees a drop to 178 mm (7.0 in) of rain. This pattern illustrates the island's characteristic wet season, showcasing how spring transitions gradually into the drier half of the year. Overall, May serves as a reminder of the vibrant ecosystem sustained by these regular rains, as well as the island's climate variability throughout the year.

May Precipitation Trends in Fagatogo

The chart displays monthly precipitation patterns in Fagatogo, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Fagatogo, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec301464195228210178152129136225266360
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Fagatogo

In May, Fagatogo, American Samoa, experiences a notable uptick in humidity, hovering around 80%, which aligns with the trend of the preceding months. This marks a continuation of the island’s characteristically lush and tropical climate as it transitions towards the heart of the wet season. Following the steady humidity levels of 79% from January to April, May signals a subtle increase that paves the way for the peak levels observed later in the year. The climb continues into June and July, ultimately reaching a peak of 85% in October, highlighting a gradual but consistent rise in moisture. As the humidity levels creep upwards, Fagatogo begins to embrace the vibrant, verdant life that thrives in its warm, humid embrace.

May Average Humidity in Fagatogo

This chart illustrates the average monthly humidity levels in Fagatogo, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Fagatogo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%80%79%79%80%80%81%83%84%85%82%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Fagatogo

In May, Fagatogo experiences a UV Index of 11, classifying it as an extreme exposure category with a burn time of just 10 minutes. This reflects a slight decrease from the peak indices seen earlier in the year, where values were consistently at 16 in January and February, and 15 in March. As the year progresses towards June, the UV Index begins to shift towards very high levels, hinting at a warming trend. However, with consistently extreme values throughout the early months, it's clear that sun safety remains paramount year-round. For more insights on UV exposure levels throughout the year, check out the detailed Fagatogo UV Index.

Maximum UV Index Levels in Fagatogo for May

The chart shows the monthly maximum UV Index (UVI) for Fagatogo in May, 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 May, the maximum UV index in Fagatogo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616151311991214151515
Data source: Fagatogo May 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.

May Sunshine in Fagatogo

In Fagatogo, American Samoa, the month of May shines brightly with an impressive 281 hours of sunlight, solidifying its place in a trend of increasing daylight as the year progresses. Following a vibrant March with 310 hours, May reflects the tail end of a sunny spring, leading seamlessly into the warmer summer months. The sun-drenched days begin with a noteworthy 272 hours in April, showcasing a steady pattern of abundant sunshine that continues into June with 264 hours. This gradual yet consistent increase in daylight through the earlier months not only enriches the landscape but also enhances outdoor activities, making May a particularly delightful time to enjoy the beauty of island life.

Monthly Sunshine Duration in Fagatogo: May Highlighted

The May sunshine duration represents the total number of hours Fagatogo experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec232h224h310h272h281h264h271h293h301h308h299h290h
Data source: Fagatogo May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fagatogo During May

In Fagatogo, American Samoa, May emerges as a notable month for sunny weather, boasting a 58% chance of sunshine. This represents a significant increase from the modest figures in the preceding months—only 42% in April and a mere 31% in January. As the year progresses, we see a clear trend: the likelihood of clear skies steadily rises, peaking in July at 64% before tapering off slightly. May's favorable weather positions it as a delightful time for outdoor activities, setting the stage for the sun-soaked days that follow in the vibrant months ahead.

Percentage of Sunny Days in May in Fagatogo

The chart illustrates the percentage of sunny days in Fagatogo throughout the year, with May 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 Fagatogo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%23%26%42%58%47%64%50%75%47%43%34%
Data source: Fagatogo May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fagatogo in May

In Fagatogo, American Samoa, the daylight duration exhibits a fascinating rhythm throughout the year. From January to March, residents enjoy a consistent 12 hours of daylight, basking in ample sunlight that supports vibrant outdoor activities. However, as April arrives, daylight begins to dip to 11 hours, a trend that continues through the following months of May, June, July, and August, suggesting a brief period of twilight. As the seasons shift again in September, daylight extends back to 12 hours, reviving the bright days that residents cherish. This pattern of elongating and shortening daylight mirrors the natural cycle, reinforcing the island's connection to the rhythms of nature.

Average Daylight Hours in Fagatogo for May

The chart illustrates the variation in daylight duration in Fagatogo throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 50m12h 32m12h 8m11h 44m11h 25m11h 16m11h 21m11h 38m12h 1m12h 25m12h 46m12h 56m
Data source: Fagatogo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Fagatogo

In May, Fagatogo, American Samoa, experiences a refreshing average wind speed of 5.0 m/s (11 mph), marking a slight uptick from the calmer conditions of April. This mild yet invigorating breeze heralds the transition to the more blustery months ahead, as wind speeds gradually increase towards the peak summer months of July and August. Throughout the year, there is a noticeable progression in wind intensity, with January starting off at a gentle 5.3 m/s (12 mph) before dipping to its lowest in April. As the season transitions, May acts as a bridge, connecting the tranquility of early spring to the lively summer gales, showcasing the dynamic nature of Fagatogo’s wind patterns.

Average May Wind Speed in Fagatogo

The chart displays monthly wind speed patterns in Fagatogo, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.84.43.95.0 m/s5.67.36.46.06.44.95.0
Data source: Fagatogo May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Fagatogo Compares to Other Months

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

In general, both January and May exhibit similar temperature ranges, with minimums around 25°C (77°F), averages of approximately 27°C (81°F), and maximums peaking at 29°C (85°F). However, January tends to be slightly wetter, receiving about 301 mm (11.8 in) of precipitation over 23 days, compared to May's 210 mm (8.3 in) spread across 25 days. The humidity levels are also comparable, with January at 79% and May at 80%. For a more detailed look at the January weather in this region, you can check out Fagatogo weather in January.

When comparing the weather in May and February, both months have similar average temperatures, hovering around 27°C (81°F). However, May tends to be slightly warmer with a maximum temperature of 29°C (85°F) compared to February's 30°C (86°F). Precipitation levels reveal a significant difference, as February experiences much heavier rainfall at 464 mm (18.3 in), nearly double May’s 210 mm (8.3 in), despite both months having precipitation on 25 days. The humidity remains constant at 80% for both months, providing a similar feel in terms of sultriness. For a detailed look at February's weather, you can visit Fagatogo weather in February.

In both March and May, temperatures remain consistently warm, with minimums of 25°C (77°F), average highs around 27°C (81°F to 82°F), and maximum temperatures peaking at 29°C (85°F). However, May experiences slightly more precipitation, averaging 210 mm (8.3 in) over 25 days, compared to March's 195 mm (7.7 in) for the same number of days. The humidity levels are quite comparable as well, with May at 80% and March at 79%. For a detailed look at March weather, you can visit Fagatogo weather in March.

In comparing the weather between April and May, both months display remarkably similar temperature patterns, maintaining a consistent range with minimums at 25°C (77°F), averages around 27°C (81°F), and maximums reaching 29°C (85°F). However, April sees slightly higher precipitation levels, accumulating 228 mm (9.0 in) over 25 days, compared to May's 210 mm (8.3 in) over the same number of days. Additionally, May has a marginally higher humidity rate at 80%, while April sits at 79%. For those interested in a more detailed overview, you can check Fagatogo weather in April.

May and June experience similar temperatures, with both months averaging around 27°C (81°F) and reaching a maximum of 29°C (85°F). However, May is characterized by a higher level of precipitation, totaling 210 mm (8.3 in) over 25 days, compared to June's 178 mm (7.0 in) across 23 days. Humidity remains consistent at 80% for both months, contributing to a warm and tropical climate. For more detailed weather information, you can check Fagatogo weather in June.

In comparing the weather between May and July, both months exhibit similar temperature patterns, with average temperatures hovering around 27°C (81°F). May tends to be slightly warmer, with a maximum temperature of 29°C (85°F), compared to July's peak of 28°C (83°F). Rainfall is more prominent in May, totaling 210 mm (8.3 in) over 25 days, whereas July experiences less precipitation at 152 mm (6.0 in) over 24 days. Humidity remains fairly consistent, with May at 80% and July slightly higher at 81%. For a detailed look at July weather conditions, you can check Fagatogo weather in July.

When comparing the weather in May and August, May tends to be slightly warmer, with average temperatures reaching 27°C (81°F) compared to August's average of 26°C (80°F). Both months experience high humidity, but August is marginally more humid at 83% compared to May's 80%. Precipitation is notable in both months, yet May is significantly wetter, receiving 210 mm (8.3 in) over 25 days, while August sees only 128 mm (5.1 in) over 20 days. For more detailed information, you can check Fagatogo weather in August.

In May, temperatures are consistently warm, with minimums around 25°C (77°F) and maximums reaching up to 29°C (85°F), complemented by high humidity levels of 80%. However, this month also sees significant rainfall, with a total precipitation of 210 mm (8.3 in) spread over 25 days. In contrast, September exhibits similarly warm temperatures, with a similar range of 25°C (77°F) for minimums and slightly lower maximums at 28°C (83°F). Precipitation is noticeably reduced in September, totaling 136 mm (5.4 in) across 21 days, while humidity climbs marginally to 84%. For more details on the September climate, check out Fagatogo weather in September.

In comparing the weather between May and October, both months feature similar temperature ranges, with minimum temperatures around 25°C (77°F), average temperatures of 27°C (81°F), and maximum temperatures reaching 29°C (85°F) in May and 29°C (84°F) in October. However, October experiences slightly higher precipitation, totaling 225 mm (8.9 in) over 23 days, compared to May's 210 mm (8.3 in) over 25 days. Additionally, October tends to be more humid, with humidity levels at 85%, compared to 80% in May. For a detailed look at October weather specifics, you can check this link: Fagatogo weather in October.

In comparing the weather of May and November, both months exhibit similar average temperatures, hovering around 27°C (81°F), with maximums reaching close to 29°C (85°F). However, November tends to be slightly wetter, receiving 266 mm (10.5 in) of precipitation over 24 days, in contrast to May's 210 mm (8.3 in) across 25 days. The humidity is also marginally higher in November at 82%, compared to 80% in May. For more specific details about November weather, you can refer to Fagatogo weather in November.

In May, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). The month sees considerable precipitation, totaling 210 mm (8.3 in) over 25 days, and humidity levels hover around 80%.

In contrast, December presents a similarly warm climate with the same temperature range, but it experiences significantly higher rainfall, accumulating 360 mm (14.2 in) across 29 days, and slightly increased humidity at 82%. For more specific details, you can refer to Fagatogo weather in December.

Overall, while May and December share similar temperature ranges, December is notably wetter and more humid.

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Conclusion: What to Expect From May Weather in Fagatogo

In May, Fagatogo experiences warm temperatures that are typical for this time of year, with averages hovering around 27°C (81°F). However, what sets this month apart is the notable increase in precipitation, with rain falling on nearly every day and totaling about 210 mm (8.3 in). This higher humidity, at around 80%, creates a lush, tropical atmosphere, making May distinctively wetter compared to the drier months that precede and follow it. For a deeper understanding of what to expect throughout the year, visit Fagatogo Climate.