January Weather in Fagatogo, American Samoa

Last updated: August 21, 2025

Experience the tropical allure of Fagatogo, American Samoa in January, where the weather is characterized by mild temperatures that range from a pleasant 25°C (77°F) at night to a warm 29°C (85°F) during the day. The month boasts an average temperature of 27°C (82°F), creating ideal conditions for outdoor adventures. However, visitors should be prepared for substantial rainfall, with 301 mm (11.8 in) of precipitation spread across 23 rainy days, contributing to the lush, green landscapes. Humidity levels hover at around 79%, adding to the enchanting, tropical ambiance. Whether you’re relaxing on the beach or exploring the rich culture, January in Fagatogo offers a unique blend of warmth and rejuvenating rain.

January Temperature in Fagatogo

In Fagatogo, American Samoa, January welcomes visitors with warm tropical temperatures, featuring a comfortable minimum of 25°C (77°F), an inviting average of 27°C (82°F), and highs reaching up to 29°C (85°F). This consistent warmth sets the tone for early winter, mirroring similar patterns seen throughout the following months. As February rolls in, temperatures remain steady, only dipping slightly in the minimums to 24°C (76°F) while the average and maximums maintain that delightful warmth. The trend continues into March and April, where temperatures hold steady, showcasing the region’s inviting climate. Throughout the year, temperatures fluctuate minimally, highlighting Fagatogo's stable and inviting warmth that makes it a perfect getaway destination for those seeking a sun-soaked escape.

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

The chart illustrates January 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, January 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.

January Precipitation in Fagatogo

January in Fagatogo, American Samoa, ushers in a notable start to the year with 301 mm (11.8 in) of precipitation, falling over 23 days. This early-month rainfall sets the stage for a wetter February, which experiences a significant spike to 464 mm (18.3 in), marking it as the wettest month of the year. As the seasons progress, precipitation gradually tapers off, with March and April registering 195 mm (7.7 in) and 228 mm (9.0 in), respectively. Interestingly, after February, the trend reveals a consistent decrease in both the amount of rainfall and the number of rainy days leading into the drier months of July and August. These patterns highlight the tropical climate's variability, showing how Fagatogo transitions from the heavy, moisture-laden start of the year to a relatively drier mid-year period. As the year unfolds, community members experience this dynamic interplay between rain and sunshine, shaping both the environment and daily life on the island.

January Precipitation Trends in Fagatogo

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

January in Fagatogo, American Samoa, greets residents and visitors with a comfortable humidity level of 79%. This sets the tone for a month where the air feels refreshingly tropical, even as it hints at the steadily increasing trend that follows. Through the months, humidity gradually crests, peaking at an itchy 85% in October, thereby creating a fully humid atmosphere that characterizes the region’s climate. This slow ascent in humidity levels showcases the typical tropical rhythm of American Samoa, suggesting that as the year progresses, one can expect a more palpable mugginess. The slight fluctuations around January's figures, with February at 80% and subsequent months hovering between 79% to 84%, highlight a relatively stable yet consistent humidity that enhances Fagatogo's lush environment.

January Average Humidity in Fagatogo

This chart illustrates the average monthly humidity levels in Fagatogo, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Fagatogo

In January, Fagatogo experiences an exceptionally high UV Index of 16, indicating an extreme exposure category with a burn time of just 10 minutes. This pattern persists into February, maintaining the same index and risk level. As the seasons transition, the UV Index begins to dip slightly from March to May, yet it still remains in the extreme category, reflecting a unique climate that demands careful sun protection. Interestingly, June and July introduce a notable shift to a very high UV Index of 9, allowing for slightly longer exposure times before burning occurs. As summer fades into autumn, the UV Index climbs back up to 12 in August and returns to extreme levels through November and December. Thus, the trend shows consistently high UV levels year-round, highlighting the importance of sun safety in this tropical paradise. For more detailed information, visit Fagatogo UV Index.

Maximum UV Index Levels in Fagatogo for January

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

January Sunshine in Fagatogo

In Fagatogo, American Samoa, January ushers in a vibrant start to the year with an impressive 232 hours of sunshine. As the months progress, sunshine levels increase, peaking in March with a dazzling 310 hours, before gradually tapering off towards the end of the year. Notably, April and May maintain robust sunshine hours, offering 272 and 281 hours respectively, while the following months of June and July offer slightly less, yet still abundant sunshine with 264 and 271 hours. The sunshine returns to its zenith in the autumn months, with October boasting 308 hours and November close behind at 299 hours. This pattern underscores a rich tapestry of light across the year, making Fagatogo a radiant haven for sun-seekers.

Monthly Sunshine Duration in Fagatogo: January Highlighted

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

Chance of Sun in Fagatogo During January

In Fagatogo, American Samoa, the likelihood of experiencing sunny weather in January is relatively modest at 31%, hinting at a transitional phase as the island moves from the drier months of December to the more sun-soaked days of late summer. As the year progresses, the chance of sun shows a distinctive upward trend, climbing to 58% by May and peaking at a promising 75% in September. This pattern not only underscores the region's tropical climate but also sets the tone for a gradual increase in sunny days, making the latter half of the year particularly enticing for sun-seekers.

Percentage of Sunny Days in January in Fagatogo

The chart illustrates the percentage of sunny days in Fagatogo throughout the year, with January 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 January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fagatogo in January

In Fagatogo, American Samoa, January ushers in a consistent 12 hours of daylight, a trend that continues through February and March, creating a bright and balanced beginning to the year. As spring approaches, daylight begins to wane slightly, with April through August experiencing a stable period of 11 hours, highlighting the tropical climate’s subtle seasonal shift. By September, the length of daylight returns to 12 hours, maintaining this duration through November before rounding out the year in December. This rhythmic cycle of daylight showcases the region’s unique position along the equator, emphasizing the reliability and beauty of its natural light throughout the year.

Average Daylight Hours in Fagatogo for January

The chart illustrates the variation in daylight duration in Fagatogo throughout the year, with January 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.

January Winds in Fagatogo

In Fagatogo, American Samoa, the January wind dances gently with an average speed of 5.3 m/s (12 mph), evoking a refreshing start to the year. As the months roll on, the winds slightly decline in February and March, reaching their lowest point in April at 3.9 m/s (9 mph). However, come June, the breezes pick up, culminating in a peak during July with a robust 7.3 m/s (16 mph), marking the height of the wind season. Following this burst of energy, the winds stabilize but remain notable, hovering between 6.0 to 6.4 m/s (13 to 14 mph) from August through October. The year rounds off with lighter winds in November and December, returning to a calming average of 5.0 m/s (11 mph). Overall, while January initiates the year with moderate breeziness, the evolving wind patterns hint at the tropical vigor that characterizes this beautiful island paradise.

Average January Wind Speed in Fagatogo

The chart displays monthly wind speed patterns in Fagatogo, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.3 m/s4.84.43.95.05.67.36.46.06.44.95.0
Data source: Fagatogo January wind data, generated using information from the Copernicus Climate Change Service.

How January 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 January’s weather to other months in Fagatogo, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February exhibit similar warm temperatures, with January having a minimum of 25°C (77°F) and an average of 27°C (82°F), while February slightly increases to a minimum of 24°C (76°F) and maintains the same average. However, February sees a rise in maximum temperatures, reaching up to 30°C (86°F), compared to January's peak of 29°C (85°F). Precipitation levels also differ significantly; January brings 301 mm (11.8 in) over 23 days, whereas February experiences an increase to 464 mm (18.3 in) across 25 days, making February notably wetter. Humidity remains relatively constant, with January at 79% and February slightly higher at 80%. For a more detailed look at February weather, you can check Fagatogo weather in February.

In comparing the weather of January and March, we see that both months share similar temperature ranges, with minimums at 25°C (77°F), averages at 27°C (82°F), and maximums at 29°C (85°F). However, January experiences significantly higher precipitation, totaling 301 mm (11.8 in) over 23 days, while March sees less rainfall at 195 mm (7.7 in) over 25 days. Despite the minor differences in precipitation days, humidity remains constant at 79% for both months. For a more detailed look at March weather, you can visit Fagatogo weather in March.

In both January and April, the temperatures remain consistently warm, with minimums hovering around 25°C (77°F), average temperatures at 27°C (82°F), and maximums reaching up to 29°C (85°F). However, January experiences significantly higher precipitation, totaling 301 mm (11.8 in) over 23 days, compared to April's 228 mm (9.0 in) across 25 days. Despite the slight decrease in rainfall, the humidity levels remain stable at 79% in both months, contributing to a tropical feel. For a detailed look at how the weather unfolds in April, you can check out Fagatogo weather in April.

In January, the weather features consistent temperatures with a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 29°C (85°F). However, this month is marked by higher precipitation, totaling 301 mm (11.8 in) over 23 days, coupled with a humidity level of 79%. In contrast, May shares similar temperatures, maintaining a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F), but experiences less rainfall at 210 mm (8.3 in) over 25 days, with slightly increased humidity at 80%. For more specifics on May weather, you can visit Fagatogo weather in May.

In January, the weather is characterized by slightly higher temperatures, with minimums around 25°C (77°F) and maximums reaching up to 29°C (85°F). However, this month also sees significant precipitation, averaging 301 mm (11.8 in) over 23 days, paired with a humidity level of 79%. In contrast, June exhibits similar temperature averages, with minimums at 24°C (76°F) and maximums remaining steady at 29°C (85°F). Notably, June experiences considerably less rainfall, totaling 178 mm (7.0 in) over the same number of days, while maintaining a comparable humidity level of 80%. For more detailed weather insights, you can check Fagatogo weather in June.

In January, the weather is generally warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F) and an average of 27°C (82°F). This month also experiences significantly more rainfall, totaling 301 mm (11.8 in) spread across 23 days, resulting in a humidity level of 79%. In contrast, July offers slightly cooler conditions, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 28°C (83°F), maintaining the same average of 27°C (80°F). Precipitation in July is much lower at 152 mm (6.0 in) over 24 days, contributing to a marginally higher humidity of 81%. For more detailed insights on July weather, you can visit Fagatogo weather in July.

The weather in January and August showcases distinct characteristics. In January, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), with an average of 27°C (82°F). This month also experiences significant rainfall, with 301 mm (11.8 in) of precipitation over 23 days, and a humidity level of 79%. In contrast, August has slightly lower temperatures, with a minimum of 24°C (76°F), an average of 26°C (80°F), and a maximum of 28°C (83°F). The precipitation during this month is notably reduced to 128 mm (5.1 in) across 20 days, while humidity rises slightly to 83%. For more details on the weather in August, check out Fagatogo weather in August.

In comparing the weather in January and September, both months exhibit similar temperature ranges, with January slightly warmer, peaking at a maximum of 29°C (85°F) compared to September’s 28°C (83°F). However, January features a significantly higher amount of precipitation, receiving 301 mm (11.8 in) over 23 days, while September sees only 136 mm (5.4 in) across 21 days. Humidity levels are also comparable, with January at 79% and September slightly higher at 84%, contributing to a consistently tropical atmosphere throughout the year. For a detailed look at September conditions, check out Fagatogo weather in September.

January and October share similar temperature ranges, with minimums around 25°C (77°F), averages near 27°C (82°F), and maximums reaching up to 29°C (85°F) and 29°C (84°F), respectively. However, January experiences significantly higher rainfall, with 301 mm (11.8 in) of precipitation over 23 days, compared to October's 225 mm (8.9 in) over the same number of days. The humidity in October is slightly higher at 85%, compared to January's 79%. Overall, while both months maintain warm temperatures, January is wetter, while October tends to be drier. For more detailed information, check out Fagatogo weather in October.

When comparing the weather in January and November, both months exhibit similar temperature ranges, with January offering a slightly warmer average of 27°C (82°F) compared to November's 27°C (81°F). However, January is characterized by higher precipitation levels, receiving 301 mm (11.8 in) over 23 days, while November experiences 266 mm (10.5 in) across 24 days. Humidity levels also differ slightly, with January at 79% and November slightly higher at 82%. For a detailed view of weather patterns specific to November, you can check out Fagatogo weather in November.

When comparing the weather of January and December, both months exhibit similar temperature ranges, with January showing a minimum temperature of 25°C (77°F) and an average of 27°C (82°F), compared to December's slightly lower minimum and average temperatures of 25°C (76°F) and 27°C (81°F) respectively. However, December tends to be wetter, recording 360 mm (14.2 in) of precipitation over 29 days, which is significantly higher than January's 301 mm (11.8 in) across 23 days. Additionally, humidity levels are slightly elevated in December at 82%, compared to January's 79%. For more detailed insights on December weather specifically, you can visit Fagatogo weather in December.

Compare Fagatogo's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Fagatogo

As January unfolds in Fagatogo, the weather reflects a unique blend of warmth and moisture. With an average temperature that hovers around a cozy 27°C (82°F), it stands out among the other months, offering visitors a sweet balance of heat tempered by the island's consistent humidity, which reaches 79%. This month is also characterized by frequent rainfall, with precipitation recorded on 23 days, contributing to a total of 301 mm (11.8 inches). While the temperatures remain pleasant, the robust rainfalls set January apart, creating a lush and vibrant landscape that contrasts with the drier conditions of other months. For those interested in understanding Fagatogo's diverse climate throughout the year, visit Fagatogo Climate.