Last updated: August 21, 2025
In January, Pago Pago, American Samoa experiences a warm tropical climate characterized by an average temperature of 27°C (82°F), with maximums reaching 29°C (85°F) and minimums around 25°C (77°F). This month is marked by significant precipitation, accumulating about 301 mm (11.8 in) over approximately 23 rainy days, contributing to the island’s lush landscape. Humidity levels linger around 79%, offering a muggy atmosphere that enhances the tropical feel. Visitors and locals alike can expect a vibrant mix of weather conditions, making January a month of dynamic beauty in this Pacific paradise.
In January, Pago Pago, American Samoa, boasts a warm tropical climate with temperatures ranging from a comfortable 25°C (77°F) at night to an inviting 29°C (85°F) during the day, averaging 27°C (82°F) overall. This month sets the tone for the year, as temperatures remain fairly consistent throughout the following months, with only slight variations. February nudges the maximum up to 30°C (86°F), marking a minor peak as the days gradually lean into warmer territory. As the year progresses, minimum temperatures gently dip to 24°C (76°F) from July through September, while the daytime highs stabilize between 28°C (83°F) and 29°C (85°F). Despite these subtle shifts, the overall climate in Pago Pago remains pleasantly tropical, making it an ideal destination for sun-seekers year-round.
January in Pago Pago, American Samoa is characterized by significant rainfall, receiving 301 mm (11.8 inches) across 23 days of precipitation. While this amount is substantial, it's notably less than February's peak of 464 mm, indicating a subtle but distinct pattern of increased rainfall as the year begins. The month sets the tone for the wet season, capturing the region's tropical essence. Following January, the rainfall gradually declines through the summer months, with July and August experiencing the least precipitation, recorded at 152 mm (6.0 inches) and 128 mm (5.1 inches) respectively. Despite this dip, the consistent occurrence of rain throughout January illustrates the region's dynamic climate, reminding residents and visitors alike of its lush, vibrant environment that thrives on moisture.
In January, Pago Pago experiences a comfortable humidity level of 79%, setting the stage for a month that transitions smoothly into the increasingly humid summer months. As the calendar moves into February and March, humidity rises slightly to 80%, maintaining a consistent tropical feel. From April to June, the moisture in the air remains stable at around 79% to 80%, but the real shift occurs in the latter half of the year. By July, the humidity begins a noticeable climb, reaching 81% and peaking at an impressive 85% in October. This gradual ascent reflects the region's shift to its more humid season, characterized by the sultry conditions typical of the Samoan climate. While November and December see a slight dip, the humidity stays above 80%, ensuring that the warmth and dampness of this tropical paradise are felt year-round.
In January, Pago Pago experiences an exceptionally high UV Index of 16, categorizing it as extreme, which means sun exposure can lead to burn in as little as 10 minutes. This trend of high UV levels sustains through February, remaining at 16, indicating that outdoor activities should be approached with caution. As we move into March, the UV Index slightly decreases to 15 but still falls within the extreme category. The months following show a gradual decline in indices; April through May sees drops to 13 and 11, respectively, although the burn time remains critically low at 10 minutes for most months. From June to July, the index levels off at 9—a very high rating—allowing for a slightly longer burn time of 15 minutes. However, the trend shifts back upwards again in August and into the following months, as indices rise to 12 in August, and then spike back to 15 by October through December. Therefore, throughout the entire year, it’s evident that January remains one of the peak months for UV exposure, highlighting the need for adequate sun protection. For more detailed UV forecasts to stay safe under the sun, visit Pago Pago UV Index.
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In Pago Pago, American Samoa, January welcomes visitors with 232 hours of radiant sunshine, setting a warm tone for the year ahead. As the months progress, the island delights in an upward trend, peaking in March with an impressive 310 hours of sunlight. This sunny streak continues through the year, with October boasting 308 hours, making it one of the brightest months. The transition from January shows a gradual increase, maintaining a vibrant intensity that culminates in the sunnier summer months, with May and August also showcasing abundant light. Even as the year draws to a close, December exhibits a robust 290 hours of sunshine, ensuring Pago Pago remains a sun-kissed paradise. The overall trend underscores a delightful consistency of sunshine that cultivates a tropical allure throughout the year.
In Pago Pago, American Samoa, January presents a 31% chance of sunny weather, setting the tone for a month that feels a bit more overcast compared to the rest of the year. This is a notable dip, as the likelihood of sunshine increases significantly in the following months, peaking in September with a robust 75% chance. As the year progresses, February and March experience a slight decline in sunny days, but by April the trend begins to rebound, showcasing a gradual climb towards the sunnier months of May and July. While January may not be the sunniest month, its weather patterns hint at a promising shift as the region moves towards the vibrant summer months, offering glimpses of the brilliant sunshine that awaits.
In Pago Pago, American Samoa, January welcomes visitors with a generous 12 hours of daylight, a trend that continues throughout the following two months, making it an ideal time for exploration and adventure. As spring approaches, daylight gradually reduces to 11 hours from April through August, creating a cozy atmosphere perfect for enjoying the vibrant local culture and stunning natural landscapes. Interestingly, daylight begins to extend again in September, returning to 12 hours as the year draws to a close. This rhythmic shift between longer and shorter days enhances the unique charm of Pago Pago, allowing residents and adventurers alike to revel in the island's beauty year-round.
In January, Pago Pago experiences an average wind speed of 5.3 m/s (12 mph), setting the stage for a breezy start to the year. As the months progress, winds gradually reduce, reaching their lowest average of 3.9 m/s (9 mph) in April. However, this tranquil period is short-lived, as the winds pick up again, culminating in a notable peak of 7.3 m/s (16 mph) in July. Following July, the winds modestly recede but maintain a robust presence throughout the latter half of the year, fluctuating between 5.0 m/s (11 mph) and 6.4 m/s (14 mph). This seasonal dance of wind in Pago Pago not only brings a refreshing climate but also invites a sense of adventure in a land where breezes play a pivotal role in daily life.
Weather in Pago Pago varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Pago Pago, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February weather in Pago Pago show some interesting similarities and differences. Both months have a warm climate, with January's average temperature slightly higher at 27°C (82°F) compared to February's 27°C (81°F). However, February sees a marginally higher maximum temperature, reaching 30°C (86°F), while January peaks at 29°C (85°F). Precipitation is notably higher in February, with 464 mm (18.3 in) of rainfall over 25 days, compared to January's 301 mm (11.8 in) across 23 days. Humidity remains fairly consistent, with February recording 80% compared to January's 79%. For a more detailed look at February weather, you can visit Pago Pago weather in February.
In comparing the weather between January and March, 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 more precipitation, totaling 301 mm (11.8 in) over 23 days, compared to March, which sees only 195 mm (7.7 in) over 25 days. This means January tends to be wetter and perhaps more humid, despite both months maintaining consistent humidity levels of 79%. For a more detailed look at March weather in this region, you can visit Pago Pago weather in March.
In January, the weather is characterized by slightly higher precipitation, totaling 301 mm over 23 days, while April sees a reduction in rainfall to 228 mm across 25 days. Despite this difference in precipitation, both months maintain similar temperature ranges, with minimums around 25°C (77°F) and maximums reaching up to 29°C (85°F). Humidity remains consistent at 79% for both months, contributing to a tropical atmosphere. For more details about April’s weather, you can check Pago Pago weather in April.
In both January and May, the temperatures remain strikingly consistent, with minimum, average, and maximum figures around 25°C (77°F), 27°C (81°F), and 29°C (85°F) respectively. However, January experiences significantly higher precipitation, totaling 301 mm (11.8 in) over 23 days, compared to May's 210 mm (8.3 in) across 25 days. The humidity levels are also quite similar, with January at 79% and May slightly higher at 80%. For a more detailed look at weather conditions specific to May, you can check Pago Pago weather in May.
In January, the weather is slightly warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), averaging around 27°C (82°F). However, it also experiences considerably more rainfall, with 301 mm (11.8 in) of precipitation over 23 days and humidity levels at 79%. In contrast, June offers a similar temperature profile, but with a bit less rain—178 mm (7.0 in), still spread over 23 days, and a slightly higher humidity at 80%. Overall, while both months enjoy warm temperatures, January is notably wetter compared to the drier conditions of June. For more details on June weather, visit Pago Pago weather in June.
In comparing the weather of January and July, both months display similar average temperatures, with January slightly warmer at an average of 27°C (82°F) compared to July's 27°C (80°F). January experiences higher maximum temperatures, reaching up to 29°C (85°F), while July peaks at 28°C (83°F). Precipitation is more abundant in January, with 301 mm (11.8 in) falling over 23 days, compared to July's 152 mm (6.0 in) across 24 days. Humidity levels remain relatively high in both months, with January at 79% and July slightly higher at 81%. For a detailed look at July weather, you can check this link: Pago Pago weather in July.
In comparing the weather between January and August, January tends to be slightly warmer with an average temperature of 27°C (82°F), while August averages a bit cooler at 26°C (80°F). January also experiences significantly higher precipitation, totaling 301 mm (11.8 in) over 23 days, compared to August's 128 mm (5.1 in) across 20 days. Additionally, humidity levels are a bit higher in August at 83%, compared to January's 79%. For more specific details on August weather, you can check the link: Pago Pago weather in August.
In comparing the weather of January and September, we can see some notable differences despite similar temperature ranges. January experiences slightly higher maximum temperatures, peaking at 29°C (85°F), while September's maximum reaches only 28°C (83°F). However, both months maintain a comparable average temperature, around 27°C (82°F). Precipitation levels are significantly higher in January, with 301 mm (11.8 in) compared to September's 136 mm (5.4 in), leading to slightly fewer rainy days in September at 21, versus January's 23. The humidity is also slightly higher in September at 84%, compared to 79% in January. For more detailed information, you can check Pago Pago weather in September.
In January, the weather exhibits consistently warm temperatures, with minimums around 25°C (77°F) and highs reaching up to 29°C (85°F). Humidity levels stand at a moist 79%, and the month sees substantial rainfall, totaling 301 mm (11.8 in), spread over 23 days. In contrast, October maintains similar temperature ranges, with a minimum of 25°C (76°F) and a maximum of 29°C (84°F), making it equally pleasant. However, October experiences less precipitation, with 225 mm (8.9 in) of rain, also over 23 days, and the humidity slightly increases to 85%. For more detailed insights into October’s climate, you can visit Pago Pago weather in October.
In comparing the weather between January and November, both months feature similar average temperatures, with January experiencing a minimum of 25°C (77°F) and a maximum of 29°C (85°F), while November has a slightly lower minimum of 24°C (76°F) and a maximum of 29°C (84°F). January is notably wetter, with 301 mm (11.8 in) of precipitation over 23 days, compared to November's 266 mm (10.5 in) recorded over 24 days. Humidity levels are slightly higher in November at 82%, compared to January’s 79%. For a detailed look at the weather in November, you can refer to Pago Pago weather in November.
In comparing the weather between January and December, both months exhibit warm temperatures, with averages around 27°C (81°F to 82°F). However, December experiences slightly higher rainfall, with a total of 360 mm (14.2 inches) over 29 days, compared to January's 301 mm (11.8 inches) over 23 days. Additionally, December's humidity is marginally higher at 82%, compared to January's 79%. For more detailed information, check out Pago Pago weather in December.
As January unfolds in Pago Pago, the weather showcases a blend of warmth and wetness that sets it apart from other months. With average temperatures hovering around 27°C, this month is characterized by high humidity levels, contributing to a tropical feel that keeps visitors feeling comfortably warm. However, January is also marked by significant rainfall, averaging 301 mm over 23 days, which can bring refreshing showers amid the balmy climate. This blend of heat and precipitation distinguishes January from drier months, making it a unique time to experience the lush beauty of American Samoa. For a deeper dive into local climate patterns, visit Pago Pago Climate.