Last updated: August 21, 2025
Experience the delightful December climate of Fagatogo, American Samoa, where the atmosphere invites you to embrace the tropical allure. With average temperatures hovering around 27°C (81°F), and highs reaching a comfortable 29°C (84°F), it’s the perfect time for idyllic beach days. Expect cozy evenings with lows around 25°C (76°F). However, be prepared for notable rainfall; December sees 360 mm (14.2 in) of precipitation spread across 29 days. With a humidity level of 82%, the air is pleasantly warm and softly refreshing, creating an enchanting tropical ambiance perfect for adventure or relaxation.
In December, Fagatogo, American Samoa, enjoys pleasantly warm temperatures that are characteristic of its tropical climate. The month starts with a minimum temperature of 25°C (76°F) and an average of 27°C (81°F), peaking at a maximum of 29°C (84°F). This temperature profile mirrors the stable warmth seen throughout the year, with only slight variations. Notably, December maintains the consistent average experienced in preceding months, reflecting an overall trend of mildness that invites both residents and tourists to enjoy the lush surroundings and vibrant culture. As the year winds down, the comfortable conditions make it an ideal time for festive celebrations and outdoor adventures.
In December, Fagatogo, American Samoa, experiences a significant spike in precipitation, with rainfall totaling 360 mm (14.2 in), making it one of the wetter months of the year. The increase in total rainfall is paired with a notable rise in the number of wet days, as December boasts 29 days of recorded precipitation. This trend, coupled with the consistent rainfall patterns observed throughout the year, suggests that December acts as a transition period, wrapping up a wet season marked by peaks in rainfall. As the year closes, the island's lush landscapes are replenished, showcasing the vital importance of this month in sustaining the region’s vibrant ecosystem.
December in Fagatogo, American Samoa, sees humidity levels stabilize at 82%, reflecting a consistent trend observed throughout the year. Beginning at 79% in January, humidity gradually rises, peaking at 85% in October. As the year draws to a close, December marks a slight decrease from November’s 82%, highlighting a seasonal ebb after the peak summer months. The overall pattern showcases a tropical climate characterized by relatively high humidity, with a few notable fluctuations that punctuate the otherwise steady climate, creating a warm, immersive environment typical of this idyllic locale.
In December, the UV Index in Fagatogo, American Samoa remains consistently high at 15, categorizing exposure as extreme with a burn time of just 10 minutes. This continues a trend seen throughout the year, as the UV Index has generally hovered between 15 and 16 from January to March, before gradually dipping to 13 in April and reaching 11 in May. The summer months of June and July show slightly lower UV levels at 9, yet quickly rebound in August, returning to extreme exposure with a notable 12. As the year winds down, the UV levels reflect persistent intensity, emphasizing the need for sun safety measures year-round. For a detailed understanding of UV radiation in the region, check out the Fagatogo UV Index.
UV Risk Categories
December in Fagatogo, American Samoa, offers a delightful continuation of the island's abundant sunshine, with 290 hours of bright, warm sunlight illuminating the landscape. As the year draws to a close, it's interesting to note the overall upward trend in sunshine hours throughout the year, peaking during the spring and fall months. After a modest start in January with just 232 hours, the sunshine hours steadily climb, reaching a high point of 310 hours in March. The summer months maintain a healthy glow, with several months hovering around the 270-300 hour mark, culminating in December's generous offering of light. This consistent warmth not only enhances the beauty of Fagatogo but also fosters a vibrant atmosphere for both locals and visitors during the festive season.
In Fagatogo, American Samoa, December sees a modest 33% chance of sunny weather, showing a slight decrease compared to the preceding months. This trend aligns with the overall pattern experienced throughout the year, where the likelihood of sunshine generally rises from the early months, reaching a peak of 75% in September, before gradually tapering off again. May and July stand out, showcasing the highest chances for sunny days, while December’s statistics suggest a transition towards the wetter months, characteristic of its tropical climate. As the year closes, visitors should prepare for a blend of sun and clouds, balancing optimism for clear skies with the realities of the season.
In Fagatogo, American Samoa, the daylight duration exhibits a captivating rhythm throughout the year. Beginning with a consistent 12 hours of daylight from January to March, the days gradually shorten in April, dipping to 11 hours. This trend of reduced daylight persists through the warm mid-year months until September, when the light returns to a robust 12 hours once more. The pattern stabilizes again in October and continues through November, before maintaining its 12-hour length into December. This cyclical dance not only highlights the persistence of daylight in the latter months but also emphasizes a brief seasonal shift, underscoring the region's unique relationship with the sun.
As December ushers in the festive spirit in Fagatogo, American Samoa, the wind begins to calm after a breezy summer. With an average speed of 5.0 m/s (11 mph), the winds in December mirror those of May, creating a gentle caress perfect for outdoor celebrations. This month's winds come on the heels of a peak in July, which boasts an energetic 7.3 m/s (16 mph), making this tropical paradise a haven for wind enthusiasts. Following the gusty summer months, the transition to December’s milder breeze hints at a seasonal shift, fostering a more serene atmosphere while retaining a hint of the island's vibrant energy. Overall, the trend indicates that while December is not the windiest month, it creates a delightful balance, encouraging residents and visitors alike to embrace the tranquility of the island during this festive season.
Weather in Fagatogo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fagatogo, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase similar warm temperatures, with both months featuring minimums around 25°C (76°F), average highs near 29°C (84-85°F), and consistently high humidity levels. However, December tends to be wetter, with 360 mm (14.2 in) of precipitation across 29 days, compared to January's reduced 301 mm (11.8 in) over 23 days. This slight decrease in rainfall and humidity in January contributes to a marginally drier feel, making it a more pleasant month for outdoor activities. For more details on January weather conditions, check out Fagatogo weather in January.
December and February both feature warm temperatures, with averages hovering around 27°C (81°F). However, February tends to be slightly warmer at times, reaching a maximum of 30°C (86°F) compared to December's 29°C (84°F). Precipitation is notably higher in February, with 464 mm (18.3 in) over 25 days, compared to December's 360 mm (14.2 in) across 29 days. Despite this increase in rainfall, February maintains a relatively low humidity level of 80%, compared to December's 82%. For more detailed information, check out the Fagatogo weather in February.
In December, the weather is characterized by consistently warm temperatures, with a minimum of 25°C (76°F) and a maximum of 29°C (84°F). However, this month experiences substantial precipitation, averaging 360 mm (14.2 in) across 29 days, contributing to a higher humidity level of 82%. Conversely, March sees similar average temperatures, but a notable decrease in rainfall, totaling 195 mm (7.7 in) across 25 days and a slight drop in humidity to 79%. For a more detailed look at March's weather, you can refer to Fagatogo weather in March.
In comparing December and April weather, both months feature a similar temperature range, with minimum temperatures around 25°C (76°F), average temperatures at 27°C (81°F), and maximums reaching 29°C (84°F). However, December is characterized by significantly higher precipitation, totaling 360 mm (14.2 in) over 29 days, compared to April's 228 mm (9.0 in) across 25 days. Additionally, humidity levels are slightly elevated in December at 82%, while April sees a more moderate 79%. For more details on April weather patterns, you can check Fagatogo weather in April.
In comparison to December, May experiences similar temperature patterns, with minimums around 25°C (77°F), averages at 27°C (81°F), and maximums reaching up to 29°C (85°F). However, May is significantly drier, receiving only 210 mm (8.3 in) of precipitation over 25 days, compared to December's 360 mm (14.2 in) over 29 days. Humidity also slightly decreases from December's 82% to 80% in May, making May feel a bit less tropical. For a detailed look at May's conditions, you can check Fagatogo weather in May.
In comparing the weather of December and June, both months feature similar average temperatures, with December min and max temperatures ranging from 25°C to 29°C and June's from 24°C to 29°C. However, December experiences significantly higher precipitation, totaling 360 mm over 29 days, compared to June's 178 mm over 23 days. This results in a wetter climate in December, accompanied by slightly higher humidity levels at 82% compared to June's 80%. For more details on June weather, you can visit Fagatogo weather in June.
In December, temperatures are slightly warmer with a minimum of 25°C (76°F) and a maximum of 29°C (84°F), while July sees a minimum of 24°C (76°F) and a maximum of 28°C (83°F). Both months have an average temperature of around 27°C (80°F), but December experiences significantly higher precipitation, with 360 mm (14.2 in) spread over 29 days compared to July's 152 mm (6.0 in) over 24 days. Humidity levels are relatively similar, with December at 82% and July at 81%. For more detailed information on July weather, visit Fagatogo weather in July.
When comparing the weather in December and August, both months exhibit warm temperatures, but December tends to be slightly warmer overall. December sees a minimum temperature of 25°C (76°F) and an average of 27°C (81°F), contrasted with August’s minimum of 24°C (76°F) and an average of 26°C (80°F). Precipitation levels are significantly higher in December, with 360 mm (14.2 in) over 29 days, compared to August’s 128 mm (5.1 in) over 20 days. Humidity remains fairly consistent, with December at 82% and August at 83%, making both months feel quite tropical. For more details on the weather patterns in August, you can visit Fagatogo weather in August.
December and September both feature warm temperatures, with minimums around 25°C (76°F), average highs near 27°C (81°F), and slightly varying maximums—29°C (84°F) in December compared to 28°C (83°F) in September. However, December is significantly wetter, receiving 360 mm (14.2 in) of precipitation over 29 days, while September sees only 136 mm (5.4 in) over 21 days. Humidity levels are fairly similar, with December at 82% and September at 84%. For more detailed information, you can check out Fagatogo weather in September.
When comparing the weather between December and October, both months exhibit similar temperature patterns, with minimum temperatures around 25°C (76°F) and averages hovering around 27°C (81°F). However, December is marked by significantly higher precipitation, with 360 mm (14.2 in) falling over 29 days, compared to October's 225 mm (8.9 in) over 23 days. This increased rainfall makes December a wetter month, despite both months experiencing nearly identical maximum temperatures of 29°C (84°F). Additionally, December's humidity is slightly lower at 82%, while October reaches 85%. For more detailed insights on October weather, you can visit Fagatogo weather in October.
In comparing the weather of December to November, we observe that both months share similar temperature patterns, with minimums at 25°C (76°F) for December and 24°C (76°F) for November, and average and maximum temperatures remaining steady at 27°C (81°F) and 29°C (84°F), respectively. However, December experiences significantly higher precipitation, totaling 360 mm (14.2 in) over 29 days, compared to November's 266 mm (10.5 in) over 24 days. Despite the similar humidity levels at 82%, the increased rainfall in December suggests a notably wetter climate during that month. For a more detailed look at November's weather, you can visit Fagatogo weather in November.
December in Fagatogo showcases a unique weather profile, marked by warm temperatures that maintain a comfortable warmth throughout the month. While the heat remains inviting, the high humidity and increased precipitation days can make it feel notably more damp compared to other months. With nearly the entire month seeing rainfall, it’s a significant transition from the relatively drier periods earlier in the year, creating a lush and vibrant landscape. As you plan your visit, be prepared for occasional showers, but don’t let that dampen your spirits; this season brings its own charm. For a deeper dive into what to expect throughout the year, check out Fagatogo Climate.