Last updated: January 18, 2025
Tuamasaga, Samoa experiences a tropical rainforest climate, classified under the Köppen-Geiger system as Af. This region is characterized by relatively stable temperatures throughout the year, with a minimum of 23°C (75°F) in July and an average of 27°C (80°F). The warmth peaks in January, reaching a maximum of 30°C (86°F). The humid conditions combined with consistent warmth create an environment that supports lush vegetation and a diverse array of ecosystems, making Tuamasaga a vibrant example of tropical climate dynamics.
In Tuamasaga, Samoa, temperature patterns reveal a consistent climate characterized by minimal fluctuations throughout the year. From January to May, temperatures maintain a warm range, with minimums around 24°C (75°F) and average highs reaching 30°C (86°F) in January. As the year progresses into the dry season, the temperatures slightly dip, particularly noticeable in July when the average falls to 26°C (79°F), accompanied by the coolest minimum of 23°C (75°F). This trend of reduced temperatures continues through August and September before gradually rising again in November and December. Overall, Tuamasaga exhibits a stable tropical warmth, interrupted only by marginal seasonal variations that highlight its idyllic climate.
In Apia and Vailima, the climate remains consistent, with both locations experiencing a minimum temperature of 23°C (75°F) in July and a maximum of 30°C (86°F) in January. For more detailed monthly temperature information, you can visit monthly temperatures in Apia and monthly temperatures in Vailima.
Tuamasaga, Samoa experiences a distinct precipitation pattern characterized by heavy rainfall concentrated in the first half of the year. February stands out as the wettest month, recording 482 mm (19.0 in) of rainfall over 27 days, contributing to significant water accumulation. Following closely, January also exhibits high precipitation with 335 mm (13.2 in), while the months from March to May show reduced yet consistent rainfall, ranging from 212 mm (8.3 in) to 219 mm (8.6 in). This period showcases the region's tropical climate, where moisture-laden winds contribute to frequent, heavy downpours.
As the year progresses, a gradual decrease in precipitation occurs from June to August, with June receiving the least at 178 mm (7.0 in). However, rainfall increases again in October and November, registering 266 mm (10.5 in) and 296 mm (11.6 in), respectively, as the wet season returns. December captures attention with 403 mm (15.9 in) of rainfall over 29 days, highlighting the region's susceptibility to climatic fluctuations. Overall, Tuamasaga's precipitation profile underscores its tropical essence, with clearly delineated wet and dry phases that are fundamental to its ecosystem dynamics.
In Tuamasaga, Samoa, sunshine duration exhibits a notable seasonal trend that reflects the region's tropical climate. The year begins with January and February experiencing relatively lower sunlight hours, with 231 and 218 hours, respectively. As the season transitions into March, an impressive increase occurs, peaking at 308 hours. This upward trend continues into the subsequent months, with April and May maintaining substantial sunshine, recorded at 275 and 281 hours, while June sees a slight dip yet remains robust at 272 hours.
The summer months herald the pinnacle of sunshine in Tuamasaga, particularly from September to October, where sunshine duration reaches its zenith. October stands out with 310 hours, making it the sunniest month of the year. The daylight hours begin to taper off in November and December, yet the totals remain favorable, with 296 and 288 hours, respectively. This pattern showcases how Tuamasaga experiences a dynamic interplay of sunlight and precipitation, creating a vibrant environment that supports its lush tropical ecosystem and fostering an inviting atmosphere for both residents and visitors alike.
In Tuamasaga, Samoa, the UV Index presents a clear indication of the region's intense sun exposure, particularly in the first half of the year. From January to March, the UV Index remains at a staggering 16, categorizing it as "extreme," where even minimal sun exposure can lead to burns in just 10 minutes. This high level of UV radiation continues into April, tapering slightly to 13, but still falls within the extreme category. As May approaches, the Index shows a decrease to 11, although it retains its severe classification, underscoring the need for sun protection throughout these months.
As the year transitions into the cooler months of June and July, the UV Index lowers to 9, categorized as "very high," which extends the safe burn time to 15 minutes. However, it surges again in August, reaching 12. The UV levels remain high into the latter part of the year, with October and November recording 15, indicating an “extreme” exposure category once more. Such readings emphasize the necessity for vigilant sun protection measures year-round, particularly during peak sunshine months, as Tuamasaga's climate ensures robust UV radiation that can impact skin health significantly.
UV Risk Categories
In Tuamasaga, Samoa, daylight duration exhibits a remarkable consistency throughout the year, reflecting the region's tropical climate. From January to March, residents enjoy a stable 12 hours of daylight each day, providing ample time for outdoor activities and fostering a vibrant natural environment. This duration indicates a balance of sunlight, allowing for effective photosynthesis and sustaining the lush, green landscapes characteristic of the area.
As the year progresses into the months of April through August, daylight time decreases slightly to 11 hours, marking the cooler part of the year. This reduction is subtle yet constant, maintaining the balance of light and dark that is essential for local ecosystems. However, daylight duration returns to 12 hours in September and remains there through the end of the year. This stability in sunlight hours, combined with the region's tropical conditions, contributes to the overall biodiversity and ecological richness of Tuamasaga, highlighting its unique climatic features.
The climate in Apia, Samoa is characterized by warm temperatures year-round, with average highs ranging from 26°C (79°F) to 30°C (86°F) and nighttime lows around 24°C (75°F). The wettest months are February and January, receiving significant rainfall, while August tends to be the driest with only 145 mm (5.7 in) of precipitation. Sunshine averages are highest from October to March, providing ample daylight hours, particularly in October with 310 hours. Overall, Apia experiences a tropical climate that supports lush landscapes and vibrant ecosystems. For more detailed information, visit Apia climate.
Vailima, Samoa, experiences a warm tropical climate with temperatures ranging from a minimum of 23°C (75°F) in July to a maximum of 30°C (86°F) in January and February. The region receives significant rainfall, particularly in February with 482 mm (19.0 in), while drier months are observed from June to August. Sunshine is abundant, peaking at 310 hours in October, providing a pleasant contrast to the prevailing wet conditions. For more details about the local climate, visit Vailima climate.
In conclusion, Tuamasaga, Samoa, is characterized by a tropical climate marked by consistent warmth, substantial precipitation, intense UV radiation, and stable daylight hours. The region's weather dynamics, featuring a distinct wet season and notable sunshine duration patterns, play a vital role in shaping its lush ecosystems and biodiversity. The ever-present UV index, particularly during peak months, underscores the importance of sun protection for residents and visitors alike. Overall, Tuamasaga's climatic attributes create a vibrant environment that not only supports a rich array of flora and fauna but also offers valuable insights into the intricacies of tropical weather patterns and their impact on daily life.