Last updated: January 18, 2025
Atua, Samoa, is characterized by a tropical rainforest climate, classified under the Koppen-Geiger climate classification as Af. The region experiences a year-round warm climate, with average temperatures hovering around 26°C (79°F). The temperature sees a minimum of 22°C (72°F) in July, while April records the maximum temperature at 30°C (86°F). This climatic condition supports a rich biodiversity and lush vegetation, making Atua a prime location for tropical ecosystems.
Temperature patterns in Atua, Samoa, reveal a warm and relatively stable tropical climate throughout the year. The minimum temperatures range from 22°C (72°F) in July to 24°C (76°F) in April and May, while the average temperatures consistently hover around 26°C (79°F) to 27°C (80°F). The maximum temperatures reach their peak at 30°C (86°F) in January, February, and April, gradually dropping to the lower end of 28°C (83°F) during the mid-year months. Despite slight fluctuations, the climate remains mild and humid, characterized by only marginal changes, ensuring a consistently warm environment ideal for both residents and visitors alike.
In Lalomanu, the climate features a minimum temperature of 23°C (74°F) in July, while the maximum reaches 29°C (85°F) in February. For more detailed insights on the monthly temperatures in Lalomanu, visit monthly temperatures in Lalomanu.
Atua, Samoa, experiences significant precipitation throughout the year, with a notable peak during the early months. February stands out as the wettest month, receiving 473 mm (18.6 in) of rainfall over an average of 26 days, contributing to the region's lush greenery. Following closely are January and December, with rainfall amounts of 322 mm (12.7 in) and 400 mm (15.7 in) respectively, both exemplifying the wet tropical climate prevalent in this area. The early half of the year displays high precipitation levels, which gradually decline from March onward, with June recording the least amount of rainfall at 209 mm (8.2 in).
The latter half of the year sees varied precipitation levels with an increase during the months of October and November, registering 322 mm (12.7 in) and 319 mm (12.6 in) respectively. This seasonal fluctuation in rainfall contributes to a humid climate, fostering diverse ecosystems. Interestingly, while rainfall is abundant, the summer months, especially August, experience a drop to 172 mm (6.8 in), indicating drier periods amidst the tropical conditions. Overall, the precipitation patterns in Atua play a crucial role in shaping the landscape and supporting its vibrant plant and wildlife.
In Atua, Samoa, sunshine duration displays a dynamic seasonal pattern, with notable peaks during the late summer and early autumn months. The year begins with a relatively lower sunshine duration of 230 hours in January, gradually improving as the months progress. By March, sunlight hours jump significantly to 307 hours, indicating a transition into sunnier weather that persists through the spring. The peak months for sunshine are October and September, with 309 hours and 304 hours respectively, allowing ample time for outdoor activities and the flourishing of the region's lush landscapes.
Conversely, the late summer months exhibit a slight dip in sunshine hours, but overall, the summer to early autumn transition is characterized by a consistent increase. With 275 hours of sunshine in April and 279 hours in May, the duration remains robust, demonstrating a relatively stable climate. Interestingly, the slight variations in sunshine hours throughout the year suggest that while certain months are slightly cloudier, the overall pattern favors longer sunlit days, particularly from March to October. This consistent sunshine fosters the tropical ambiance of Atua, contributing immensely to the island's biodiversity and attractiveness for visitors.
Atua, Samoa, experiences a notably high UV Index throughout the year, indicating a substantial risk of harm from unprotected sun exposure. The summer months of January to March reflect an extreme UV Index of 16, necessitating caution as the recommended burn time is as little as 10 minutes. Even as the seasons transition into autumn and then winter, the UV Index remains high, with ratings of 13 in April and 11 in May, which still fall within the extreme exposure category. This consistent exposure during the first half of the year highlights the necessity for sun protection among both locals and visitors engaging in outdoor activities.
As the year progresses into the winter months, the UV Index slightly decreases, with readings of 9 in June and July, categorized as very high but still warranting vigilance with a burn time increased to 15 minutes. The UV Index increases again in August, reaching 12, and then peaks again in October, November, and December with values of 15, continuing to emphasize the importance of sun safety practices. These patterns illustrate not only the intensity of solar radiation in Atua but also the crucial need for adequate sun protection strategies throughout the year to avoid skin damage and sunburn.
UV Risk Categories
In Atua, Samoa, daylight duration remains relatively consistent throughout the year, reflecting its tropical location near the equator. During the first three months, January through March, the region enjoys a stable 12 hours of daylight, providing ample time for both recreational and agricultural activities. As the year progresses into April, the daylight duration slightly decreases to 11 hours, continuing this trend through the winter months of May to August, indicating a subtle seasonal shift while maintaining a warm climate.
As the days lengthen into the latter part of the year, daylight once again returns to 12 hours in September and remains constant through December. This cyclical pattern of daylight makes Atua a favored destination for outdoor enthusiasts and those wanting to experience the vibrant natural landscapes of the region. Despite minor fluctuations, the abundance of daylight throughout the year underscores the island's appealing conditions for exploration and enjoyment of its rich cultural and ecological offerings.
Lalomanu, Samoa experiences a tropical climate characterized by warm temperatures throughout the year. Average daily temperatures range from 26°C (79°F) to 27°C (80°F), with minimal variation between months. Precipitation peaks from December to February, with February recording up to 474 mm (18.6 in) of rain, while sunnier months like March and October see over 300 hours of sunshine. The weather remains humid, making Lalomanu an ideal destination for those who enjoy warm, tropical conditions. For more details, visit Lalomanu climate.
In summary, Atua, Samoa, offers a climate marked by warm temperatures, significant precipitation, high UV indices, and a consistent daylight duration that collectively contribute to its tropical allure. The region's temperature patterns support vibrant ecosystems, while the high levels of sunshine and intense UV exposure highlight the need for sun protection. Additionally, the predictable variations in daylight enrich the experience for both residents and visitors, allowing for a variety of outdoor activities year-round. Understanding these climatic factors is essential for maximizing enjoyment and ensuring safety while exploring the natural beauty and cultural richness of Atua.