Last updated: January 18, 2025
Santa Rita, Guam, is characterized by a tropical rainforest climate (Köppen-Geiger classification Af), reflecting its consistently warm temperatures throughout the year. The minimum temperature reaches 25°C (77°F) in March, while the average hovers around 27°C (82°F). The hottest month is September, where maximum temperatures peak at 30°C (86°F). This warm climate not only facilitates lush vegetation but also influences local weather patterns, making Santa Rita a vibrant example of tropical island ecosystems.
In Santa Rita, Guam, temperature patterns exhibit a remarkable consistency throughout the year, characterized by warm tropical conditions. The minimum temperatures typically range from 25°C (77°F) to 26°C (79°F), while average temperatures consistently hover around 27°C (81°F) to 28°C (82°F). Maximal temperatures experience a gradual increase, peaking at 30°C (86°F) in September, suggesting a warm, but stable transition into the late summer months. Notably, April marks the onset of slightly warmer conditions as maximums rise from 28°C (83°F) to 29°C (84°F) and 85°F, a trend that persists until October. This seasonal stability, with only modest fluctuations, fosters a relatively uniform tropical climate ideal for lush growth and a vibrant ecosystem.
In Santa Rita Village, temperatures fluctuate between a minimum of 25°C (77°F) in March and a maximum of 30°C (86°F) in September, creating a warm climate throughout the year. For more detailed monthly temperatures, visit monthly temperatures in Santa Rita Village.
Santa Rita, Guam, experiences distinct precipitation patterns characterized by a humid tropical climate. The rainfall distribution throughout the year reveals a noticeable increase during the warmer months, with January and March seeing lower totals of 61 mm (2.4 in) and 53 mm (2.1 in), respectively. As the year progresses, precipitation begins to rise, peaking significantly from April to August. April sees an increase to 94 mm (3.7 in), while August records an impressive 405 mm (16.0 in), marking it as the wettest month.
The frequency of rainfall days also reflects this seasonal shift, with a gradual increase in the number of rainy days as the year advances. January, February, and March each average 15 days of precipitation, while by July and August, this number escalates to a maximum of 30 days. This increase is particularly evident in the summer months, contributing to the overall rainfall totals that help sustain the region's lush tropical vegetation, with significant totals also extending into the early fall months like October and November.
In Santa Rita, Guam, sunshine duration exhibits a notable seasonal pattern, with hours of sunlight steadily increasing as the year progresses. Starting from January, which enjoys 232 hours of sunshine, a consistent upward trend unfolds through the spring months, culminating in maximum sunlight in May with an impressive 336 hours. This pattern not only emphasizes the transition to the warmer season but also highlights the region’s shift towards longer days filled with vibrant sunlight, ideal for outdoor activities and agricultural pursuits.
As summer approaches, although hours of sunshine begin to decline slightly, they remain relatively high, with June still basking in 319 hours. The subsequent months, July through September, see a gradual decrease, with September witnessing the least sunlight at 259 hours. However, even during these months, sunshine remains abundant compared to the winter months, offering a reassuring consistency for residents and visitors alike. The overall trend reflects a dynamic interplay between sunlight and seasonal changes, creating a unique tropical climate that thrives on its sun-kissed shores throughout the year.
Santa Rita, Guam, experiences a consistently high UV Index throughout the year, signaling extreme conditions that necessitate caution for outdoor activities. Starting with a UV Index of 11 in January, the readings steadily rise, peaking at 15 in both March and September. Notably, the January and December months feature the lowest values, but they still fall within the extreme exposure category, with a burn time of just 10 minutes. This consistent high level emphasizes the need for protective measures against UV radiation, including sunscreen and protective clothing.
The UV Index remains elevated during the summer months, particularly from March to September, reinforcing the idea that safety precautions are essential year-round. With the UV Index fluctuating between 12 and 15 for most of these months, residents and visitors alike must remain vigilant to avoid the harsh effects of sun exposure, making proactive strategies essential during all outdoor activities. The sustained extreme levels of UV radiation underscore the tropical environment of Santa Rita, as it continues to be a year-round sun-soaked destination.
UV Risk Categories
In Santa Rita, Guam, daylight duration exhibits a remarkable consistency throughout the year, largely characterized by an average of 11 to 12 hours of daylight each day. The year begins with 11 hours in both January and February, allowing residents and visitors to enjoy a balanced amount of sunlight during the winter months. As spring approaches in March, daylight increases to 12 hours, maintaining this duration consistently from April through September. This predictable pattern underlines the region's tropical nature, where long days of sunshine create an ideal environment for outdoor activities and agricultural pursuits.
As autumn arrives, daylight begins to taper off once again. From October through December, daylight returns to 11 hours, mirroring the beginning of the year. This slight fluctuation in daylight hours is less pronounced compared to mid-latitude regions, making Santa Rita's daylight duration a hallmark of its stable climate. Overall, the relatively uniform daylight hours throughout the seasons contribute significantly to the island's allure, offering ample opportunity for exploration and leisure all year round.
Santa Rita Village, Guam experiences a tropical climate with minimal temperature variation throughout the year, averaging between 27°C (81°F) and 28°C (82°F). The warmest months are April to October, where maximum temperatures can reach up to 30°C (86°F) in September. Precipitation is highest from June to August, notably peaking in August with 405 mm (16.0 in), while sunshine hours are plentiful, especially from March to May. For more detailed information, visit Santa Rita Village climate.
In summary, Santa Rita, Guam, exemplifies a tropical paradise characterized by consistent temperature, abundant sunshine, and a high UV Index, alongside a stable daylight duration throughout the year. The mild fluctuations in temperature and daylight, coupled with the extreme levels of sunshine and UV exposure, create an environment that fosters both vibrant ecosystems and outdoor recreational opportunities. As residents and visitors navigate this beautiful landscape, awareness of climatic conditions—including UV safety and seasonal changes—remains essential for enjoying the rich natural beauty of this island locale responsibly and sustainably.