Last updated: January 18, 2025
Saint Luke, Dominica, is characterized by a tropical rainforest climate as classified by the Köppen-Geiger system (Af). With minimum temperatures reaching 22°C (71°F) in February, the region experiences a comfortable average of 26°C (78°F) throughout the year. The mercury peaks at about 28°C (83°F) in September, highlighting the warmth commonly associated with tropical climates. This consistent warmth, combined with high humidity, supports a rich biodiversity and lush vegetation typical of the area.
In Saint Luke, Dominica, temperature patterns exhibit a warm and stable tropical climate throughout the year. The minimum temperatures range from 22°C (72°F) in the cooler months of January to March, gradually increasing to 25°C (77°F) by September. Average temperatures typically remain within the 24°C to 27°C (76°F to 81°F) range, peaking slightly in May and September when the warmth is most pronounced. Maximum temperatures follow a similar trend, with values climbing from 26°C (79°F) early in the year to a high of 28°C (83°F) during the summer months of July and August, illustrating a subtle increase as the year progresses. Overall, the climate remains consistently warm, with only slight variations, making it ideal for year-round tropical vegetation and outdoor activities.
Pointe Michel experiences a minimum temperature of 22°C (71°F) in February, gradually rising to a maximum of 28°C (83°F) in September. This warm climate throughout the year offers a pleasant environment for visitors and locals alike. For more detailed information on monthly temperatures, refer to monthly temperatures in Pointe Michel.
The precipitation patterns in Saint Luke, Dominica, reveal a distinct seasonal variation, particularly marked in the summer months. During the early part of the year, rainfall remains relatively consistent, with January to March seeing approximately 58 mm (2.3 in) of rainfall each month. As the region transitions into the late spring and early summer, precipitation begins to escalate, with June recording a notable rise to 101 mm (4.0 in). The wettest months occur from July to October, where rainfall peaks in August at 150 mm (5.9 in), contributing to a lush, tropical landscape.
Alongside the fluctuating rainfall amounts, the frequency of rainy days shows a significant increase during these summer months. Rainfall is registered on 17 to 18 days each month from January to April, while June marks a jump to 22 rainy days, culminating in 25 rainy days in both July and August. This period of heightened precipitation continues into the fall, with October reflecting 167 mm (6.6 in) of rainfall over 23 days. The cycle concludes with a reduction in both the rainfall and the number of rainy days by December, allowing for a brief reprieve before the cycle begins anew.
In Saint Luke, Dominica, the annual sunshine duration showcases a clear seasonal trend, reflecting the tropical climate's capacity for abundant sunlight. From January to May, there is a steady increase in sunshine hours, starting with 267 hours in January and peaking at 356 hours in May. This upward trajectory highlights the transition from the winter months, where shorter days dominate, to the early summer, offering the most vibrant and sunny conditions perfect for outdoor activities and exploration.
As summer progresses into late fall, sunshine hours remain relatively high, particularly in July and August, with 354 hours and 347 hours, respectively. However, there is a slight dip in September as the rainy season approaches, dropping to 317 hours. October and November see a gradual return of sunshine, with totals around 320 hours and 311 hours. By December, sunshine duration rebounds to 328 hours, suggesting that while the rainy season does impact sunshine hours, the overall abundance of daylight hours in this tropical paradise remains a significant feature year-round, making it an attractive destination for sun-seekers.
The UV Index in Saint Luke, Dominica, consistently reflects a high level of solar intensity throughout the year, with notable peaks in the spring and summer months. In January, the UV Index begins at 10, categorized as very high, indicating that even short exposure could be harmful. As the year progresses, the index climbs to an extreme level, peaking at 14 in April and May, with a recommended burn time of just 10 minutes. This trend underscores the critical importance of sun protection during these months, as the risk for skin damage significantly increases.
As summer transitions into fall, the UV Index begins to taper slightly but remains within the extreme range, with values around 12 to 13 from June to October. Despite this reduction, the burn time remains at a concerning 10 minutes, emphasizing the necessity of vigilance regarding sun safety. By November, the UV Index drops back to 10, and further declines to 9 in December, shifting to a very high exposure category. This seasonal pattern highlights the persistent need for sun protection in Saint Luke, particularly when the UV Index reaches extreme levels, reaffirming the necessity for residents and visitors alike to prioritize skin safety year-round.
UV Risk Categories
In Saint Luke, Dominica, daylight duration exhibits a relatively stable pattern throughout the year, typical of tropical climates. From January to February, the average daylight remains consistent at 11 hours per day. As spring unfolds, March marks a slight increase to 12 hours, which continues through April and May. This consistency in daylight duration during the spring months fosters an ideal environment for both agriculture and outdoor leisure activities, allowing residents and visitors to maximize their time in the sun.
As summer approaches, daylight reaches its peak in June with 13 hours of sunlight, providing ample time for exploration and enjoyment of the island's natural beauty. Following June, the daylight duration returns to 12 hours from July through September, maintaining a steady level even as the rainy season begins. However, as the year concludes, the daylight hours gradually decrease back to 11 hours in October, November, and December. This cyclical daylight pattern accentuates the tropical climate of Saint Luke, offering a reliable framework for planning various activities throughout the seasons.
Pointe Michel, Dominica, experiences a tropical climate with temperatures averaging from 24°C (75°F) in February to 27°C (81°F) in September. The region sees significant rainfall, particularly in the summer months, with October recording the highest precipitation at 167 mm (6.6 in). Sunny conditions prevail throughout the year, with May boasting the most sunshine hours at 356. Despite the heavy rainfall during certain months, the climate remains warm and humid, making it a lush and vibrant environment. For more details, visit Pointe Michel climate.
In summary, Saint Luke, Dominica, presents a captivating climate characterized by stable temperatures, ample sunlight, and significant UV radiation throughout the year. The region boasts a tropical rainforest climate with warm, consistent temperatures ranging from 22°C to 28°C. Sunshine hours peak during the summer months, while the UV Index frequently reaches extreme levels, particularly in the spring and early summer. With a reliable duration of daylight that allows for nearly consistent outdoor activity, residents and visitors alike can revel in the lush beauty and vibrant ecosystems the island has to offer. However, awareness of sun safety is crucial in this sun-soaked paradise, highlighting the importance of protection against UV exposure while enjoying the stunning natural environment.