Last updated: January 18, 2025
Bioko Sur, located in Equatorial Guinea, showcases a tropical rainforest climate classified under the Köppen-Geiger system as Am. The region experiences warm temperatures throughout the year, with a minimum of 20°C (68°F) in January, rising to an average of 25°C (77°F). The peak temperature is observed in April, where highs can reach up to 31°C (88°F). This consistent warmth, paired with abundant precipitation, fosters a rich biodiversity, making Bioko Sur a vital ecological zone in Central Africa.
In Bioko Sur, Equatorial Guinea, temperature patterns exhibit a subtle yet distinct seasonal variation throughout the year. January marks the beginning of the year with temperatures starting at a minimum of 20°C (68°F) and reaching a maximum of 30°C (86°F). As the months progress into February and March, a slight increase in minimum temperatures occurs, peaking at 22°C (71°F) by April, which also sees the year's highest maximum temperature of 31°C (88°F). Following April, temperatures generally plateau, with average highs remaining steady around 29°C (84°F) from May to November, while minimums hover consistently around 21°C (70°F). The cooler months of June through August see a modest decline in average temperatures, with lows dipping to 20°C (69°F) in August. Overall, Bianca Sur maintains a warm tropical feel year-round, emphasizing its rainforest climate with minimal fluctuations yet pronounced seasonal trends.
Luba experiences a minimum temperature of 22°C (72°F) in August and peaks at 29°C (84°F) in March, while Moca has a similar minimum of 22°C (72°F) in September but a slightly lower maximum of 28°C (83°F) in March. In contrast, Riaba records a cooler minimum of 20°C (68°F) in January and a warmer maximum of 31°C (88°F) in April. For more detailed climate information, visit monthly temperatures in Luba, monthly temperatures in Moca, and monthly temperatures in Riaba.
Bioko Sur experiences significant precipitation throughout the year, characterized by a discernible wet season, particularly from May to August. January begins the year with a moderate rainfall of 98 mm (3.8 in), gradually increasing to 135 mm (5.3 in) in February. However, it is in March that the region begins to receive substantial moisture, peaking at 263 mm (10.4 in) in both March and April. This trend escalates dramatically in May, when rainfall reaches 461 mm (18.2 in), marking the onset of the rainy season, which continues with even higher totals through July and August.
The peak of the rainy season is observed in August, with an impressive 702 mm (27.6 in) of precipitation, showcasing Bioko Sur's tropical characteristics. The rainfall remains considerable even in September at 610 mm (24.0 in), while it gradually diminishes in the following months, tapering to 498 mm (19.6 in) in October and 313 mm (12.3 in) in November. By December, rainfall recedes further to 174 mm (6.8 in), indicating a shift towards drier conditions. This precipitation pattern, with an average of 25 to 30 rainy days monthly during the wet season, sustains the region's lush biodiversity and vibrant tropical ecosystems.
Bioko Sur, Equatorial Guinea, reveals an intriguing pattern in sunshine duration, highlighting a substantial increase in daylight hours as the year progresses. Starting with 257 hours of sunshine in January, there is a steady upward trend with February and March witnessing 279 and 291 hours, respectively. The spring months exhibit consistent sunshine, with April and May offering nearly identical totals of 289 and 288 hours. This positive momentum continues into the early summer, reaching a peak of 292 hours in July, indicating that this period is particularly favorable for sun seekers and outdoor activities.
As the year transitions towards the end, Bioko Sur maintains impressive sunshine levels, especially in December, where it culminates at 312 hours—the highest monthly total of the year. Despite a slight reduction in sunshine hours during the later months, such as September with 268 hours, the overall trend reflects a vibrant sunshine experience. The consistent availability of sunlight, particularly from January through August, juxtaposed against the relatively lower hours during the rainy season, underscores the region’s dual climatic character, fostering both lush greenery and opportunities for sunlight enjoyment throughout the year.
In Bioko Sur, Equatorial Guinea, the ultraviolet (UV) index remains predominantly high throughout the year, indicating a significant risk of harm from unprotected sun exposure. January and February kick off the year with an impressive UV index of 11, categorized as extreme, and a dangerously short burn time of just 10 minutes. This extreme level continues into March, reaching 12, and peaking in April with a UV index of 14—the highest recorded for the year. Such severe UV levels emphasize the importance of protective measures during the peak sunlight months, particularly as values remain elevated in May and June.
As the year progresses, the UV index exhibits slight fluctuations but generally stays within the extreme range, with values of 11 to 13 from July through November. While December shows a minor decrease to 10, it retains a classification of very high, leading to a burn time of 15 minutes. The consistent presence of extreme UV conditions across most months necessitates awareness and caution for residents and visitors engaging in outdoor activities. Incorporating protective strategies such as sunscreen, clothing, and shade is vital to mitigate the risks associated with prolonged sun exposure in this tropical climate.
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In Bioko Sur, Equatorial Guinea, daylight duration exhibits relatively consistent patterns throughout the year, primarily influenced by the region's equatorial location. Starting with 11 hours of daylight in both January and February, the days gradually lengthen as March approaches, increasing to 12 hours. This extended daylight period persists from March until October, providing ample sunlight for activities and natural growth. During these months, the stability of 12 hours of daylight contributes to Bioko Sur's lush tropical environment and vibrant ecosystems.
As the year draws to a close, daylight hours decrease again, returning to 11 hours in November and December. This slight seasonal shift highlights the year-round balance in Bioko Sur's daylight, where variations are subtle yet significant for both residents and the natural world. The consistent availability of daylight for most of the year enhances the region's appeal, promoting outdoor lifestyles and supporting the diverse biological activities that thrive in the tropics.
Luba, Equatorial Guinea, experiences a tropical climate characterized by warm temperatures year-round, with monthly averages ranging from 23°C (73°F) to 29°C (84°F). The region receives substantial rainfall, peaking in May and August, where monthly totals can exceed 750 mm (29.5 in). Sunshine hours are plentiful, especially in December with 314 hours, providing a bright contrast to the wet months. This climate fosters lush vegetation, making Luba a vibrant destination. For more detailed information, visit Luba climate.
Moca, Equatorial Guinea, experiences a tropical climate characterized by warm temperatures and significant rainfall. Throughout the year, temperatures range from a minimum of 22°C (72°F) in July and August to a maximum of 28°C (82°F) in the warmer months. Precipitation peaks in June and August, with over 500 mm (20 in) of rain, while sunshine hours remain relatively high, with December seeing the most at 312 hours. This combination creates a lush environment, making Moca vibrant and green. For more details, visit Moca climate.
Riaba, Equatorial Guinea experiences a tropical climate characterized by warm temperatures and considerable rainfall. Monthly average temperatures range from 23°C (73°F) in the cooler months of July and August to 25°C (77°F) for most of the year, with maximum temperatures averaging around 30°C (86°F). The rainy season peaks from May to August, with July being the wettest month, receiving 646 mm (25.4 in) of rain. Despite the extensive rainfall, sunshine is abundant, especially in December with 311 hours. For more details, visit Riaba climate.
In conclusion, Bioko Sur, Equatorial Guinea, presents a unique climatic profile characterized by warm temperatures, substantial precipitation, and abundant sunlight. The region's tropical rainforest climate fosters a rich biodiversity, supported by a significant annual rainfall that peaks during the summer months. Alongside high UV index values and consistent daylight hours throughout the year, residents and visitors are afforded numerous opportunities to engage with the vibrant natural surroundings. Understanding these climatic patterns is essential for promoting sustainable living practices, ensuring adequate sun protection, and appreciating the ecological diversity that distinguishes Bioko Sur as a remarkable ecological haven within Central Africa.