Last updated: January 18, 2025
Bioko Norte, located in Equatorial Guinea, exhibits a tropical monsoon climate classified under the Köppen-Geiger system as Am. The region experiences a minimum temperature of 23°C (74°F) in August, while the average temperature hovers around 26°C (79°F) year-round. The warmest month, April, sees maximum temperatures reaching up to 30°C (86°F). This climatic profile underscores the area's distinctive weather patterns, characterized by warmth and high humidity, which significantly influence both the local ecology and human activities.
Temperature patterns in Bioko Norte, Equatorial Guinea, reveal a consistent warmth throughout the year with subtle seasonal variations. The year begins with a mild climate in January and February, where minimum temperatures remain around 24°C (75°F) and averages peak at 27°C (81°F), suggesting a warmer start to the year. As March and April approach, temperatures gradually increase, with April witnessing the highest maximum at 30°C (86°F). The transition into the mid-year months sees a slight cooling trend, particularly from June to August, where temperatures dip slightly to a minimum of 23°C (74°F) and maximums settle between 26°C (80°F) and 28°C (82°F). As the year concludes, temperatures rise again in November and December, restoring average highs close to their earlier peaks, maintaining the region's characteristic warmth and humidity year-round.
In August, both Malabo and Rebola experience a minimum temperature of 23°C (74°F), while their maximum temperature reaches 30°C (86°F) in April. In Santiago de Baney, the minimum temperature rises slightly to 24°C (75°F) in September, with a maximum of 30°C (85°F) in April. For detailed monthly temperatures, you can explore Malabo's climate here, Rebola's climate here, and Santiago de Baney's climate here.
Precipitation in Bioko Norte, Equatorial Guinea, exhibits pronounced seasonal variation, characterized by a distinct wet season primarily from May to September. During this period, rainfall peaks, with July and August recording the highest amounts of 485 mm (19.1 in) and 607 mm (23.9 in), respectively. This intense rainfall is complemented by numerous rainy days, with July and August also experiencing 29 days of precipitation, contributing to a lush, vibrant landscape. The months leading up to this peak, particularly March and April, also see significant rainfall, with totals of 165 mm (6.5 in) and 168 mm (6.6 in), setting the stage for the heavier downpours to follow.
In contrast, the early part of the year features much lighter precipitation, with January and February witnessing 44 mm (1.7 in) and 73 mm (2.9 in), respectively, alongside fewer rainy days. As the year concludes, October and November continue to receive moderate rainfall, totaling 378 mm (14.9 in) and 176 mm (6.9 in), while December experiences a significant drop to 65 mm (2.5 in). This seasonal cycle of rainfall underscores the region's tropical climate, fostering a diverse ecosystem supported by ample moisture during the wet season.
Sunshine duration in Bioko Norte, Equatorial Guinea, reveals a clear seasonal trend marked by increasing hours of sunlight as the year progresses. The year begins with a solid foundation, featuring 257 hours in January and gradually rising through February to reach 278 hours. March stands out with 288 hours, representing the peak of early spring sunshine. Following a slight dip in April to 284 hours, the duration remains consistent through May at 285 hours, suggesting a stable transition into the wetter months ahead.
As summer approaches, June sees a minor decline to 276 hours, yet remains relatively bright. July and August maintain a comparable level of sunlight with 284 hours and 271 hours, respectively, despite the intensifying rainfall typical of these months. Notably, September experiences a reduction to 259 hours, marking a seasonal shift toward shorter days. However, the latter part of the year witnesses a resurgence, culminating in December's impressive 311 hours of sunshine, which represents the highest monthly total, offering a bright farewell to the year. This cyclical pattern of sunshine underscores the tropical climate's influence on daylight availability, enhancing the region's vibrant ecosystems and inviting outdoor activities.
The UV Index in Bioko Norte, Equatorial Guinea, consistently remains in the extreme category throughout the majority of the year, reflecting the region's intense solar exposure. Beginning in January and February with a stable UV Index of 11, the risk of harm from unprotected sun exposure is significant, with a recommended burn time of only 10 minutes. As the year progresses, March and April see a rise, peaking at 12 and 14, respectively, highlighting the necessity for increased sun protection as the sun's intensity escalates. This trend underscores a persistent need for caution against UV radiation, particularly as April presents the highest risk.
By mid-year, the UV Index slightly fluctuates, returning to 11 in June and July, while August marks a brief increase to 12, followed by 13 in September and October. Despite these increases, the burn time remains a constant 10 minutes, emphasizing the importance of protective measures. As the year draws to a close, November experiences a drop to 11, and December sees a decline to 10, classified as very high, allowing for a slightly extended burn time of 15 minutes. Overall, the consistently high UV Index throughout the year reflects Bioko Norte's tropical climate, necessitating vigilance and appropriate sun safety measures for residents and visitors alike.
UV Risk Categories
Daylight duration in Bioko Norte, Equatorial Guinea, exhibits a consistent pattern throughout the year, with only minor fluctuations. The year begins with 11 hours of daylight in both January and February, providing a stable but shorter light period at the start of the calendar year. As daylight gradually increases, March sees a rise to 12 hours, which is sustained across several months. This steady duration from March through October emphasizes the region's equatorial position, where daylight hours tend to remain relatively constant.
As the months transition towards the end of the year, daylight duration shifts back to 11 hours in November and December, marking a return to the shorter days begun earlier in the year. This cyclical trend illustrates not only the consistency of daylight across most of the year but also the subtle variations that occur with the changing seasons. Overall, the predictable daylight patterns contribute significantly to the region's weather, biodiversity, and the daily rhythms of life in Bioko Norte.
Malabo, Equatorial Guinea, experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average monthly temperatures range from 24°C (75°F) to 30°C (86°F), with the warmest months being from April to July. Rainfall peaks during the months of May to August, with August recording an average of 620 mm (24.4 in). Despite the heavy precipitation, Malabo enjoys ample sunshine, particularly in December, which boasts 311 hours of sun. For more detailed information, visit Malabo climate.
Rebola, Equatorial Guinea experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average monthly temperatures range from 24°C (75°F) to 30°C (86°F), with the warmest months typically being April and May. Rainfall peaks from June to August, with July showing the highest precipitation at 489 mm (19.2 in). The area enjoys ample sunshine, particularly in December with 311 hours, contrasting with the wetter months that receive fewer sun hours. For more information, visit Rebola climate.
Santiago de Baney, Equatorial Guinea, experiences a tropical climate characterized by warm temperatures throughout the year, with average highs ranging from 25°C (78°F) in the cooler months to 30°C (86°F) in April. The wettest months are from June to August, where precipitation can exceed 500 mm (19.7 in), peaking in August at 581 mm (22.9 in). Despite the heavy rainfall, sunshine is plentiful, with December boasting the highest hours at 311. For more detailed climate information, visit Santiago de Baney climate.
In conclusion, Bioko Norte, Equatorial Guinea, experiences a unique climate characterized by high temperatures, significant rainfall, and intense solar exposure throughout the year. The data on temperature, precipitation, sunshine duration, UV Index, and daylight hours reveals a distinct seasonal rhythm that greatly influences the region's ecosystem and daily life. With extreme UV Index levels and considerable rainfall during the wet season, coupled with a relatively consistent length of daylight, residents and visitors must remain vigilant and adaptive to the climatic conditions. This understanding of Bioko Norte's environmental patterns not only highlights the region's rich biodiversity but also underscores the importance of sustainable practices to protect its natural resources amidst ongoing climatic challenges.