Last updated: January 18, 2025
Grand Bassa, Liberia, is characterized by a tropical monsoon climate (Köppen-Geiger classification: Am), presenting warm temperatures throughout the year. January sees a pleasant minimum temperature of 21°C (71°F), while the region experiences a comfortable average of 26°C (79°F). The peak warmth occurs in March, where temperatures can soar to a maximum of 33°C (91°F), creating a vibrant and humid atmosphere typical of tropical climates. This combination of climatic factors supports diverse ecosystems and influences the lifestyle of residents in Grand Bassa.
The temperature patterns in Grand Bassa, Liberia, exhibit a distinct tropical climate with mild variations throughout the year. January begins with cooler conditions, featuring a minimum of 21°C (71°F) and an average of 26°C (80°F), before gradually warming in February and March, where maximum temperatures can reach 33°C (91°F). As the year progresses into the wet season around May to July, temperatures remain relatively stable, with averages hovering between 25°C (77°F) to 27°C (81°F), while maximums slightly decrease to around 29°C (84°F). August often records the lowest averages, but temperatures recover in the subsequent months. By December, the climate returns to the familiar warmth, closing the year with averages of 26°C (80°F) and maximums reaching 32°C (90°F). This seasonal rhythm highlights a consistent warmth tempered by shifts between dry and wet periods, characteristic of the region's tropical monsoon climate.
Buchanan experiences a temperate climate, with January temperatures dipping to a minimum of 21°C (71°F) and peaking at 33°C (91°F) in March. For more detailed information on the monthly temperatures in Buchanan, you can visit monthly temperatures in Buchanan.
Grand Bassa, Liberia, experiences a pronounced seasonal variation in precipitation, characteristic of its tropical monsoon climate. The year begins with relatively low rainfall in January at 74 mm (2.9 in), with totals increasing steadily through February and March, culminating in a significant 170 mm (6.7 in) by the end of March. The month of April marks a further intensification, as rainfall rises sharply to 195 mm (7.7 in), heralding the onset of the rainy season. May ushers in the peak of precipitation, averaging a remarkable 340 mm (13.4 in), setting the stage for the wettest months.
From June to September, Grand Bassa experiences its highest rainfall, with June recording an impressive 518 mm (20.4 in) and August following closely with 464 mm (18.3 in). This period is often characterized by nearly daily rainfall, contributing to the region's lush landscapes. October remains wet with 405 mm (15.9 in), while the precipitation starts to taper off in November and December, concluding with 171 mm (6.7 in) and 96 mm (3.8 in) respectively. Throughout the year, rainfall days fluctuate, with the peak in May and consistent precipitation commonplace during the wet season, solidifying Grand Bassa’s reputation as a region rich in moisture and biodiversity.
In Grand Bassa, Liberia, sunshine duration exhibits a clear seasonal pattern, characterized by an increase in daylight hours from the beginning of the year towards the summer months. January starts with 239 hours of sunlight, gradually rising to peak at 274 hours in March, showcasing a steady increase that signals the approach of the warmer season. April maintains this warmth with 273 hours, but as the rainy season begins in May, the sunshine hours decrease slightly to 263 hours. Nevertheless, May still enjoys considerable sunlight, which is reflective of the transitional climate as the region shifts towards its wetter months.
The summer months bring a notable decline in sunshine, with June recording only 227 hours and July experiencing a slight recovery at 236 hours. This downward trend reaches its lowest in August with just 215 hours, coinciding with substantial rainfall. As the rainy season wanes, sunshine hours see a resurgence in September, though lower at 207 hours compared to earlier months. The trend reverses dramatically in the final months of the year, with November and December showcasing impressive sunshine totals of 278 hours and 292 hours respectively. This seasonal ebb and flow not only highlights the relationship between rainfall and sunshine but also underscores the rich biodiversity nurtured by these alternating cycles of light and moisture in Grand Bassa.
In Grand Bassa, Liberia, the UV Index presents a formidable challenge throughout the year, particularly within the peak sunlight months. From January to May, the UV Index remains consistently high, peaking at 13 during March, April, and May, categorized as extreme. This level indicates severe risk of harm from unprotected sun exposure, with a burn time of only 10 minutes. The extreme UV conditions during these months necessitate rigorous sun protection measures to mitigate potential skin damage and health risks associated with prolonged sun exposure.
As the rainy season approaches in June, the UV Index slightly decreases to 11 but remains at an extreme level, indicating continued vigilance is necessary. The values stay around 12 from July to October, emphasizing sustained sun exposure danger, with the burn time again noted as 10 minutes. A gradual decline occurs in November, with a UV Index of 11, and finally, December marks a shift to a very high level of 10, prolonging the recommended burn time to 15 minutes. This data underscores the importance of continual sun protection throughout the year, especially during the intense UV exposure periods of January through October.
UV Risk Categories
In Grand Bassa, Liberia, daylight duration exhibits a consistent pattern throughout the year, generally ranging between 11 and 12 hours. The year begins with 11 hours of daylight in both January and February, providing a steady yet limited exposure to sunlight during the cooler months. As March arrives, a subtle increase is noted, with daylight extending to 12 hours. This duration remains stable from March through August, marking a period of ample light that supports agricultural activities and fosters vibrant ecosystems.
However, as the year transitions into the latter months, daylight duration begins to decrease again, with October, November, and December each recording 11 hours. This decline signals the onset of shorter days and less exposure to sunlight as the rainy season fully unfolds. Despite the fluctuations, the overall daylight consistency in Grand Bassa supports a stable climate, allowing for diverse adaptations in both the environment and the lifestyles of its inhabitants.
Buchanan, Liberia experiences a tropical climate characterized by warm temperatures and significant rainfall. Average temperatures range from 21°C (71°F) in January to 23°C (73°F) in the rainy season, peaking around 33°C (91°F) in March and April. Precipitation is highest from May to October, with June being particularly wet at 518 mm (20.4 in). Sunshine is abundant in the drier months, with February boasting 270 hours of sunshine. For more detailed information, visit Buchanan climate.
In conclusion, the climate of Grand Bassa, Liberia, is marked by its tropical monsoon characteristics, accompanied by distinct patterns of temperature, precipitation, sunshine duration, UV Index, and daylight hours. The region experiences warm temperatures year-round, with notable peaks during specific months, while rainfall and humidity define the wet season. The high UV Index, particularly during the dry season, underscores the importance of sun protection for residents and visitors alike. Furthermore, the consistent daylight duration throughout the year facilitates various agricultural and ecological activities. Together, these climatic factors contribute to the rich biodiversity and cultural practices in Grand Bassa, fostering a landscape where both people and nature thrive amidst an ever-changing environment.