Last updated: January 18, 2025
Pemba South, Tanzania, is characterized by a tropical climate classified under the Köppen-Geiger system as Am, indicative of a monsoonal climate. Throughout the year, temperatures remain consistently warm, with a minimum of 22°C (73°F) recorded in October, peaking at an average of 26°C (80°F). The region experiences its highest temperatures in March, reaching a maximum of 30°C (86°F). This climate profile underscores the warm, humid conditions prevalent in Pemba South, shaping its unique ecosystem and agricultural potential.
In Pemba South, Tanzania, temperature patterns exhibit a warm tropical climate with distinct seasonal trends. The year begins with January and February showcasing relatively high temperatures, where minimums hover around 25°C (77°F) and average daily highs reach up to 30°C (86°F). As the months progress into March and April, temperatures remain steady, with averages slightly declining. From late April through June, a gradual cooling trend is evident, with minimum temperatures dipping to 23°C (74°F) by June and averages stabilizing at 26°C (79°F). The subsequent months of July, August, and September experience the coolest conditions of the year, with maximums around 26°C (80°F). October marks the transition back to warmer temperatures, culminating in a seasonal cycle that reinvigorates with averages resuming to 27°C (81°F) by December. This cyclical change reflects the region’s consistency in warmth, with slight variations indicative of the progression through the seasons.
Chake Chake experiences a minimum temperature of 22°C (73°F) in October and a maximum of 30°C (86°F) in March, which can be viewed in more detail at monthly temperatures in Chake Chake. Similarly, both Mtambile and Uwelini have a minimum of 23°C (73°F) in October and also peak at 30°C (86°F) in March; further information can be found at monthly temperatures in Mtambile and monthly temperatures in Uwelini, respectively.
Pemba South, Tanzania, experiences a distinct precipitation pattern throughout the year, with rainfall significantly peaking during the months of April and May. In April, the region sees a remarkable total of 389 mm (15.3 in), often through an average of 27 days of rain, marking the height of the rainy season. This is closely followed by May, which delivers 383 mm (15.1 in) over 26 days, indicating sustained moisture that nourishes the region's lush landscapes. In contrast, the months leading into the rainy season, such as January and February, yield considerably lower totals of 28 mm (1.1 in) and 23 mm (0.9 in), respectively, reflecting a drier climate.
Moving beyond the peak months, precipitation begins to taper off in June, which receives 86 mm (3.4 in) over 18 days, before continuing a gradual decline into the second half of the year. From July to September, rainfall stays relatively low, with totals ranging from 32 mm (1.3 in) in August to 42 mm (1.7 in) in July. However, October witnesses a resurgence with 104 mm (4.1 in), signaling the onset of the wetter months again. November and December maintain this trend with 86 mm (3.4 in) and 90 mm (3.5 in), respectively, completing a cyclical pattern of heavy rains and dry spells that shapes Pemba South’s climate and ecology.
In Pemba South, Tanzania, sunshine duration exhibits a compelling seasonal trend characterized by a gradual increase from the onset of the year towards its end. Starting with 292 hours in January, the amount of sunshine steadily rises, culminating in 347 hours during March, the sunniest month of the year. As the region transitions into the rainy season, sunshine hours slightly dip to 301 hours in April and May; however, it remains relatively high, ensuring that the lush landscapes benefit from both sunlight and moisture during this critical growing period.
The latter half of the year showcases a remarkable resurgence in sunshine, with December emerging as the brightest month, boasting an impressive 361 hours of sunlight. This resurgence signifies a return to drier conditions, allowing for more sunny days. Notably, late winter and early spring months, particularly July to October, also witness substantial sunlight hours ranging between 337 hours and 351 hours. This pattern highlights a cyclical relationship between sunshine and rainfall, essential for understanding the climate dynamics and agricultural potential of Pemba South.
Pemba South, Tanzania, experiences a notably high Ultraviolet (UV) Index throughout the year, particularly in the first half. In January, February, and March, the UV Index reaches 14, categorized as extreme, with a burn time of merely 10 minutes. This extreme exposure underscores the necessity for sun protection for residents and visitors alike, as even brief sun exposure can lead to skin damage. April maintains a high UV Index of 14, while May slightly lowers to 12, still demanding caution against sun exposure.
As the year progresses into the second half, the UV Index tends to stabilize but remains significantly elevated. The months of June and July report a UV Index of 10 and 11, categorized as very high to extreme, allowing for a 15-minute burn time in June. From August through December, the UV Index consistently registers 13, ensuring risks of skin damage remain high with a burn time of 10 minutes. This sustained exposure throughout the dry season accentuates the importance of sun safety practices year-round in Pemba South, contributing crucially to public health awareness.
UV Risk Categories
In Pemba South, Tanzania, daylight duration remains relatively consistent throughout the year, reflecting its equatorial location. The first three months—January, February, and March—each boast about 12 hours of daylight, providing ample opportunity for outdoor activities and agriculture. This stable daylight duration fosters a thriving atmosphere, ideal for both ecological systems and the local community. As the year progresses into April, daylight gradually decreases to 11 hours, a trend that continues through to August, which suggests a subtle shift in the season despite the predominantly warm climate.
From September onward, daylight duration begins to recover, returning to 12 hours for the remaining months of the year. This seasonal cycle highlights how Pemba South maintains a balance in daylight exposure, which is essential for local flora and fauna, as well as agriculture. The relatively even distribution of daylight allows for sustained productivity, while the minor fluctuations in hours emphasize the region's unique climatic characteristics. Such consistency positions Pemba South as a region that enjoys significant sunlight across the year, enhancing its agricultural viability and scenic beauty.
Chake Chake, Tanzania, experiences a tropical climate with warm temperatures year-round. Average monthly temperatures range from 25°C (77°F) in June and July to 28°C (82°F) in March and April, with maximums peaking at 30°C (86°F) in March. Rainfall is notable, particularly from April to May, when monthly totals can exceed 384 mm (15.1 in). Despite the rainy season, sunshine is abundant, with hours peaking in August at 350 hours. For more details, visit Chake Chake climate.
Mtambile, Tanzania enjoys a warm tropical climate characterized by consistent temperatures throughout the year, with average monthly highs ranging from 25°C (78°F) in July and August to 30°C (86°F) in February and March. Precipitation peaks significantly during the long rainy season from April to May, accounting for the majority of the annual rainfall, while the drier months experience considerably less rain. The region also boasts abundant sunshine, particularly from August to October, making it a vibrant place for outdoor activities. For more details, visit Mtambile climate.
Uwelini, Tanzania experiences a tropical climate characterized by warm temperatures and pronounced wet and dry seasons. Average temperatures range from a minimum of 23°C (73°F) in the cooler months to a maximum of 30°C (86°F) during the warmest periods. The region sees significant rainfall, particularly in April and May, with monthly precipitation peaking at around 392 mm (15.4 in). On the other hand, sunshine is abundant throughout the year, reaching a high of 361 hours in December. For more detailed information, visit Uwelini climate.
In conclusion, Pemba South, Tanzania, showcases a remarkable climate characterized by warm temperatures, substantial rainfall, and consistent daylight hours throughout the year. With an average temperature range that fosters a tropical environment, the region experiences pronounced seasonal shifts, particularly in precipitation, which peaks during the rainy months of April and May. The notable high UV Index highlights the importance of sun protection year-round, especially during the extreme exposure months of January through March. Coupled with a relatively stable daylight duration, these climatic factors not only support diverse ecosystems but also create a conducive environment for agricultural pursuits. Understanding these climatic patterns is essential for sustainability and health in this vibrant region, guiding efforts to adapt to its unique environmental conditions.