Last updated: January 18, 2025
Kisii, Kenya, is characterized by a tropical rainforest climate, classified as Af under the Köppen-Geiger system. The region experiences a minimum temperature of approximately 10°C (51°F) in January, gradually rising to an average of 20°C (68°F). The warmest month is March, where temperatures can peak at around 32°C (90°F). This consistent warmth, combined with significant rainfall throughout the year, fosters lush vegetation and biodiversity, making Kisii a vital ecological zone.
In Kisii, Kenya, temperature patterns exhibit a moderate range throughout the year, with the warmest months typically being February and March, where maximum temperatures reach up to 32°C (89°F) and 32°C (90°F), respectively. The transition into the cooler months begins in April, as temperatures gradually decline, revealing a minimum of 14°C (58°F) and a slight dip in average temperatures to 20°C (68°F). From June to August, the region experiences consistently lower temperatures, with minimums averaging around 12-14°C (54-57°F) and maximums remaining steady at 28-29°C (82-84°F). As the year progresses into October and November, temperatures stabilize around 30°C (86°F) at their peak, before concluding the year with cooler averages and comfortable conditions in December, where the climate returns to a mild state similar to earlier months. This seasonal cycle contributes to an overall pleasant climate conducive to the diverse ecosystems found in the region.
Kisii, Kenya, experiences a distinct rainy season characterized by significant precipitation, particularly from March to November. March marks the onset of the heavier rains with 204 mm (8.0 in) falling over 20 days, escalating to 264 mm (10.4 in) in April, the wettest month of the year. This peak is followed by substantial rainfall in May at 212 mm (8.3 in), indicating a robust wet season that supports the region’s lush vegetation. The remnants of this wet period linger through October and November, where precipitation averages 191 mm (7.5 in) and 246 mm (9.7 in), respectively, contributing to Kisii’s rich biodiversity.
In contrast, the dry months from June to August witness a marked decrease in rainfall, with precipitation levels dropping significantly to 96 mm (3.8 in), 66 mm (2.6 in), and 88 mm (3.5 in) respectively. This period records fewer rainy days, with July being notably dry, only receiving rain on 12 days. As the year progresses towards September, rainfall begins to increase once more, leading into the second wet season. Ultimately, the precipitation patterns in Kisii reveal a strikingly vibrant climate that supports a variety of ecosystems while highlighting the importance of seasonal rains for agriculture and local livelihoods.
Kisii, Kenya, experiences a remarkable variation in sunshine duration throughout the year, with notable peaks during the mid-year months. March stands out as the month with the highest sunshine, boasting an impressive 332 hours of radiant sunlight, closely followed by July and August, which provide an even sunnier experience with 336 and 339 hours respectively. This period not only marks the heart of the dry season but also reflects a seasonal transition where the sun consistently shines, fostering a bright atmosphere conducive to agricultural activities and outdoor pursuits.
As the year progresses towards the end of the wet season in April, Kisii maintains a robust sunshine duration at 302 hours, before settling into a gentle decline through the late months with a slight decrease to 320 hours in November. Interestingly, while January and February also show favorable sunshine hours, averaging around 276 and 305 hours, it is during the mid-year that Kisii truly shines its brightest. The consistent pattern of fluctuating sunshine reveals an essential relationship between sunlight and the region's climate, marking the cycles of growth and vitality in this lush area of Kenya.
Kisii, Kenya, experiences exceptionally high UV Index levels throughout the year, with the Index frequently reaching extreme values. The months of January, February, and March are particularly intense, boasting a UV Index of 16, which necessitates strict sun protection measures within just 10 minutes of exposure to avoid harmful effects. As the wet season progresses into April and May, the UV Index remains notably high at 15 and 14, respectively, cementing the region's position as one of the areas with the most significant solar exposure and culminating in a consistent need for caution against UV radiation.
Moving into the dry winter months, the UV Index slightly decreases but remains within the extreme category. June and July record a UV Index of 12, still demanding vigilant sun safety practices. As the year closes towards December, the Index levels stabilize around 13. Despite the reduction in UV exposure from June through November, residents and visitors in Kisii should maintain protective habits, including the use of sunscreen and appropriate clothing, to mitigate health risks associated with prolonged sun exposure. The high UV readings signal the importance of awareness and preventive measures throughout the year in this vibrant region.
UV Risk Categories
Kisii, Kenya, enjoys a remarkably consistent pattern of daylight duration throughout the year, with each month providing a steady 12 hours of sunlight. This uniformity is hallmark of equatorial regions, where the tilt of the Earth has minimal impact on day length. As such, residents and visitors can expect nearly equal periods of daylight and darkness, promoting a balanced rhythm of daily activities year-round.
This consistency in daylight allows for diverse opportunities in agriculture, outdoor recreation, and cultural events, unimpeded by seasonal variations in sunlight. The 12-hour daylight period not only facilitates regular agricultural cycles but also supports the region's vibrant ecosystems, which thrive under consistent light conditions. The predictable nature of daylight duration in Kisii enhances community planning and daily life, fostering a stable environment for both humans and wildlife alike.
Kisii, Kenya experiences a temperate climate with monthly temperatures ranging from a minimum of 10°C (51°F) in January to a maximum of 32°C (90°F) in March. Average temperatures hover around 20°C (68°F) throughout the year, with rainfall peaking in April at 264 mm (10.4 in) and more moderate precipitation during the cooler months. The area enjoys substantial sunshine, particularly in August with 339 hours, contributing to its lush landscapes. For more detailed information, visit Kisii climate.
Ogembo, Kenya experiences a temperate climate characterized by mild temperatures and significant rainfall throughout the year. Average monthly temperatures range from a minimum of 10°C (51°F) in January to a maximum of 32°C (89°F) in February and March. The region sees its heaviest precipitation in April with 264 mm (10.4 in) and November with 246 mm (9.7 in), while the drier months are June and July with 96 mm (3.8 in) and 66 mm (2.6 in) respectively. Sunshine is abundant, particularly in July and August, offering over 330 hours each month. For more detailed information, visit Ogembo climate.
In conclusion, Kisii, Kenya, exemplifies a unique climate characterized by its stable temperature ranges, significant rainfall, high UV Index, consistent daylight duration, and abundant sunshine. The region’s climates foster rich biodiversity and agriculture, supported by annual precipitation and ample sunlight, which are critical for local livelihoods. As residents navigate the extreme UV exposure and the demands of their environment, the predictability of daylight hours ensures a balanced lifestyle throughout the year. Overall, Kisii stands as a vital ecological and cultural hub, relying on its climatic patterns to sustain both human life and the diverse ecosystems that thrive within this lush landscape.