Last updated: January 18, 2025
Siaya, Kenya experiences a tropical rainforest climate (Köppen-Geiger Af) characterized by consistently warm temperatures throughout the year. The region's minimum temperature hovers around 14°C (58°F) in January, while averages are approximately 23°C (73°F). The peak warmth occurs in February, with temperatures reaching a maximum of 34°C (94°F). Additionally, this climate is marked by high humidity levels and significant rainfall, contributing to the lush greenery prevalent in this part of East Africa.
In Siaya, Kenya, temperature patterns reveal a distinct seasonal trend characterized by mild variations throughout the year. January marks the warmest month, with maximum temperatures reaching 34°C (94°F), gradually cooling slightly into the subsequent months, staying stable around 32°C (90°F) in April and oscillating between 29°C (84°F) and 30°C (87°F) from July to October. The cooler months of June through August maintain average temperatures around 22°C (72°F), while nights hover around 15°C (59°F) to 16°C (61°F), providing a respite from daytime warmth. Toward the end of the year, a slight increase in temperature is noted again in December, with maximums returning to 32°C (90°F), suggesting a cyclical climate that remains consistently warm yet comfortable year-round.
In Siaya, temperatures range from a minimum of 17°C (63°F) in July to a maximum of 33°C (91°F) in March, as detailed in the monthly temperatures in Siaya. Yala experiences a similar pattern, with minimum temperatures of 17°C (64°F) in August and maximums reaching 33°C (91°F) in March, described in the monthly temperatures in Yala. Conversely, Bondo records a lower minimum of 14°C (58°F) in January and a higher maximum of 34°C (94°F) in February, as specified in the monthly temperatures in Bondo.
Siaya, Kenya, experiences a pronounced rainy season, particularly from March through May, where precipitation levels peak significantly. March and April are notably the wettest months, recording 220 mm (8.7 in) and 291 mm (11.5 in) respectively, with rainfall occurring on an average of 23 to 26 days. This period contributes to the lush landscapes characteristic of the region, fostering a vibrant ecosystem. Following this surge, May maintains substantial rainfall at 278 mm (11.0 in), with 29 days of precipitation, before gradually tapering off as the region enters the drier months of June and July.
The latter half of the year still witnesses significant rainfall, particularly in the months of October and November, where rainfall amounts are 251 mm (9.9 in) and 217 mm (8.6 in) respectively. Even though precipitation remains noteworthy, the number of rainy days in these months averages around 25 to 28 days, contributing to the consistency of damp conditions. In contrast, January and February herald the year with lighter rainfall, each receiving approximately 110 mm (4.3 in) and 107 mm (4.2 in). Overall, Siaya's climate is characterized by a vibrant wet season, vital for agriculture and local water supply, with fluctuating precipitation patterns throughout the year.
Siaya, Kenya, enjoys a significant amount of sunshine throughout the year, with a noticeable seasonal variation that peaks in the latter part of the year. December stands out as the month with the highest sunshine duration, recording 345 hours, while March also shines brightly with 333 hours. The initial months of the year, particularly January and February, experience a gradual increase in sunshine hours, culminating in the highest sunlight levels around March. This progressive rise is attributed to the transition from the wet season into the drier months, allowing for clearer skies and abundant sunlight.
As the year progresses into the second half, sunshine remains consistently high, with July and August showcasing impressive totals of 334 hours and 338 hours, respectively. This period maintains a delightful balance between warm temperatures and extended daylight, ideal for agricultural activities and outdoor endeavors. However, as December approaches, the declining rainfall patterns combined with extended sunshine hours create an inviting environment, resulting in yet another peak in sunlight before entering the new year. Overall, Siaya's sunny disposition throughout the year enhances both the ecological landscape and the well-being of its inhabitants.
In Siaya, Kenya, the ultraviolet (UV) index consistently reaches extreme levels throughout the year, emphasizing the need for protective measures against harmful sun exposure. The highest recorded UV Index occurs in March, peaking at 16, closely followed by February at 15. During this period, the burn time is critically low at just 10 minutes, underscoring the urgency for individuals to limit their sun exposure or use adequate sun protection. Even in the months with slightly lower values, such as June and December, with UV Index ratings of 11 and 12 respectively, the exposure category remains extreme, highlighting a prevailing risk of skin damage.
The persistent high UV Index in Siaya reflects its equatorial location, resulting in stronger sun rays year-round. Other months such as April, May, and August maintain a notably high index around 13 to 15, emphasizing that protective clothing, sunscreen, and shade are essential during outdoor activities. With a burn time consistently set at 10 minutes, residents and visitors alike should remain vigilant throughout all seasons, prioritizing safety to reduce the risks associated with prolonged sun exposure.
UV Risk Categories
In Siaya, Kenya, daylight duration remains remarkably consistent throughout the year, with each month providing an equal span of 12 hours of daylight. This uniformity is a characteristic feature of regions located near the equator, where the tilt of the Earth has a minimal effect on the length of day and night. Residents and visitors can reliably expect daylight hours to be evenly split between day and night, fostering a stable rhythm for both agricultural practices and daily activities.
The constant daylight duration contributes to the region's agricultural productivity, as crops benefit from predictable sunlight exposure essential for growth. With 12 hours of daylight across all months, Siaya's inhabitants can plan their routines without concern for significant seasonal variations in available sunlight. This reliability enhances the lifestyle in Siaya, promoting outdoor activities and strengthening the connection between the community and its vibrant, sunlit environment.
Bondo, Kenya experiences a tropical climate characterized by warm temperatures and significant rainfall, particularly from March to May, where monthly precipitation peaks at 290 mm. Average temperatures range from a minimum of 14°C (58°F) in January to a maximum of 34°C (94°F) during the hottest months of January, February, and March. The area enjoys ample sunshine throughout the year, particularly in August with 336 hours. Despite the rainy season, Bondo maintains a warm climate, making it conducive for various agricultural activities. For more detailed climate information, visit Bondo climate.
Siaya, Kenya experiences a warm equatorial climate characterized by distinct wet and dry seasons. Average temperatures range from a minimum of 17°C (63°F) in the cooler months to a maximum of 33°C (91°F) during the hotter periods, particularly from January to March. Precipitation peaks in April and May, with over 280 mm (11 in) of rain, while the sun shines abundantly, especially in the months of July and August, with approximately 336 to 339 hours of sunshine. This climate supports diverse agricultural practices in the region. For more detailed information, visit Siaya climate.
Yala, Kenya experiences a tropical climate with temperatures ranging from an average low of 17°C (64°F) in August to a high of 33°C (91°F) in February and March. The area sees significant rainfall, particularly from March to April, with April recording the highest precipitation at 307 mm (12.1 in). Despite the rain, Yala enjoys ample sunshine, especially in July and August, with over 330 hours of sunshine each month. The combination of warm temperatures, heavy rainfall, and abundant sunshine contributes to a lush environment, ideal for agriculture. For more detailed information, visit Yala climate.
In conclusion, Siaya, Kenya, presents a unique climatic environment characterized by tropical temperatures, consistent sunlight, and extreme UV exposure throughout the year. The region experiences significant rainfall patterns that support lush vegetation, accompanied by a reliable 12-hour daylight duration, fostering an ecosystem primed for agricultural productivity. This climatic stability not only enhances the quality of life for residents but also poses challenges, particularly regarding sun safety due to high UV levels. As the effects of climate change continue to evolve, understanding and adapting to these environmental characteristics will be crucial for sustaining Siaya's rich natural resources and ensuring the well-being of its community.