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Monthly climate in Kisii, Kenya

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kisii features a tropical rainforest climate (Af). Temperatures typically range between 19 °C (67 °F) and 21 °C (70 °F) through the year, but rarely can drop to 10 °C (51 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 1916 mm (75.4 inches) and receives 214 rainy days on the 1 mm (0.04 inches) threshold annually. Kisii enjoys an average of 3856 hours of sunshine throughout the year, and daylight varies from 12 hours 4 minutes to 12 hours 9 minutes per day.

Monthly average temperatures in Kisii, Kenya

The warmest months in Kisii are February, March and April, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 19 to 20 °C (67 - 67 °F) throughout the day. On average each year, Kisii experiences 232 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kisii. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(87°F)		32°C
(89°F)		32°C
(90°F)		31°C
(89°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		29°C
(84°F)		29°C
(85°F)		30°C
(85°F)		30°C
(87°F)		29°C
(84°F)
Mean maximum29°C
(84°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		27°C
(82°F)		27°C
(80°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		29°C
(84°F)		28°C
(83°F)		28°C
(82°F)
Average high26°C
(79°F)		27°C
(81°F)		27°C
(81°F)		26°C
(79°F)		26°C
(78°F)		25°C
(77°F)		25°C
(77°F)		26°C
(78°F)		26°C
(79°F)		26°C
(80°F)		26°C
(79°F)		25°C
(78°F)
Daily mean20°C
(68°F)		21°C
(70°F)		21°C
(69°F)		20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		19°C
(67°F)		20°C
(67°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)
Average low15°C
(59°F)		16°C
(61°F)		16°C
(60°F)		16°C
(61°F)		16°C
(61°F)		15°C
(60°F)		15°C
(59°F)		15°C
(59°F)		15°C
(60°F)		16°C
(61°F)		15°C
(60°F)		15°C
(60°F)
Mean minimum13°C
(55°F)		13°C
(56°F)		14°C
(58°F)		14°C
(58°F)		15°C
(59°F)		14°C
(57°F)		13°C
(55°F)		13°C
(56°F)		14°C
(57°F)		14°C
(58°F)		14°C
(57°F)		14°C
(57°F)
Minimum10°C
(51°F)		12°C
(54°F)		13°C
(56°F)		14°C
(58°F)		14°C
(57°F)		13°C
(55°F)		12°C
(54°F)		12°C
(54°F)		13°C
(56°F)		14°C
(57°F)		13°C
(56°F)		13°C
(56°F)

Compare climate in Kisii with other places

Compare temperature, precipitation, sunshine, UV index in Kisii, Kenya with other places around the world.

Monthly average precipitation in Kisii, Kenya

Kisii usually has the most precipitation in April, May and November, with an average of 22 rainy days and 241 mm (9.5 inches) of precipitation per month. The driest months in Kisii are June, July and August. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kisii. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)105 (4.2)112 (4.4)204 (8.0)264 (10.4)212 (8.3)96 (3.8)66 (2.6)88 (3.5)122 (4.8)191 (7.5)246 (9.7)208 (8.2)
Average precipitation days (≥ 1 mm)121420232315121516212122

Monthly sunshine hours in Kisii, Kenya

The sunniest months in Kisii are July, August and December, when the sun shines an average of 10 hours 51 minutes a day. Least sunny months in Kisii: January, February and April receive an average of 9 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kisii. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours275305332301329323336339331328319334
Mean daily daylight hours12h 8m12h 7m12h 5m12h 4m12h 4m12h 4m12h 4m12h 4m12h 5m12h 6m12h 8m12h 9m

Solar UV radiation in Kisii, Kenya

Kisii experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. June, July and November are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Kisii UV Index data.

Average daily maximum UV levels by month for Kisii. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151616151412121314141313