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Monthly climate in Kayao, Burkina Faso

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kayao features a hot semi-arid climate (BSh). Temperatures typically range between 26 °C (79 °F) and 33 °C (92 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 704 mm (27.7 inches) and receives 83 rainy days on the 1 mm (0.04 inches) threshold annually. Kayao enjoys an average of 3732 hours of sunshine throughout the year, and daylight varies from 11 hours 25 minutes to 12 hours 48 minutes per day.

Monthly average temperatures in Kayao, Burkina Faso

The warmest months in Kayao are March, April and May, with daily mean temperatures ranging from 32 to 33 °C (90 - 92 °F) throughout the day. The coldest temperatures usually occur in January, August and December, when daily mean temperatures range from 26 to 27 °C (79 - 80 °F) throughout the day. On average each year, Kayao experiences 329 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 Kayao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(102°F)		40°C
(103°F)		42°C
(107°F)		43°C
(110°F)		41°C
(107°F)		39°C
(103°F)		36°C
(97°F)		34°C
(94°F)		35°C
(95°F)		38°C
(100°F)		39°C
(102°F)		38°C
(100°F)
Mean maximum37°C
(98°F)		39°C
(102°F)		41°C
(106°F)		42°C
(108°F)		41°C
(105°F)		38°C
(100°F)		35°C
(95°F)		33°C
(91°F)		34°C
(94°F)		37°C
(99°F)		38°C
(100°F)		37°C
(98°F)
Average high33°C
(92°F)		36°C
(97°F)		39°C
(102°F)		39°C
(103°F)		37°C
(99°F)		34°C
(93°F)		31°C
(88°F)		30°C
(86°F)		31°C
(89°F)		34°C
(93°F)		36°C
(97°F)		34°C
(94°F)
Daily mean26°C
(79°F)		29°C
(84°F)		32°C
(90°F)		33°C
(92°F)		32°C
(90°F)		29°C
(85°F)		27°C
(81°F)		26°C
(80°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		27°C
(80°F)
Average low19°C
(67°F)		22°C
(72°F)		26°C
(78°F)		28°C
(83°F)		27°C
(82°F)		25°C
(78°F)		24°C
(75°F)		23°C
(74°F)		23°C
(75°F)		24°C
(75°F)		21°C
(70°F)		19°C
(67°F)
Mean minimum16°C
(62°F)		19°C
(66°F)		22°C
(72°F)		24°C
(76°F)		24°C
(76°F)		23°C
(73°F)		22°C
(72°F)		22°C
(71°F)		22°C
(72°F)		21°C
(70°F)		19°C
(66°F)		17°C
(63°F)
Minimum15°C
(59°F)		17°C
(63°F)		21°C
(69°F)		24°C
(75°F)		23°C
(74°F)		20°C
(69°F)		22°C
(71°F)		21°C
(71°F)		21°C
(71°F)		19°C
(66°F)		17°C
(64°F)		16°C
(61°F)

Compare climate in Kayao with other places

Compare temperature, precipitation, sunshine, UV index in Kayao, Burkina Faso with other places around the world.

Monthly average precipitation in Kayao, Burkina Faso

Kayao usually has the most precipitation in July, August and September, with an average of 19 rainy days and 178 mm (7.0 inches) of precipitation per month. The driest months in Kayao are January, November and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kayao. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)1 (0.1)2 (0.1)7 (0.3)31 (1.2)73 (2.9)132 (5.2)226 (8.9)175 (6.9)57 (2.3)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)0001510202415800

Monthly sunshine hours in Kayao, Burkina Faso

The sunniest months in Kayao are May, June and December, when the sun shines an average of 10 hours 45 minutes a day. Least sunny months in Kayao: January, February and August receive an average of 9 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kayao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours266296324320336325319272301323318327
Mean daily daylight hours11h 29m11h 44m12h 3m12h 23m12h 40m12h 48m12h 44m12h 29m12h 10m11h 50m11h 33m11h 25m

Solar UV radiation in Kayao, Burkina Faso

Kayao experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. February, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Kayao UV Index data.

Average daily maximum UV levels by month for Kayao. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)11111213121313141312109