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Monthly climate in Kayes, Mali

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kayes features a hot semi-arid climate (BSh). Temperatures typically range between 27 °C (80 °F) and 37 °C (98 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 47 °C (116 °F). The average annual precipitation amounts to about 428 mm (16.9 inches) and receives 42 rainy days on the 1 mm (0.04 inches) threshold annually. Kayes enjoys an average of 3696 hours of sunshine throughout the year, and daylight varies from 11 hours 16 minutes to 12 hours 57 minutes per day.

Monthly average temperatures in Kayes, Mali

The warmest months in Kayes are April, May and June, with daily mean temperatures ranging from 35 to 37 °C (95 - 98 °F) throughout the day. The coldest temperatures usually occur in January, August and December, when daily mean temperatures range from 27 to 29 °C (80 - 85 °F) throughout the day. On average each year, Kayes 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 Kayes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(104°F)		42°C
(108°F)		46°C
(115°F)		46°C
(114°F)		47°C
(116°F)		46°C
(114°F)		40°C
(104°F)		40°C
(105°F)		38°C
(101°F)		41°C
(107°F)		40°C
(105°F)		40°C
(105°F)
Mean maximum38°C
(101°F)		41°C
(106°F)		44°C
(111°F)		45°C
(114°F)		46°C
(115°F)		43°C
(110°F)		38°C
(101°F)		37°C
(98°F)		36°C
(97°F)		40°C
(105°F)		40°C
(104°F)		39°C
(103°F)
Average high35°C
(95°F)		37°C
(99°F)		40°C
(104°F)		43°C
(109°F)		43°C
(109°F)		40°C
(104°F)		35°C
(95°F)		33°C
(92°F)		33°C
(92°F)		37°C
(99°F)		38°C
(100°F)		36°C
(96°F)
Daily mean27°C
(80°F)		29°C
(85°F)		33°C
(91°F)		36°C
(96°F)		37°C
(98°F)		35°C
(95°F)		31°C
(87°F)		29°C
(85°F)		29°C
(85°F)		31°C
(88°F)		30°C
(85°F)		27°C
(81°F)
Average low20°C
(68°F)		23°C
(73°F)		25°C
(78°F)		29°C
(84°F)		31°C
(88°F)		30°C
(87°F)		27°C
(81°F)		26°C
(78°F)		25°C
(78°F)		25°C
(78°F)		23°C
(73°F)		21°C
(69°F)
Mean minimum16°C
(62°F)		19°C
(66°F)		21°C
(70°F)		25°C
(77°F)		26°C
(79°F)		27°C
(80°F)		24°C
(75°F)		23°C
(75°F)		23°C
(74°F)		21°C
(70°F)		19°C
(66°F)		17°C
(63°F)
Minimum14°C
(58°F)		16°C
(61°F)		17°C
(63°F)		23°C
(73°F)		23°C
(74°F)		24°C
(76°F)		23°C
(73°F)		23°C
(74°F)		22°C
(72°F)		18°C
(65°F)		15°C
(60°F)		15°C
(60°F)

Compare climate in Kayes with other places

Compare temperature, precipitation, sunshine, UV index in Kayes, Mali with other places around the world.

Monthly average precipitation in Kayes, Mali

Kayes usually has the most precipitation in July, August and September, with an average of 12 rainy days and 129 mm (5.1 inches) of precipitation per month. The driest months in Kayes are January, March and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kayes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)0 (0.0)0 (0.0)1 (0.0)2 (0.1)19 (0.7)90 (3.5)174 (6.9)123 (4.9)19 (0.7)1 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)000003111411300

Monthly sunshine hours in Kayes, Mali

The sunniest months in Kayes are March, April and May, when the sun shines an average of 10 hours 56 minutes a day. Least sunny months in Kayes: January, February and August receive an average of 9 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kayes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours254286334328342322321288297314296309
Mean daily daylight hours11h 21m11h 39m12h 2m12h 27m12h 47m12h 57m12h 52m12h 34m12h 11m11h 47m11h 26m11h 16m

Solar UV radiation in Kayes, Mali

Kayes experiences the highest level of ultraviolet (UV) radiation in July, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, February and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Kayes UV Index data.

Average daily maximum UV levels by month for Kayes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)991212121313131312108