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Monthly climate in Kumasi, Ghana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kumasi features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 29 °C (85 °F) through the year, but rarely can drop to 19 °C (66 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1247 mm (49.1 inches) and receives 196 rainy days on the 1 mm (0.04 inches) threshold annually. Kumasi enjoys an average of 3217 hours of sunshine throughout the year, and daylight varies from 11 hours 43 minutes to 12 hours 29 minutes per day.

Monthly average temperatures in Kumasi, Ghana

The warmest months in Kumasi are January, February and March, with daily mean temperatures ranging from 28 to 29 °C (83 - 85 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (78 - 78 °F) throughout the day. On average each year, Kumasi 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 Kumasi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(99°F)		38°C
(101°F)		38°C
(101°F)		36°C
(97°F)		35°C
(95°F)		34°C
(94°F)		32°C
(89°F)		32°C
(90°F)		33°C
(91°F)		33°C
(92°F)		34°C
(94°F)		36°C
(96°F)
Mean maximum36°C
(96°F)		37°C
(98°F)		36°C
(98°F)		35°C
(95°F)		34°C
(94°F)		33°C
(91°F)		31°C
(87°F)		31°C
(89°F)		32°C
(90°F)		32°C
(91°F)		33°C
(92°F)		34°C
(94°F)
Average high34°C
(93°F)		35°C
(95°F)		34°C
(93°F)		33°C
(91°F)		32°C
(90°F)		30°C
(86°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		30°C
(87°F)		31°C
(89°F)		32°C
(90°F)
Daily mean28°C
(83°F)		29°C
(85°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)
Average low23°C
(74°F)		25°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)
Mean minimum21°C
(69°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		22°C
(72°F)		22°C
(71°F)		22°C
(72°F)		21°C
(70°F)
Minimum19°C
(67°F)		21°C
(70°F)		22°C
(71°F)		22°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		19°C
(66°F)

Compare climate in Kumasi with other places

Compare temperature, precipitation, sunshine, UV index in Kumasi, Ghana with other places around the world.

Monthly average precipitation in Kumasi, Ghana

Kumasi usually has the most precipitation in July, September and October, with an average of 25 rainy days and 174 mm (6.8 inches) of precipitation per month. The driest months in Kumasi are January, February and December. On average, 24 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kumasi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)9 (0.3)41 (1.6)99 (3.9)96 (3.8)139 (5.5)137 (5.4)151 (5.9)102 (4.0)211 (8.3)159 (6.3)80 (3.2)24 (0.9)
Average precipitation days (≥ 1 mm)171817182324182625154

Monthly sunshine hours in Kumasi, Ghana

The sunniest months in Kumasi are April, May and December, when the sun shines an average of 9 hours 38 minutes a day. Least sunny months in Kumasi: January, August and September receive an average of 7 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kumasi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours245272288293295255246245228260287298
Mean daily daylight hours11h 46m11h 53m12h 4m12h 15m12h 24m12h 29m12h 27m12h 18m12h 8m11h 57m11h 48m11h 43m

Solar UV radiation in Kumasi, Ghana

Kumasi experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Kumasi UV Index data.

Average daily maximum UV levels by month for Kumasi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111214131312121312109