Kumasi climate

Name: Kumasi
Address: GH

Kumasi is warmest in February, with average highs of 34 °C, and coldest in August, when nights average 22 °C. September is the wettest month (141 mm) and January the driest (20 mm). Figures are 1991–2020 climate normals.

Across a full year Kumasi averages 1,080 mm of rain and 361 days above 25 °C.

Ghana · population 2,544,530 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month February 34 °C
Coldest month August 22 °C
Driest month January 20 mm
Wettest month September 141 mm
Least cloud January 49 % cloud
Hottest on record February 39 °C
Coldest on record January 17 °C

What to expectKumasi through the year

Kumasi has a clear annual cycle: average daily highs run from 28 °C in August to 34 °C in February, a swing of 3.8 °C in mean temperature across the year.

Counted across a normal year, 361 days a year reach 25 °C, 179 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in February.

Rain is strongly seasonal. September averages 141 mm against 20 mm in January — 7.0 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	32.9 °C	20 mm	49 %
February	33.7 °C	41 mm	59 %
March	32.7 °C	104 mm	73 %
April	31.8 °C	107 mm	79 %
May	30.6 °C	115 mm	82 %
June	28.7 °C	137 mm	84 %
July	27.7 °C	110 mm	87 %
August	27.7 °C	97 mm	88 %
September	28.2 °C	141 mm	85 %
October	28.8 °C	122 mm	77 %
November	29.8 °C	59 mm	64 %
December	31.3 °C	25 mm	51 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	32.9 °C	22.4 °C	27.1 °C	37.1 °C	17.3 °C	31	29
February	33.7 °C	23.5 °C	27.8 °C	38.6 °C	18.2 °C	28	28
March	32.7 °C	23.7 °C	27.3 °C	38.2 °C	19.5 °C	31	30
April	31.8 °C	23.7 °C	26.8 °C	35.7 °C	21.7 °C	30	27
May	30.6 °C	23.3 °C	26.1 °C	34.4 °C	21.3 °C	31	22
June	28.7 °C	22.4 °C	24.7 °C	32.6 °C	20.3 °C	30	4
July	27.7 °C	21.7 °C	24.0 °C	30.6 °C	18.9 °C	30	0
August	27.7 °C	21.6 °C	24.1 °C	30.9 °C	18.8 °C	30	0
September	28.2 °C	21.9 °C	24.3 °C	31.4 °C	20.8 °C	29	1
October	28.8 °C	22.2 °C	24.7 °C	31.8 °C	20.8 °C	31	3
November	29.8 °C	22.2 °C	25.4 °C	34.1 °C	19.7 °C	30	11
December	31.3 °C	22.3 °C	26.2 °C	35.1 °C	17.7 °C	31	25

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	20 mm	4	12 h/day	49 %	62 %	11 km/h
February	41 mm	8	12 h/day	59 %	67 %	13 km/h
March	104 mm	17	12 h/day	73 %	75 %	13 km/h
April	107 mm	18	12 h/day	79 %	79 %	13 km/h
May	115 mm	20	12 h/day	82 %	82 %	12 km/h
June	137 mm	22	13 h/day	84 %	84 %	12 km/h
July	110 mm	19	12 h/day	87 %	83 %	13 km/h
August	97 mm	18	12 h/day	88 %	82 %	13 km/h
September	141 mm	24	12 h/day	85 %	84 %	11 km/h
October	122 mm	21	12 h/day	77 %	85 %	9.9 km/h
November	59 mm	12	12 h/day	64 %	82 %	9.8 km/h
December	25 mm	5	12 h/day	51 %	73 %	9.9 km/h

Planning a trip? See the best time to visit Kumasi.

QuestionsCommon questions about Kumasi’s climate

When is the best time to visit Kumasi?

That depends on what you want, so the honest answer is a comparison rather than a single month. July, August, September sit closest to 20 °C on average, February is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does Kumasi get?

In February, the warmest month, daily highs average 34 °C. About 179 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

Nights average 22 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Kumasi?

September, averaging 141 mm over 24 days with rain. The driest month is January with 20 mm. The year as a whole averages 1,080 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Kumasi rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.