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Monthly climate in Bawku, Ghana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bawku features a tropical savanna climate (Aw). Temperatures typically range between 26 °C (80 °F) and 34 °C (93 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 691 mm (27.2 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually. Bawku enjoys an average of 3695 hours of sunshine throughout the year, and daylight varies from 11 hours 28 minutes to 12 hours 44 minutes per day.

Monthly average temperatures in Bawku, Ghana

The warmest months in Bawku are March, April and May, with daily mean temperatures ranging from 32 to 34 °C (89 - 93 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 26 to 27 °C (80 - 82 °F) throughout the day. On average each year, Bawku 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 Bawku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(102°F)		40°C
(104°F)		43°C
(109°F)		43°C
(109°F)		41°C
(105°F)		39°C
(102°F)		35°C
(96°F)		33°C
(91°F)		34°C
(94°F)		38°C
(100°F)		39°C
(103°F)		38°C
(100°F)
Mean maximum37°C
(99°F)		39°C
(103°F)		42°C
(108°F)		41°C
(107°F)		40°C
(104°F)		37°C
(99°F)		35°C
(94°F)		32°C
(91°F)		34°C
(93°F)		37°C
(98°F)		38°C
(101°F)		37°C
(99°F)
Average high34°C
(94°F)		37°C
(98°F)		39°C
(103°F)		39°C
(102°F)		36°C
(98°F)		33°C
(92°F)		31°C
(88°F)		30°C
(86°F)		31°C
(88°F)		34°C
(93°F)		36°C
(98°F)		35°C
(95°F)
Daily mean28°C
(82°F)		30°C
(86°F)		33°C
(92°F)		34°C
(93°F)		32°C
(89°F)		29°C
(85°F)		27°C
(82°F)		26°C
(80°F)		27°C
(81°F)		28°C
(83°F)		29°C
(85°F)		28°C
(82°F)
Average low21°C
(70°F)		24°C
(75°F)		27°C
(81°F)		28°C
(83°F)		27°C
(81°F)		25°C
(78°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		22°C
(73°F)		21°C
(69°F)
Mean minimum18°C
(65°F)		20°C
(69°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		20°C
(68°F)		19°C
(66°F)
Minimum16°C
(61°F)		19°C
(66°F)		21°C
(70°F)		23°C
(74°F)		24°C
(75°F)		22°C
(72°F)		23°C
(73°F)		22°C
(71°F)		22°C
(71°F)		20°C
(67°F)		19°C
(66°F)		18°C
(64°F)

Compare climate in Bawku with other places

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

Monthly average precipitation in Bawku, Ghana

Bawku usually has the most precipitation in July, August and September, with an average of 20 rainy days and 172 mm (6.8 inches) of precipitation per month. The driest months in Bawku 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 Bawku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)3 (0.1)4 (0.2)13 (0.5)39 (1.5)59 (2.3)124 (4.9)219 (8.6)172 (6.8)57 (2.2)1 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)001389202516800

Monthly sunshine hours in Bawku, Ghana

The sunniest months in Bawku are March, May and December, when the sun shines an average of 10 hours 37 minutes a day. Least sunny months in Bawku: January, August and September receive an average of 8 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bawku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours267296323320335314308269290318320329
Mean daily daylight hours11h 32m11h 46m12h 3m12h 21m12h 37m12h 44m12h 40m12h 27m12h 9m11h 51m11h 36m11h 28m

Solar UV radiation in Bawku, Ghana

Bawku 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 Bawku UV Index data.

Average daily maximum UV levels by month for Bawku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)11111213121313141412109