nomadseason

Monthly climate in Wa, Ghana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Wa features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 32 °C (89 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 1003 mm (39.5 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually. Wa enjoys an average of 3640 hours of sunshine throughout the year, and daylight varies from 11 hours 32 minutes to 12 hours 41 minutes per day.

Monthly average temperatures in Wa, Ghana

The warmest months in Wa are February, March and April, with daily mean temperatures ranging from 30 to 32 °C (86 - 89 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Wa 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 Wa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(100°F)		39°C
(103°F)		40°C
(105°F)		41°C
(106°F)		38°C
(101°F)		36°C
(97°F)		33°C
(92°F)		32°C
(90°F)		34°C
(94°F)		36°C
(98°F)		37°C
(99°F)		37°C
(99°F)
Mean maximum37°C
(98°F)		38°C
(102°F)		40°C
(104°F)		40°C
(104°F)		37°C
(99°F)		35°C
(95°F)		32°C
(90°F)		32°C
(89°F)		33°C
(92°F)		35°C
(95°F)		37°C
(98°F)		36°C
(98°F)
Average high35°C
(94°F)		36°C
(98°F)		38°C
(100°F)		36°C
(98°F)		34°C
(93°F)		31°C
(89°F)		29°C
(85°F)		29°C
(84°F)		30°C
(86°F)		32°C
(90°F)		35°C
(95°F)		35°C
(95°F)
Daily mean27°C
(81°F)		30°C
(86°F)		32°C
(89°F)		31°C
(88°F)		29°C
(85°F)		27°C
(82°F)		26°C
(79°F)		25°C
(78°F)		26°C
(79°F)		27°C
(81°F)		28°C
(83°F)		27°C
(81°F)
Average low21°C
(69°F)		23°C
(74°F)		26°C
(79°F)		26°C
(80°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		22°C
(72°F)		21°C
(69°F)
Mean minimum18°C
(65°F)		21°C
(69°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		21°C
(71°F)		22°C
(71°F)		21°C
(71°F)		21°C
(71°F)		21°C
(69°F)		20°C
(68°F)		19°C
(66°F)
Minimum16°C
(61°F)		19°C
(66°F)		22°C
(71°F)		22°C
(72°F)		22°C
(71°F)		21°C
(69°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		18°C
(65°F)		19°C
(67°F)		18°C
(64°F)

Compare climate in Wa with other places

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

Monthly average precipitation in Wa, Ghana

Wa usually has the most precipitation in July, August and September, with an average of 24 rainy days and 204 mm (8.0 inches) of precipitation per month. The driest months in Wa are January, November and December. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)7 (0.3)22 (0.9)56 (2.2)81 (3.2)109 (4.3)189 (7.4)243 (9.6)181 (7.1)108 (4.2)6 (0.3)0 (0.0)
Average precipitation days (≥ 1 mm)0061013162326231320

Monthly sunshine hours in Wa, Ghana

The sunniest months in Wa are May, November and December, when the sun shines an average of 10 hours 39 minutes a day. Least sunny months in Wa: January, August and September receive an average of 8 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours266293320315337309299274275305320322
Mean daily daylight hours11h 35m11h 47m12h 3m12h 20m12h 34m12h 41m12h 37m12h 25m12h 9m11h 52m11h 38m11h 32m

Solar UV radiation in Wa, Ghana

Wa 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 Wa UV Index data.

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