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Monthly climate in Winneba, Ghana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Winneba features a tropical savanna climate (Aw). Temperatures typically range between 24 °C (75 °F) and 28 °C (82 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 945 mm (37.2 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually. Winneba enjoys an average of 3645 hours of sunshine throughout the year, and daylight varies from 11 hours 48 minutes to 12 hours 24 minutes per day.

Monthly average temperatures in Winneba, Ghana

The warmest months in Winneba are March, April and December, with daily mean temperatures ranging from 27 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 24 to 25 °C (75 - 77 °F) throughout the day. On average each year, Winneba experiences 279 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 Winneba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		28°C
(83°F)		27°C
(80°F)		26°C
(79°F)		27°C
(80°F)		28°C
(82°F)		29°C
(85°F)		29°C
(85°F)
Mean maximum28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		26°C
(79°F)		25°C
(77°F)		26°C
(79°F)		28°C
(82°F)		29°C
(84°F)		29°C
(84°F)
Average high28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		27°C
(80°F)		25°C
(77°F)		24°C
(76°F)		25°C
(78°F)		27°C
(80°F)		28°C
(82°F)		28°C
(83°F)
Daily mean27°C
(81°F)		27°C
(82°F)		27°C
(82°F)		28°C
(82°F)		27°C
(81°F)		26°C
(79°F)		25°C
(77°F)		24°C
(75°F)		25°C
(77°F)		26°C
(79°F)		27°C
(81°F)		27°C
(82°F)
Average low26°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		26°C
(80°F)		25°C
(78°F)		24°C
(76°F)		24°C
(75°F)		24°C
(76°F)		25°C
(78°F)		26°C
(80°F)		27°C
(80°F)
Mean minimum25°C
(78°F)		26°C
(79°F)		25°C
(78°F)		26°C
(78°F)		25°C
(78°F)		25°C
(76°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)
Minimum25°C
(77°F)		25°C
(78°F)		25°C
(77°F)		25°C
(78°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		23°C
(73°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)

Compare climate in Winneba with other places

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

Monthly average precipitation in Winneba, Ghana

Winneba usually has the most precipitation in May, June and October, with an average of 23 rainy days and 169 mm (6.7 inches) of precipitation per month. The driest months in Winneba 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 Winneba. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)12 (0.5)28 (1.1)41 (1.6)49 (1.9)166 (6.5)234 (9.2)99 (3.9)35 (1.4)79 (3.1)108 (4.3)62 (2.4)32 (1.3)
Average precipitation days (≥ 1 mm)371113222514614221812

Monthly sunshine hours in Winneba, Ghana

The sunniest months in Winneba are July, August and December, when the sun shines an average of 10 hours 20 minutes a day. Least sunny months in Winneba: January, February and June receive an average of 9 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Winneba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours258285314312309269317321305313314322
Mean daily daylight hours11h 50m11h 56m12h 4m12h 13m12h 21m12h 24m12h 22m12h 16m12h 7m11h 59m11h 51m11h 48m

Solar UV radiation in Winneba, Ghana

Winneba experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 12 - 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 Winneba UV Index data.

Average daily maximum UV levels by month for Winneba. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111214131211121212109