Between 1991 and 2023, the average monthly rainfall in Ghana reached its highest at nearly *** millimeters, in September. On the other hand, the lowest levels of precipitation were in January, at **** millimeters. Moreover, within the period of April and October, the most elevated levels of rain were registered. Overall, average monthly temperatures were higher between February and May.
The source explains that the monthly mean historical rainfall data can be mapped to show the baseline climate and seasonality by month, for specific years, and for rainfall.
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Climate Change Knowledge Portal. (March 18, 2025). Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters) [Graph]. In Statista. Retrieved June 27, 2025, from https://www.statista.com/statistics/1179259/average-monthly-rainfall-in-ghana/
Climate Change Knowledge Portal. "Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters)." Chart. March 18, 2025. Statista. Accessed June 27, 2025. https://www.statista.com/statistics/1179259/average-monthly-rainfall-in-ghana/
Climate Change Knowledge Portal. (2025). Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters). Statista. Statista Inc.. Accessed: June 27, 2025. https://www.statista.com/statistics/1179259/average-monthly-rainfall-in-ghana/
Climate Change Knowledge Portal. "Average Monthly Rainfall in Ghana from 1991 to 2023 (in Millimeters)." Statista, Statista Inc., 18 Mar 2025, https://www.statista.com/statistics/1179259/average-monthly-rainfall-in-ghana/
Climate Change Knowledge Portal, Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters) Statista, https://www.statista.com/statistics/1179259/average-monthly-rainfall-in-ghana/ (last visited June 27, 2025)
Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters) [Graph], Climate Change Knowledge Portal, March 18, 2025. [Online]. Available: https://www.statista.com/statistics/1179259/average-monthly-rainfall-in-ghana/