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.
The release date is the date of access.
Citation formats
Average monthly precipitation in Ghana from 1991-2023
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.
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Climate Change Knowledge Portal. (March 18, 2025). Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /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. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/1179259/average-monthly-rainfall-in-ghana/
Climate Change Knowledge Portal. (2025). Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/1179259/average-monthly-rainfall-in-ghana/
Climate Change Knowledge Portal. "Average Monthly Rainfall in Ghana from 1991 to 2023 (in Millimeters)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 18 Mar 2025, /statistics/1179259/average-monthly-rainfall-in-ghana/
Climate Change Knowledge Portal, Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters) ÌÇÐÄÆƽâ°æ, /statistics/1179259/average-monthly-rainfall-in-ghana/ (last visited July 20, 2026)
Average monthly rainfall in Ghana from 1991 to 2023 (in millimeters) [Graph], Climate Change Knowledge Portal, March 18, 2025. [Online]. Available: /statistics/1179259/average-monthly-rainfall-in-ghana/
