West Africa, bordering the Gulf of Guinea
238,533 sq km
Mean annual temperature has increased by 1.0 ̊C since 1960.
Annual rainfall in Ghana is highly variable over prolonged timescales, making long-term trends difficult to identify. Overall, rainfall decreased by an average of 2.4% per decade from 1960 to 2006.
The mean annual temperature is projected to increase by 1.0 ̊C to 3.0 ̊C by the 2060s, and 1.5 ̊C to 5.2 ̊C by the 2090s. The projected rate of warming is more rapid in the northern inland regions of Ghana than the coastal regions.
Projections of rainfall changes vary, with around half the models projecting increases and half projecting decreases. Seasonally, the projections tend towards decreases in January-June and increases in July-December.