The climate in Aberdare is characterized by mild summers and cool winters. The average temperature ranges from 7°C (45°F) in winter to 19°C (66°F) in summer. Rainfall is evenly distributed throughout the year, with the wettest months being November and December.
The climate in Aberdare is classified as temperate maritime. It has mild, damp summers with average temperatures ranging from 15°C (59°F) to 20°C (68°F). Winters are cool with average temperatures between 2°C (36°F) to 7°C (45°F). Rainfall is spread throughout the year, with October and December being the wettest months. The area also experiences some snowfall during the winter months.